/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_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:25:29,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:25:29,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:25:29,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:25:29,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:25:29,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:25:29,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:25:29,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:25:29,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:25:29,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:25:29,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:25:29,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:25:29,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:25:29,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:25:29,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:25:29,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:25:29,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:25:29,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:25:29,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:25:29,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:25:29,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:25:29,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:25:29,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:25:29,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:25:29,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:25:29,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:25:29,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:25:29,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:25:29,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:25:29,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:25:29,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:25:29,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:25:29,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:25:29,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:25:29,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:25:29,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:25:29,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:25:29,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:25:29,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:25:29,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:25:29,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:25:29,367 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 16:25:29,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:25:29,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:25:29,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:25:29,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:25:29,384 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:25:29,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:25:29,385 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:25:29,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:25:29,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:25:29,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:25:29,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:25:29,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:25:29,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:25:29,386 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:25:29,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:25:29,387 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:25:29,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:25:29,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:25:29,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:25:29,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:25:29,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:25:29,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:25:29,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:25:29,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:25:29,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:25:29,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:25:29,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:29,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:25:29,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:25:29,389 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 16:25:29,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:25:29,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:25:29,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:25:29,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:25:29,684 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:25:29,685 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-07-20 16:25:29,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f616691/6e827c679cff4d469ea50cfc487d1987/FLAGeda595f65 [2020-07-20 16:25:30,271 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:25:30,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-07-20 16:25:30,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f616691/6e827c679cff4d469ea50cfc487d1987/FLAGeda595f65 [2020-07-20 16:25:30,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f616691/6e827c679cff4d469ea50cfc487d1987 [2020-07-20 16:25:30,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:25:30,627 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:25:30,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:30,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:25:30,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:25:30,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:30" (1/1) ... [2020-07-20 16:25:30,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28503056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30, skipping insertion in model container [2020-07-20 16:25:30,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:30" (1/1) ... [2020-07-20 16:25:30,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:25:30,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:25:31,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:31,166 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:25:31,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:31,292 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:25:31,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31 WrapperNode [2020-07-20 16:25:31,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:31,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:25:31,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:25:31,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:25:31,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31" (1/1) ... [2020-07-20 16:25:31,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31" (1/1) ... [2020-07-20 16:25:31,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31" (1/1) ... [2020-07-20 16:25:31,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31" (1/1) ... [2020-07-20 16:25:31,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31" (1/1) ... [2020-07-20 16:25:31,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31" (1/1) ... [2020-07-20 16:25:31,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31" (1/1) ... [2020-07-20 16:25:31,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:25:31,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:25:31,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:25:31,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:25:31,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31" (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 16:25:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:25:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:25:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:25:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:25:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:25:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:25:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:25:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:25:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:25:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:25:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:25:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:25:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:25:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:25:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:25:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:25:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:25:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:25:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:25:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:25:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:25:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:25:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:25:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:25:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:25:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:25:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:25:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:25:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:25:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:25:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:25:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:25:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:25:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:25:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:25:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:25:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:25:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:25:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:25:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:25:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:25:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:25:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:25:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:25:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:25:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:25:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:25:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:25:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:25:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:25:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:25:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:25:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:25:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:25:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:25:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:25:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:25:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:25:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:25:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:25:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:25:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:25:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:25:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:25:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:25:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:25:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:25:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:25:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:25:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:25:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:25:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:25:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:25:32,641 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:25:32,641 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:25:32,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:32 BoogieIcfgContainer [2020-07-20 16:25:32,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:25:32,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:25:32,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:25:32,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:25:32,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:25:30" (1/3) ... [2020-07-20 16:25:32,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a46696d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:32, skipping insertion in model container [2020-07-20 16:25:32,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:31" (2/3) ... [2020-07-20 16:25:32,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a46696d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:32, skipping insertion in model container [2020-07-20 16:25:32,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:32" (3/3) ... [2020-07-20 16:25:32,655 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-07-20 16:25:32,666 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:25:32,674 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:25:32,689 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:25:32,712 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:25:32,712 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:25:32,712 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:25:32,713 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:25:32,713 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:25:32,713 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:25:32,713 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:25:32,713 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:25:32,737 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2020-07-20 16:25:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:25:32,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:32,748 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] [2020-07-20 16:25:32,749 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:32,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:32,754 INFO L82 PathProgramCache]: Analyzing trace with hash 182694304, now seen corresponding path program 1 times [2020-07-20 16:25:32,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:32,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413223957] [2020-07-20 16:25:32,761 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 16:25:33,247 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:33,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:33,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:25:33,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:33,292 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 16:25:33,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:33,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [413223957] [2020-07-20 16:25:33,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:33,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:25:33,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518174713] [2020-07-20 16:25:33,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:25:33,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:33,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:25:33,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:33,318 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2020-07-20 16:25:33,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:33,367 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2020-07-20 16:25:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:25:33,369 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:25:33,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:33,384 INFO L225 Difference]: With dead ends: 314 [2020-07-20 16:25:33,384 INFO L226 Difference]: Without dead ends: 157 [2020-07-20 16:25:33,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 16:25:33,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-20 16:25:33,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2020-07-20 16:25:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-20 16:25:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2020-07-20 16:25:33,461 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2020-07-20 16:25:33,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:33,462 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2020-07-20 16:25:33,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:25:33,463 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2020-07-20 16:25:33,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:25:33,472 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:33,473 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] [2020-07-20 16:25:33,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,687 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:33,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:33,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1720628684, now seen corresponding path program 1 times [2020-07-20 16:25:33,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:33,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008102140] [2020-07-20 16:25:33,690 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 16:25:34,133 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:34,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:34,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:25:34,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:34,179 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 16:25:34,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:34,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1008102140] [2020-07-20 16:25:34,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:34,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:34,180 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540013565] [2020-07-20 16:25:34,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:34,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:34,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:34,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:34,183 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 3 states. [2020-07-20 16:25:34,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:34,207 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2020-07-20 16:25:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:34,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:25:34,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:34,211 INFO L225 Difference]: With dead ends: 259 [2020-07-20 16:25:34,211 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 16:25:34,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 16:25:34,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 16:25:34,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 16:25:34,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 16:25:34,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2020-07-20 16:25:34,229 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2020-07-20 16:25:34,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:34,230 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2020-07-20 16:25:34,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2020-07-20 16:25:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:25:34,232 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:34,232 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 16:25:34,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,448 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:34,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:34,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1588538268, now seen corresponding path program 1 times [2020-07-20 16:25:34,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:34,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808058564] [2020-07-20 16:25:34,451 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 16:25:34,867 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:34,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:34,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:25:34,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:34,901 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 16:25:34,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:34,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808058564] [2020-07-20 16:25:34,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:34,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:34,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997094004] [2020-07-20 16:25:34,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:34,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:34,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:34,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:34,904 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 3 states. [2020-07-20 16:25:34,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:34,930 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2020-07-20 16:25:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:34,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:25:34,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:34,933 INFO L225 Difference]: With dead ends: 272 [2020-07-20 16:25:34,933 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 16:25:34,935 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 16:25:34,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 16:25:34,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 16:25:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 16:25:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2020-07-20 16:25:34,951 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2020-07-20 16:25:34,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:34,951 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2020-07-20 16:25:34,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:34,952 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2020-07-20 16:25:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 16:25:34,954 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:34,954 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, 1, 1] [2020-07-20 16:25:35,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:35,171 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:35,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:35,172 INFO L82 PathProgramCache]: Analyzing trace with hash 265767055, now seen corresponding path program 1 times [2020-07-20 16:25:35,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:35,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980085085] [2020-07-20 16:25:35,173 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 16:25:35,517 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:35,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:35,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:25:35,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:35,575 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 16:25:35,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:35,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980085085] [2020-07-20 16:25:35,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:35,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:35,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468952287] [2020-07-20 16:25:35,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:35,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:35,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:35,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:35,578 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 6 states. [2020-07-20 16:25:36,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:36,344 INFO L93 Difference]: Finished difference Result 371 states and 446 transitions. [2020-07-20 16:25:36,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:25:36,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 16:25:36,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:36,348 INFO L225 Difference]: With dead ends: 371 [2020-07-20 16:25:36,349 INFO L226 Difference]: Without dead ends: 247 [2020-07-20 16:25:36,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:36,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-07-20 16:25:36,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 231. [2020-07-20 16:25:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-07-20 16:25:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 257 transitions. [2020-07-20 16:25:36,404 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 257 transitions. Word has length 70 [2020-07-20 16:25:36,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:36,405 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 257 transitions. [2020-07-20 16:25:36,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 257 transitions. [2020-07-20 16:25:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 16:25:36,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:36,407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:36,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:36,608 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:36,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:36,609 INFO L82 PathProgramCache]: Analyzing trace with hash 990610989, now seen corresponding path program 1 times [2020-07-20 16:25:36,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:36,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400695590] [2020-07-20 16:25:36,610 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 16:25:37,084 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:37,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:37,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:25:37,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:37,165 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 16:25:37,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:37,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400695590] [2020-07-20 16:25:37,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:37,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:37,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34362149] [2020-07-20 16:25:37,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:37,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:37,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:37,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:37,171 INFO L87 Difference]: Start difference. First operand 231 states and 257 transitions. Second operand 6 states. [2020-07-20 16:25:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:37,475 INFO L93 Difference]: Finished difference Result 570 states and 665 transitions. [2020-07-20 16:25:37,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:37,476 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-20 16:25:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:37,481 INFO L225 Difference]: With dead ends: 570 [2020-07-20 16:25:37,481 INFO L226 Difference]: Without dead ends: 363 [2020-07-20 16:25:37,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 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 16:25:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-07-20 16:25:37,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2020-07-20 16:25:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-07-20 16:25:37,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 420 transitions. [2020-07-20 16:25:37,520 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 420 transitions. Word has length 84 [2020-07-20 16:25:37,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:37,520 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 420 transitions. [2020-07-20 16:25:37,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 420 transitions. [2020-07-20 16:25:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 16:25:37,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:37,523 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:37,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:37,737 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:37,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:37,738 INFO L82 PathProgramCache]: Analyzing trace with hash 2008036261, now seen corresponding path program 1 times [2020-07-20 16:25:37,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:37,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603859386] [2020-07-20 16:25:37,740 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 16:25:38,079 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:38,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:38,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:38,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-20 16:25:38,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:38,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603859386] [2020-07-20 16:25:38,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:38,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:38,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404923170] [2020-07-20 16:25:38,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:38,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:38,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:38,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:38,166 INFO L87 Difference]: Start difference. First operand 363 states and 420 transitions. Second operand 6 states. [2020-07-20 16:25:38,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:38,233 INFO L93 Difference]: Finished difference Result 716 states and 858 transitions. [2020-07-20 16:25:38,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:38,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-07-20 16:25:38,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:38,237 INFO L225 Difference]: With dead ends: 716 [2020-07-20 16:25:38,237 INFO L226 Difference]: Without dead ends: 377 [2020-07-20 16:25:38,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:38,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-20 16:25:38,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2020-07-20 16:25:38,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-20 16:25:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 431 transitions. [2020-07-20 16:25:38,265 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 431 transitions. Word has length 148 [2020-07-20 16:25:38,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:38,266 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 431 transitions. [2020-07-20 16:25:38,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:38,266 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 431 transitions. [2020-07-20 16:25:38,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 16:25:38,268 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:38,268 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:38,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:38,481 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:38,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:38,482 INFO L82 PathProgramCache]: Analyzing trace with hash -935545817, now seen corresponding path program 1 times [2020-07-20 16:25:38,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:38,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112899528] [2020-07-20 16:25:38,483 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:38,626 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:25:38,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:38,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:25:38,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-20 16:25:38,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:38,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112899528] [2020-07-20 16:25:38,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:38,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:25:38,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787502260] [2020-07-20 16:25:38,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:25:38,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:38,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:25:38,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:25:38,683 INFO L87 Difference]: Start difference. First operand 373 states and 431 transitions. Second operand 5 states. [2020-07-20 16:25:38,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:38,721 INFO L93 Difference]: Finished difference Result 694 states and 826 transitions. [2020-07-20 16:25:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:25:38,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-07-20 16:25:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:38,726 INFO L225 Difference]: With dead ends: 694 [2020-07-20 16:25:38,726 INFO L226 Difference]: Without dead ends: 345 [2020-07-20 16:25:38,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:25:38,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-20 16:25:38,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2020-07-20 16:25:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-20 16:25:38,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 399 transitions. [2020-07-20 16:25:38,756 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 399 transitions. Word has length 148 [2020-07-20 16:25:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:38,759 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 399 transitions. [2020-07-20 16:25:38,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:25:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 399 transitions. [2020-07-20 16:25:38,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 16:25:38,766 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:38,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:38,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:38,981 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:38,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:38,982 INFO L82 PathProgramCache]: Analyzing trace with hash -420025368, now seen corresponding path program 1 times [2020-07-20 16:25:38,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:38,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578126463] [2020-07-20 16:25:38,984 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:39,281 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:25:39,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:39,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:25:39,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:39,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:39,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578126463] [2020-07-20 16:25:39,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:39,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:39,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461650760] [2020-07-20 16:25:39,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:39,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:39,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:39,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:39,348 INFO L87 Difference]: Start difference. First operand 345 states and 399 transitions. Second operand 6 states. [2020-07-20 16:25:40,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:40,213 INFO L93 Difference]: Finished difference Result 922 states and 1135 transitions. [2020-07-20 16:25:40,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:25:40,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-07-20 16:25:40,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:40,224 INFO L225 Difference]: With dead ends: 922 [2020-07-20 16:25:40,224 INFO L226 Difference]: Without dead ends: 601 [2020-07-20 16:25:40,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:40,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-07-20 16:25:40,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 585. [2020-07-20 16:25:40,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-07-20 16:25:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 693 transitions. [2020-07-20 16:25:40,298 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 693 transitions. Word has length 148 [2020-07-20 16:25:40,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:40,299 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 693 transitions. [2020-07-20 16:25:40,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:40,299 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 693 transitions. [2020-07-20 16:25:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 16:25:40,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:40,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:40,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:40,509 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:40,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:40,509 INFO L82 PathProgramCache]: Analyzing trace with hash 2041878082, now seen corresponding path program 1 times [2020-07-20 16:25:40,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:40,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908961944] [2020-07-20 16:25:40,510 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:40,983 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:40,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:40,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:40,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:41,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:25:41,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908961944] [2020-07-20 16:25:41,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:41,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 16:25:41,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956314364] [2020-07-20 16:25:41,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 16:25:41,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:41,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 16:25:41,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-20 16:25:41,545 INFO L87 Difference]: Start difference. First operand 585 states and 693 transitions. Second operand 12 states. [2020-07-20 16:25:43,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:43,382 INFO L93 Difference]: Finished difference Result 1517 states and 1920 transitions. [2020-07-20 16:25:43,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:25:43,383 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2020-07-20 16:25:43,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:43,396 INFO L225 Difference]: With dead ends: 1517 [2020-07-20 16:25:43,396 INFO L226 Difference]: Without dead ends: 956 [2020-07-20 16:25:43,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 292 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-20 16:25:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2020-07-20 16:25:43,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 772. [2020-07-20 16:25:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-07-20 16:25:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 904 transitions. [2020-07-20 16:25:43,498 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 904 transitions. Word has length 152 [2020-07-20 16:25:43,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:43,499 INFO L479 AbstractCegarLoop]: Abstraction has 772 states and 904 transitions. [2020-07-20 16:25:43,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 16:25:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 904 transitions. [2020-07-20 16:25:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-20 16:25:43,503 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:43,503 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:43,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:43,719 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:43,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:43,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1621582473, now seen corresponding path program 1 times [2020-07-20 16:25:43,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:43,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345294148] [2020-07-20 16:25:43,721 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:44,332 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:44,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:44,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:25:44,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:44,431 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:44,432 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 16:25:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 88 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 16:25:44,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:44,804 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:44,941 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:44,942 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:45,031 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:45,032 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:45,050 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:45,051 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:45,109 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 50 proven. 16 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-20 16:25:45,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345294148] [2020-07-20 16:25:45,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:45,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 16:25:45,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909300202] [2020-07-20 16:25:45,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 16:25:45,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:45,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 16:25:45,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-20 16:25:45,414 INFO L87 Difference]: Start difference. First operand 772 states and 904 transitions. Second operand 16 states. [2020-07-20 16:25:48,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:48,147 INFO L93 Difference]: Finished difference Result 2147 states and 2720 transitions. [2020-07-20 16:25:48,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:25:48,148 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 222 [2020-07-20 16:25:48,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:48,161 INFO L225 Difference]: With dead ends: 2147 [2020-07-20 16:25:48,162 INFO L226 Difference]: Without dead ends: 1450 [2020-07-20 16:25:48,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2020-07-20 16:25:48,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2020-07-20 16:25:48,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1138. [2020-07-20 16:25:48,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2020-07-20 16:25:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1321 transitions. [2020-07-20 16:25:48,281 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1321 transitions. Word has length 222 [2020-07-20 16:25:48,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:48,282 INFO L479 AbstractCegarLoop]: Abstraction has 1138 states and 1321 transitions. [2020-07-20 16:25:48,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 16:25:48,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1321 transitions. [2020-07-20 16:25:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-20 16:25:48,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:48,290 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:25:48,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:48,506 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:48,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:48,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1106626873, now seen corresponding path program 1 times [2020-07-20 16:25:48,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:48,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488428360] [2020-07-20 16:25:48,507 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:49,173 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:49,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:49,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:25:49,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-20 16:25:49,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:49,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488428360] [2020-07-20 16:25:49,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:49,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:49,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113424622] [2020-07-20 16:25:49,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:49,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:49,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:49,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:49,244 INFO L87 Difference]: Start difference. First operand 1138 states and 1321 transitions. Second operand 6 states. [2020-07-20 16:25:49,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:49,293 INFO L93 Difference]: Finished difference Result 1482 states and 1715 transitions. [2020-07-20 16:25:49,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:49,293 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2020-07-20 16:25:49,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:49,296 INFO L225 Difference]: With dead ends: 1482 [2020-07-20 16:25:49,297 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:25:49,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:49,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:25:49,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:25:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:25:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:25:49,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2020-07-20 16:25:49,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:49,302 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:25:49,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:25:49,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:25:49,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:49,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:25:51,414 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2020-07-20 16:25:51,790 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2020-07-20 16:25:51,927 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 16:25:52,043 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 21 [2020-07-20 16:25:52,168 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2020-07-20 16:25:52,314 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-07-20 16:25:52,786 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-07-20 16:25:53,233 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-07-20 16:25:53,470 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 17 [2020-07-20 16:25:53,670 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-07-20 16:25:53,709 INFO L268 CegarLoopResult]: For program point L639(lines 616 640) no Hoare annotation was computed. [2020-07-20 16:25:53,709 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 592 647) no Hoare annotation was computed. [2020-07-20 16:25:53,709 INFO L268 CegarLoopResult]: For program point L623(lines 623 627) no Hoare annotation was computed. [2020-07-20 16:25:53,709 INFO L268 CegarLoopResult]: For program point L623-1(lines 623 627) no Hoare annotation was computed. [2020-07-20 16:25:53,709 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-20 16:25:53,710 INFO L268 CegarLoopResult]: For program point L617-2(lines 617 638) no Hoare annotation was computed. [2020-07-20 16:25:53,710 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 592 647) no Hoare annotation was computed. [2020-07-20 16:25:53,710 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 592 647) no Hoare annotation was computed. [2020-07-20 16:25:53,710 INFO L268 CegarLoopResult]: For program point L674-2(lines 674 699) no Hoare annotation was computed. [2020-07-20 16:25:53,710 INFO L268 CegarLoopResult]: For program point L700(lines 673 701) no Hoare annotation was computed. [2020-07-20 16:25:53,710 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 648 707) no Hoare annotation was computed. [2020-07-20 16:25:53,710 INFO L268 CegarLoopResult]: For program point L693(line 693) no Hoare annotation was computed. [2020-07-20 16:25:53,710 INFO L268 CegarLoopResult]: For program point L693-1(line 693) no Hoare annotation was computed. [2020-07-20 16:25:53,711 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 648 707) no Hoare annotation was computed. [2020-07-20 16:25:53,711 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 648 707) no Hoare annotation was computed. [2020-07-20 16:25:53,711 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-20 16:25:53,711 INFO L268 CegarLoopResult]: For program point L680-1(lines 680 684) no Hoare annotation was computed. [2020-07-20 16:25:53,711 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-07-20 16:25:53,711 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-07-20 16:25:53,711 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-07-20 16:25:53,711 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-20 16:25:53,712 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-07-20 16:25:53,712 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-20 16:25:53,712 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 16:25:53,712 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2020-07-20 16:25:53,712 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2020-07-20 16:25:53,712 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 16:25:53,712 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-07-20 16:25:53,713 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 16:25:53,713 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-20 16:25:53,713 INFO L268 CegarLoopResult]: For program point L388(lines 388 401) no Hoare annotation was computed. [2020-07-20 16:25:53,713 INFO L268 CegarLoopResult]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2020-07-20 16:25:53,713 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-20 16:25:53,713 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 516 538) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:53,713 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2020-07-20 16:25:53,713 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:53,713 INFO L264 CegarLoopResult]: At program point L528-1(line 528) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:53,714 INFO L268 CegarLoopResult]: For program point L526(lines 526 533) no Hoare annotation was computed. [2020-07-20 16:25:53,714 INFO L268 CegarLoopResult]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2020-07-20 16:25:53,714 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2020-07-20 16:25:53,714 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 16:25:53,714 INFO L264 CegarLoopResult]: At program point L523(line 523) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:53,714 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:53,714 INFO L264 CegarLoopResult]: At program point L522-1(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:53,714 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 16:25:53,714 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-20 16:25:53,714 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 475 498) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 475 498) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 475 498) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-20 16:25:53,715 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 16:25:53,716 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 16:25:53,716 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-07-20 16:25:53,716 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 16:25:53,716 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-20 16:25:53,716 INFO L268 CegarLoopResult]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2020-07-20 16:25:53,716 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 16:25:53,716 INFO L264 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:53,716 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2020-07-20 16:25:53,716 INFO L264 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~2))))) [2020-07-20 16:25:53,716 INFO L268 CegarLoopResult]: For program point L200(lines 200 208) no Hoare annotation was computed. [2020-07-20 16:25:53,717 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 16:25:53,717 INFO L268 CegarLoopResult]: For program point L198-1(line 198) no Hoare annotation was computed. [2020-07-20 16:25:53,717 INFO L268 CegarLoopResult]: For program point L196(lines 196 213) no Hoare annotation was computed. [2020-07-20 16:25:53,717 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2020-07-20 16:25:53,717 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2020-07-20 16:25:53,717 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2020-07-20 16:25:53,717 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2020-07-20 16:25:53,717 INFO L268 CegarLoopResult]: For program point L360(lines 360 364) no Hoare annotation was computed. [2020-07-20 16:25:53,717 INFO L271 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: true [2020-07-20 16:25:53,717 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2020-07-20 16:25:53,717 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2020-07-20 16:25:53,717 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point L315(lines 315 323) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point L303(lines 303 311) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 296 331) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 296 331) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-07-20 16:25:53,718 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 296 331) no Hoare annotation was computed. [2020-07-20 16:25:53,719 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-07-20 16:25:53,719 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-07-20 16:25:53,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 546 591) no Hoare annotation was computed. [2020-07-20 16:25:53,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 546 591) no Hoare annotation was computed. [2020-07-20 16:25:53,719 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 546 591) no Hoare annotation was computed. [2020-07-20 16:25:53,719 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 859 904) no Hoare annotation was computed. [2020-07-20 16:25:53,719 INFO L268 CegarLoopResult]: For program point L879(lines 879 886) no Hoare annotation was computed. [2020-07-20 16:25:53,719 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 859 904) no Hoare annotation was computed. [2020-07-20 16:25:53,719 INFO L268 CegarLoopResult]: For program point L873(lines 873 893) no Hoare annotation was computed. [2020-07-20 16:25:53,720 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 893) no Hoare annotation was computed. [2020-07-20 16:25:53,720 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 859 904) no Hoare annotation was computed. [2020-07-20 16:25:53,720 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:53,720 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2020-07-20 16:25:53,720 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2020-07-20 16:25:53,720 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2020-07-20 16:25:53,720 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2020-07-20 16:25:53,720 INFO L271 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: true [2020-07-20 16:25:53,721 INFO L268 CegarLoopResult]: For program point L281-1(line 281) no Hoare annotation was computed. [2020-07-20 16:25:53,721 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2020-07-20 16:25:53,721 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 16:25:53,721 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2020-07-20 16:25:53,721 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2020-07-20 16:25:53,721 INFO L268 CegarLoopResult]: For program point L989(lines 989 995) no Hoare annotation was computed. [2020-07-20 16:25:53,721 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2020-07-20 16:25:53,721 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2020-07-20 16:25:53,722 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2020-07-20 16:25:53,722 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 16:25:53,722 INFO L268 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-07-20 16:25:53,722 INFO L268 CegarLoopResult]: For program point L222(lines 222 239) no Hoare annotation was computed. [2020-07-20 16:25:53,722 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2020-07-20 16:25:53,722 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 16:25:53,722 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-20 16:25:53,722 INFO L268 CegarLoopResult]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2020-07-20 16:25:53,723 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 16:25:53,723 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 16:25:53,723 INFO L268 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2020-07-20 16:25:53,723 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2020-07-20 16:25:53,723 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2020-07-20 16:25:53,723 INFO L264 CegarLoopResult]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:53,723 INFO L268 CegarLoopResult]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2020-07-20 16:25:53,724 INFO L264 CegarLoopResult]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:53,724 INFO L268 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-07-20 16:25:53,724 INFO L264 CegarLoopResult]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:53,724 INFO L268 CegarLoopResult]: For program point L65(lines 64 111) no Hoare annotation was computed. [2020-07-20 16:25:53,724 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:53,724 INFO L268 CegarLoopResult]: For program point L94(lines 94 107) no Hoare annotation was computed. [2020-07-20 16:25:53,725 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:53,725 INFO L268 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2020-07-20 16:25:53,725 INFO L268 CegarLoopResult]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2020-07-20 16:25:53,725 INFO L264 CegarLoopResult]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:53,725 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:53,725 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-07-20 16:25:53,726 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-07-20 16:25:53,726 INFO L268 CegarLoopResult]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2020-07-20 16:25:53,726 INFO L268 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-07-20 16:25:53,726 INFO L268 CegarLoopResult]: For program point L833(lines 833 840) no Hoare annotation was computed. [2020-07-20 16:25:53,726 INFO L268 CegarLoopResult]: For program point L827(lines 827 847) no Hoare annotation was computed. [2020-07-20 16:25:53,726 INFO L268 CegarLoopResult]: For program point L827-1(lines 827 847) no Hoare annotation was computed. [2020-07-20 16:25:53,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 813 858) no Hoare annotation was computed. [2020-07-20 16:25:53,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 813 858) no Hoare annotation was computed. [2020-07-20 16:25:53,727 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 813 858) no Hoare annotation was computed. [2020-07-20 16:25:53,727 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:53,727 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2020-07-20 16:25:53,727 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2020-07-20 16:25:53,727 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2020-07-20 16:25:53,727 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2020-07-20 16:25:53,727 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2020-07-20 16:25:53,727 INFO L268 CegarLoopResult]: For program point L961(lines 961 969) no Hoare annotation was computed. [2020-07-20 16:25:53,727 INFO L268 CegarLoopResult]: For program point L961-2(lines 961 969) no Hoare annotation was computed. [2020-07-20 16:25:53,728 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 953 975) no Hoare annotation was computed. [2020-07-20 16:25:53,728 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 953 975) no Hoare annotation was computed. [2020-07-20 16:25:53,728 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 953 975) no Hoare annotation was computed. [2020-07-20 16:25:53,728 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-07-20 16:25:53,728 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-07-20 16:25:53,728 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-07-20 16:25:53,728 INFO L268 CegarLoopResult]: For program point L799(lines 799 806) no Hoare annotation was computed. [2020-07-20 16:25:53,728 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 710 812) no Hoare annotation was computed. [2020-07-20 16:25:53,728 INFO L268 CegarLoopResult]: For program point L760(lines 759 779) no Hoare annotation was computed. [2020-07-20 16:25:53,729 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-20 16:25:53,729 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-07-20 16:25:53,729 INFO L268 CegarLoopResult]: For program point L756(lines 756 797) no Hoare annotation was computed. [2020-07-20 16:25:53,729 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-07-20 16:25:53,729 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-07-20 16:25:53,729 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 710 812) no Hoare annotation was computed. [2020-07-20 16:25:53,729 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-20 16:25:53,729 INFO L268 CegarLoopResult]: For program point L798(lines 798 809) no Hoare annotation was computed. [2020-07-20 16:25:53,730 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-20 16:25:53,730 INFO L268 CegarLoopResult]: For program point L759-2(lines 759 779) no Hoare annotation was computed. [2020-07-20 16:25:53,730 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 710 812) no Hoare annotation was computed. [2020-07-20 16:25:53,730 INFO L268 CegarLoopResult]: For program point L780(lines 758 781) no Hoare annotation was computed. [2020-07-20 16:25:53,730 INFO L268 CegarLoopResult]: For program point L739(lines 739 755) no Hoare annotation was computed. [2020-07-20 16:25:53,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:53,730 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 16:25:53,730 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:53,730 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:53,731 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-07-20 16:25:53,731 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2020-07-20 16:25:53,731 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:53,731 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:53,731 INFO L268 CegarLoopResult]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2020-07-20 16:25:53,731 INFO L268 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-07-20 16:25:53,731 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2020-07-20 16:25:53,731 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2020-07-20 16:25:53,732 INFO L268 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-07-20 16:25:53,732 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2020-07-20 16:25:53,732 INFO L271 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: true [2020-07-20 16:25:53,732 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2020-07-20 16:25:53,732 INFO L268 CegarLoopResult]: For program point L339-1(line 339) no Hoare annotation was computed. [2020-07-20 16:25:53,732 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2020-07-20 16:25:53,732 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2020-07-20 16:25:53,732 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2020-07-20 16:25:53,732 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: true [2020-07-20 16:25:53,733 INFO L268 CegarLoopResult]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2020-07-20 16:25:53,733 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2020-07-20 16:25:53,733 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:53,733 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:25:53,733 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:53,733 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 16:25:53,733 INFO L264 CegarLoopResult]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (and .cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 (and (<= 2 ~waterLevel~0) .cse2 .cse4) (and .cse3 (<= ~waterLevel~0 1) .cse4) (not .cse0) (not (<= 1 |old(~waterLevel~0)|)))))) [2020-07-20 16:25:53,734 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2)) (or .cse0 (and .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 16:25:53,734 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 16:25:53,734 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2020-07-20 16:25:53,734 INFO L268 CegarLoopResult]: For program point L138(lines 137 156) no Hoare annotation was computed. [2020-07-20 16:25:53,734 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2020-07-20 16:25:53,734 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2020-07-20 16:25:53,734 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2020-07-20 16:25:53,734 INFO L271 CegarLoopResult]: At program point L470(lines 445 474) the Hoare annotation is: true [2020-07-20 16:25:53,735 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 16:25:53,735 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-07-20 16:25:53,735 INFO L271 CegarLoopResult]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2020-07-20 16:25:53,735 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 16:25:53,735 INFO L271 CegarLoopResult]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2020-07-20 16:25:53,735 INFO L271 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: true [2020-07-20 16:25:53,735 INFO L268 CegarLoopResult]: For program point L451-1(line 451) no Hoare annotation was computed. [2020-07-20 16:25:53,735 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2020-07-20 16:25:53,735 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2020-07-20 16:25:53,735 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2020-07-20 16:25:53,736 INFO L268 CegarLoopResult]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2020-07-20 16:25:53,736 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 16:25:53,736 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2020-07-20 16:25:53,736 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2020-07-20 16:25:53,736 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2020-07-20 16:25:53,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:53,736 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:25:53,736 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:25:53,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:53,737 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2020-07-20 16:25:53,737 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 16:25:53,737 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2020-07-20 16:25:53,737 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:53,737 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2020-07-20 16:25:53,737 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:53,737 INFO L268 CegarLoopResult]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2020-07-20 16:25:53,738 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:53,738 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:53,738 INFO L268 CegarLoopResult]: For program point L174(lines 174 182) no Hoare annotation was computed. [2020-07-20 16:25:53,738 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:53,738 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-20 16:25:53,738 INFO L268 CegarLoopResult]: For program point L170(lines 170 187) no Hoare annotation was computed. [2020-07-20 16:25:53,738 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2020-07-20 16:25:53,738 INFO L268 CegarLoopResult]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2020-07-20 16:25:53,739 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-20 16:25:53,739 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:25:53,739 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 16:25:53,739 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 16:25:53,739 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:25:53,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:25:53 BoogieIcfgContainer [2020-07-20 16:25:53,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:25:53,759 INFO L168 Benchmark]: Toolchain (without parser) took 23134.62 ms. Allocated memory was 137.9 MB in the beginning and 471.3 MB in the end (delta: 333.4 MB). Free memory was 100.2 MB in the beginning and 296.7 MB in the end (delta: -196.6 MB). Peak memory consumption was 316.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:53,760 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:25:53,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.48 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.0 MB in the beginning and 168.3 MB in the end (delta: -68.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:53,762 INFO L168 Benchmark]: Boogie Preprocessor took 107.75 ms. Allocated memory is still 202.4 MB. Free memory was 168.3 MB in the beginning and 163.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:53,763 INFO L168 Benchmark]: RCFGBuilder took 1244.78 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 163.5 MB in the beginning and 190.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:53,763 INFO L168 Benchmark]: TraceAbstraction took 21109.97 ms. Allocated memory was 234.4 MB in the beginning and 471.3 MB in the end (delta: 237.0 MB). Free memory was 190.8 MB in the beginning and 296.7 MB in the end (delta: -106.0 MB). Peak memory consumption was 310.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:53,767 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.48 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 100.0 MB in the beginning and 168.3 MB in the end (delta: -68.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.75 ms. Allocated memory is still 202.4 MB. Free memory was 168.3 MB in the beginning and 163.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1244.78 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 163.5 MB in the beginning and 190.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21109.97 ms. Allocated memory was 234.4 MB in the beginning and 471.3 MB in the end (delta: 237.0 MB). Free memory was 190.8 MB in the beginning and 296.7 MB in the end (delta: -106.0 MB). Peak memory consumption was 310.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2183 SDtfs, 1799 SDslu, 3752 SDs, 0 SdLazy, 4634 SolverSat, 1101 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1742 GetRequests, 1658 SyntacticMatches, 7 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1138occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 532 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1962 PreInvPairs, 2017 NumberOfFragments, 1197 HoareAnnotationTreeSize, 1962 FomulaSimplifications, 5009 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 71 FomulaSimplificationsInter, 8043 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1339 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1700 ConstructedInterpolants, 0 QuantifiedInterpolants, 463357 SizeOfPredicates, 42 NumberOfNonLiveVariables, 8121 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 456/519 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...