/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_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:51:40,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:51:40,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:51:40,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:51:40,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:51:40,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:51:40,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:51:40,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:51:40,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:51:40,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:51:40,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:51:40,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:51:40,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:51:40,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:51:40,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:51:40,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:51:40,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:51:40,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:51:40,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:51:40,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:51:41,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:51:41,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:51:41,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:51:41,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:51:41,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:51:41,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:51:41,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:51:41,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:51:41,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:51:41,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:51:41,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:51:41,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:51:41,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:51:41,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:51:41,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:51:41,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:51:41,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:51:41,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:51:41,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:51:41,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:51:41,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:51:41,015 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 [2020-07-21 12:51:41,029 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:51:41,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:51:41,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:51:41,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:51:41,031 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:51:41,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:51:41,031 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:51:41,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:51:41,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:51:41,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:51:41,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:51:41,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:51:41,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:51:41,033 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:51:41,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:51:41,033 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:51:41,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:51:41,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:51:41,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:51:41,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:51:41,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:51:41,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:51:41,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:51:41,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:51:41,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:51:41,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:51:41,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:41,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:51:41,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:51:41,036 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_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:51:41,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:51:41,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:51:41,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:51:41,336 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:51:41,336 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:51:41,337 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-21 12:51:41,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae3464aff/76169bbb60df4ab4ab933bce38641362/FLAG2e7018c5a [2020-07-21 12:51:41,889 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:51:41,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-07-21 12:51:41,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae3464aff/76169bbb60df4ab4ab933bce38641362/FLAG2e7018c5a [2020-07-21 12:51:42,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae3464aff/76169bbb60df4ab4ab933bce38641362 [2020-07-21 12:51:42,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:51:42,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:51:42,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:42,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:51:42,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:51:42,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5ca33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42, skipping insertion in model container [2020-07-21 12:51:42,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:42,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:51:42,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:51:42,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:42,814 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:51:42,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:51:42,988 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:51:42,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42 WrapperNode [2020-07-21 12:51:42,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:51:42,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:51:42,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:51:42,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:51:43,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:43,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:43,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:43,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:43,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:43,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:43,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (1/1) ... [2020-07-21 12:51:43,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:51:43,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:51:43,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:51:43,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:51:43,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (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 [2020-07-21 12:51:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:51:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:51:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:51:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:51:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:51:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:51:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:51:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:51:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:51:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:51:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:51:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:51:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:51:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:51:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:51:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:51:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:51:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:51:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:51:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:51:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:51:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:51:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:51:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:51:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:51:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:51:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:51:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:51:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:51:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:51:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:51:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:51:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:51:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:51:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:51:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:51:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:51:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:51:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:51:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:51:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:51:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:51:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:51:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:51:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:51:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:51:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:51:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:51:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:51:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:51:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:51:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:51:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:51:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:51:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:51:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:51:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:51:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:51:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:51:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:51:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:51:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:51:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:51:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:51:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:51:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:51:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:51:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:51:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:51:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:51:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:51:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:51:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:51:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:51:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:51:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:51:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:51:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:51:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:51:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:51:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:51:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:51:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:51:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:51:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:51:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:51:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:51:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:51:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:51:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:51:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:51:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:51:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:51:44,274 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:51:44,275 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:51:44,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:44 BoogieIcfgContainer [2020-07-21 12:51:44,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:51:44,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:51:44,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:51:44,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:51:44,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:51:42" (1/3) ... [2020-07-21 12:51:44,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b5d796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:44, skipping insertion in model container [2020-07-21 12:51:44,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:42" (2/3) ... [2020-07-21 12:51:44,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13b5d796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:44, skipping insertion in model container [2020-07-21 12:51:44,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:44" (3/3) ... [2020-07-21 12:51:44,290 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2020-07-21 12:51:44,302 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:51:44,310 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:51:44,326 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:51:44,351 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:51:44,352 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:51:44,352 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:51:44,352 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:51:44,352 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:51:44,353 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:51:44,353 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:51:44,353 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:51:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2020-07-21 12:51:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:51:44,387 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:44,388 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:44,388 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:44,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:44,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1445624956, now seen corresponding path program 1 times [2020-07-21 12:51:44,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:44,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017390227] [2020-07-21 12:51:44,405 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:44,814 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:44,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:44,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:51:44,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:44,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:44,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017390227] [2020-07-21 12:51:44,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:44,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:51:44,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027507822] [2020-07-21 12:51:44,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:51:44,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:44,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:51:44,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:44,894 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2020-07-21 12:51:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:44,940 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2020-07-21 12:51:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:51:44,941 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 12:51:44,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:44,955 INFO L225 Difference]: With dead ends: 300 [2020-07-21 12:51:44,956 INFO L226 Difference]: Without dead ends: 152 [2020-07-21 12:51:44,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:51:44,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-07-21 12:51:45,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2020-07-21 12:51:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-21 12:51:45,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2020-07-21 12:51:45,021 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2020-07-21 12:51:45,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:45,022 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2020-07-21 12:51:45,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:51:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2020-07-21 12:51:45,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:51:45,026 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:45,027 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] [2020-07-21 12:51:45,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:45,240 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:45,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:45,241 INFO L82 PathProgramCache]: Analyzing trace with hash 313505704, now seen corresponding path program 1 times [2020-07-21 12:51:45,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:45,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930054844] [2020-07-21 12:51:45,243 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:45,585 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:45,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:45,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:51:45,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:45,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:45,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:45,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930054844] [2020-07-21 12:51:45,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:45,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:45,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926016108] [2020-07-21 12:51:45,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:45,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:45,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:45,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:45,634 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2020-07-21 12:51:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:45,657 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2020-07-21 12:51:45,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:45,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 12:51:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:45,660 INFO L225 Difference]: With dead ends: 245 [2020-07-21 12:51:45,661 INFO L226 Difference]: Without dead ends: 143 [2020-07-21 12:51:45,662 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 [2020-07-21 12:51:45,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-21 12:51:45,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-21 12:51:45,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-21 12:51:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2020-07-21 12:51:45,682 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2020-07-21 12:51:45,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:45,682 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2020-07-21 12:51:45,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2020-07-21 12:51:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 12:51:45,685 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:45,685 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] [2020-07-21 12:51:45,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:45,900 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:45,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:45,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1935207340, now seen corresponding path program 1 times [2020-07-21 12:51:45,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:45,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359775660] [2020-07-21 12:51:45,903 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:46,260 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:46,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:46,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:51:46,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:46,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:46,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359775660] [2020-07-21 12:51:46,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:46,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:46,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546552246] [2020-07-21 12:51:46,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:46,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:46,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:46,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:46,314 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2020-07-21 12:51:46,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:46,337 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2020-07-21 12:51:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:46,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 12:51:46,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:46,340 INFO L225 Difference]: With dead ends: 258 [2020-07-21 12:51:46,340 INFO L226 Difference]: Without dead ends: 143 [2020-07-21 12:51:46,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:46,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-21 12:51:46,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-07-21 12:51:46,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-21 12:51:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2020-07-21 12:51:46,363 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2020-07-21 12:51:46,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:46,364 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2020-07-21 12:51:46,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:46,364 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2020-07-21 12:51:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-21 12:51:46,373 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:46,373 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] [2020-07-21 12:51:46,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:46,575 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:46,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:46,576 INFO L82 PathProgramCache]: Analyzing trace with hash 979214064, now seen corresponding path program 1 times [2020-07-21 12:51:46,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:46,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1086273144] [2020-07-21 12:51:46,577 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:46,924 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:46,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:46,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:51:46,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:46,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:46,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1086273144] [2020-07-21 12:51:46,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:46,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:46,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888909735] [2020-07-21 12:51:46,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:46,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:46,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:46,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:46,977 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 6 states. [2020-07-21 12:51:47,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:47,632 INFO L93 Difference]: Finished difference Result 348 states and 425 transitions. [2020-07-21 12:51:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:47,632 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-07-21 12:51:47,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:47,635 INFO L225 Difference]: With dead ends: 348 [2020-07-21 12:51:47,635 INFO L226 Difference]: Without dead ends: 233 [2020-07-21 12:51:47,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:51:47,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-07-21 12:51:47,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 217. [2020-07-21 12:51:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-21 12:51:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 245 transitions. [2020-07-21 12:51:47,662 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 245 transitions. Word has length 75 [2020-07-21 12:51:47,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:47,663 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 245 transitions. [2020-07-21 12:51:47,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 245 transitions. [2020-07-21 12:51:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-21 12:51:47,665 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:47,665 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, 1, 1, 1, 1, 1] [2020-07-21 12:51:47,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:47,880 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:47,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:47,881 INFO L82 PathProgramCache]: Analyzing trace with hash -919866488, now seen corresponding path program 1 times [2020-07-21 12:51:47,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:47,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866905506] [2020-07-21 12:51:47,883 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:48,189 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:48,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:48,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:48,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:48,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:48,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:48,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866905506] [2020-07-21 12:51:48,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:48,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:48,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127848603] [2020-07-21 12:51:48,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:48,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:48,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:48,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:48,238 INFO L87 Difference]: Start difference. First operand 217 states and 245 transitions. Second operand 6 states. [2020-07-21 12:51:48,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:48,471 INFO L93 Difference]: Finished difference Result 409 states and 470 transitions. [2020-07-21 12:51:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:48,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2020-07-21 12:51:48,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:48,477 INFO L225 Difference]: With dead ends: 409 [2020-07-21 12:51:48,477 INFO L226 Difference]: Without dead ends: 220 [2020-07-21 12:51:48,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:48,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-21 12:51:48,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2020-07-21 12:51:48,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-21 12:51:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 242 transitions. [2020-07-21 12:51:48,499 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 242 transitions. Word has length 89 [2020-07-21 12:51:48,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:48,500 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 242 transitions. [2020-07-21 12:51:48,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 242 transitions. [2020-07-21 12:51:48,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-21 12:51:48,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:48,502 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, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:48,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:48,718 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:48,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:48,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1146327697, now seen corresponding path program 1 times [2020-07-21 12:51:48,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:48,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743547440] [2020-07-21 12:51:48,720 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:48,967 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:48,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:48,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 12:51:48,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:49,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:49,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743547440] [2020-07-21 12:51:49,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:49,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:49,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101695258] [2020-07-21 12:51:49,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:49,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:49,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:49,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:49,031 INFO L87 Difference]: Start difference. First operand 216 states and 242 transitions. Second operand 6 states. [2020-07-21 12:51:49,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:49,323 INFO L93 Difference]: Finished difference Result 580 states and 671 transitions. [2020-07-21 12:51:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:51:49,324 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2020-07-21 12:51:49,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:49,329 INFO L225 Difference]: With dead ends: 580 [2020-07-21 12:51:49,329 INFO L226 Difference]: Without dead ends: 392 [2020-07-21 12:51:49,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:49,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2020-07-21 12:51:49,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 388. [2020-07-21 12:51:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-07-21 12:51:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 437 transitions. [2020-07-21 12:51:49,387 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 437 transitions. Word has length 90 [2020-07-21 12:51:49,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:49,388 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 437 transitions. [2020-07-21 12:51:49,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 437 transitions. [2020-07-21 12:51:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 12:51:49,390 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:49,390 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:49,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:49,605 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:49,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:49,605 INFO L82 PathProgramCache]: Analyzing trace with hash 390870795, now seen corresponding path program 1 times [2020-07-21 12:51:49,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:49,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450924906] [2020-07-21 12:51:49,606 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:49,968 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:49,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:49,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:51:49,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:50,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:50,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450924906] [2020-07-21 12:51:50,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:50,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:51:50,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474337020] [2020-07-21 12:51:50,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:51:50,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:50,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:51:50,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:50,010 INFO L87 Difference]: Start difference. First operand 388 states and 437 transitions. Second operand 6 states. [2020-07-21 12:51:50,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:50,070 INFO L93 Difference]: Finished difference Result 758 states and 866 transitions. [2020-07-21 12:51:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:51:50,071 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-21 12:51:50,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:50,075 INFO L225 Difference]: With dead ends: 758 [2020-07-21 12:51:50,076 INFO L226 Difference]: Without dead ends: 398 [2020-07-21 12:51:50,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:51:50,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-21 12:51:50,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2020-07-21 12:51:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-21 12:51:50,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 447 transitions. [2020-07-21 12:51:50,102 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 447 transitions. Word has length 94 [2020-07-21 12:51:50,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:50,103 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 447 transitions. [2020-07-21 12:51:50,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:51:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 447 transitions. [2020-07-21 12:51:50,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 12:51:50,105 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:50,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:50,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:50,310 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:50,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:50,311 INFO L82 PathProgramCache]: Analyzing trace with hash 318484237, now seen corresponding path program 1 times [2020-07-21 12:51:50,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:50,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069211608] [2020-07-21 12:51:50,312 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:50,599 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:50,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:50,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:51:50,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:50,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:50,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069211608] [2020-07-21 12:51:50,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:50,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:51:50,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410079728] [2020-07-21 12:51:50,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:51:50,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:50,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:51:50,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:50,634 INFO L87 Difference]: Start difference. First operand 398 states and 447 transitions. Second operand 5 states. [2020-07-21 12:51:50,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:50,687 INFO L93 Difference]: Finished difference Result 782 states and 900 transitions. [2020-07-21 12:51:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:51:50,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-07-21 12:51:50,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:50,691 INFO L225 Difference]: With dead ends: 782 [2020-07-21 12:51:50,691 INFO L226 Difference]: Without dead ends: 412 [2020-07-21 12:51:50,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:50,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-07-21 12:51:50,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 406. [2020-07-21 12:51:50,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-07-21 12:51:50,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 455 transitions. [2020-07-21 12:51:50,731 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 455 transitions. Word has length 94 [2020-07-21 12:51:50,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:50,733 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 455 transitions. [2020-07-21 12:51:50,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:51:50,733 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 455 transitions. [2020-07-21 12:51:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 12:51:50,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:50,738 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:50,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:50,954 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:50,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:50,955 INFO L82 PathProgramCache]: Analyzing trace with hash 648249998, now seen corresponding path program 1 times [2020-07-21 12:51:50,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:50,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414409377] [2020-07-21 12:51:50,956 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:51,223 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:51,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:51,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:51:51,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:51,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:51,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1414409377] [2020-07-21 12:51:51,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:51,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:51,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677870220] [2020-07-21 12:51:51,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:51,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:51,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:51,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:51,266 INFO L87 Difference]: Start difference. First operand 406 states and 455 transitions. Second operand 3 states. [2020-07-21 12:51:51,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:51,324 INFO L93 Difference]: Finished difference Result 1102 states and 1291 transitions. [2020-07-21 12:51:51,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:51,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-07-21 12:51:51,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:51,334 INFO L225 Difference]: With dead ends: 1102 [2020-07-21 12:51:51,335 INFO L226 Difference]: Without dead ends: 724 [2020-07-21 12:51:51,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:51,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-07-21 12:51:51,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 721. [2020-07-21 12:51:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-07-21 12:51:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 830 transitions. [2020-07-21 12:51:51,389 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 830 transitions. Word has length 94 [2020-07-21 12:51:51,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:51,389 INFO L479 AbstractCegarLoop]: Abstraction has 721 states and 830 transitions. [2020-07-21 12:51:51,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 830 transitions. [2020-07-21 12:51:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 12:51:51,393 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:51,394 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:51,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:51,609 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:51,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:51,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1149612728, now seen corresponding path program 1 times [2020-07-21 12:51:51,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:51,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1515443824] [2020-07-21 12:51:51,610 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:51,929 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:51,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:51,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 12:51:51,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:51:51,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:51,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1515443824] [2020-07-21 12:51:51,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:51,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:51:51,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903332106] [2020-07-21 12:51:51,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:51:51,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:51,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:51:51,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:51,959 INFO L87 Difference]: Start difference. First operand 721 states and 830 transitions. Second operand 3 states. [2020-07-21 12:51:52,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:52,021 INFO L93 Difference]: Finished difference Result 1102 states and 1287 transitions. [2020-07-21 12:51:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:51:52,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-21 12:51:52,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:52,029 INFO L225 Difference]: With dead ends: 1102 [2020-07-21 12:51:52,029 INFO L226 Difference]: Without dead ends: 1099 [2020-07-21 12:51:52,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:51:52,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2020-07-21 12:51:52,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 915. [2020-07-21 12:51:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2020-07-21 12:51:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1068 transitions. [2020-07-21 12:51:52,121 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1068 transitions. Word has length 98 [2020-07-21 12:51:52,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:52,121 INFO L479 AbstractCegarLoop]: Abstraction has 915 states and 1068 transitions. [2020-07-21 12:51:52,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:51:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1068 transitions. [2020-07-21 12:51:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-21 12:51:52,126 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:52,126 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:52,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:52,340 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:52,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:52,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1330390775, now seen corresponding path program 1 times [2020-07-21 12:51:52,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:52,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153632196] [2020-07-21 12:51:52,341 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:51:52,726 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:52,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:52,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 12:51:52,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:51:52,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:52,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153632196] [2020-07-21 12:51:52,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:52,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:51:52,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669224979] [2020-07-21 12:51:52,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:51:52,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:52,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:51:52,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:51:52,787 INFO L87 Difference]: Start difference. First operand 915 states and 1068 transitions. Second operand 5 states. [2020-07-21 12:51:53,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:53,751 INFO L93 Difference]: Finished difference Result 2349 states and 2881 transitions. [2020-07-21 12:51:53,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:51:53,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2020-07-21 12:51:53,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:53,766 INFO L225 Difference]: With dead ends: 2349 [2020-07-21 12:51:53,766 INFO L226 Difference]: Without dead ends: 1462 [2020-07-21 12:51:53,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:51:53,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2020-07-21 12:51:53,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1352. [2020-07-21 12:51:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2020-07-21 12:51:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1593 transitions. [2020-07-21 12:51:53,880 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1593 transitions. Word has length 175 [2020-07-21 12:51:53,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:53,880 INFO L479 AbstractCegarLoop]: Abstraction has 1352 states and 1593 transitions. [2020-07-21 12:51:53,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:51:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1593 transitions. [2020-07-21 12:51:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-21 12:51:53,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:51:53,886 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:51:54,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:54,090 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:51:54,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:51:54,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1747787381, now seen corresponding path program 1 times [2020-07-21 12:51:54,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:51:54,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982859431] [2020-07-21 12:51:54,091 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:54,533 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:51:54,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:51:54,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:51:54,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:51:54,677 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 12:51:54,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:51:54,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982859431] [2020-07-21 12:51:54,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:51:54,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 12:51:54,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784907921] [2020-07-21 12:51:54,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 12:51:54,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:51:54,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 12:51:54,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:54,684 INFO L87 Difference]: Start difference. First operand 1352 states and 1593 transitions. Second operand 8 states. [2020-07-21 12:51:55,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:51:55,111 INFO L93 Difference]: Finished difference Result 2265 states and 2682 transitions. [2020-07-21 12:51:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:51:55,112 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-07-21 12:51:55,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:51:55,113 INFO L225 Difference]: With dead ends: 2265 [2020-07-21 12:51:55,113 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:51:55,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:51:55,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:51:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:51:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:51:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:51:55,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-07-21 12:51:55,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:51:55,121 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:51:55,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 12:51:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:51:55,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:51:55,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:51:55,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:51:56,895 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2020-07-21 12:51:57,133 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2020-07-21 12:51:57,903 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-07-21 12:51:58,134 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2020-07-21 12:51:58,336 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 12:51:58,508 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2020-07-21 12:51:58,626 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2020-07-21 12:51:58,973 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-07-21 12:51:59,112 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-07-21 12:51:59,820 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-07-21 12:51:59,923 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-07-21 12:52:00,132 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-07-21 12:52:00,250 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 20 [2020-07-21 12:52:00,579 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-07-21 12:52:00,795 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 22 [2020-07-21 12:52:01,088 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2020-07-21 12:52:01,234 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2020-07-21 12:52:01,414 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2020-07-21 12:52:02,058 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2020-07-21 12:52:02,200 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-07-21 12:52:02,551 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2020-07-21 12:52:02,766 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2020-07-21 12:52:03,026 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-07-21 12:52:03,225 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-21 12:52:03,327 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 23 [2020-07-21 12:52:03,484 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-07-21 12:52:03,911 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 24 [2020-07-21 12:52:04,032 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 20 [2020-07-21 12:52:04,036 INFO L268 CegarLoopResult]: For program point L287(lines 264 288) no Hoare annotation was computed. [2020-07-21 12:52:04,037 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 240 295) no Hoare annotation was computed. [2020-07-21 12:52:04,037 INFO L268 CegarLoopResult]: For program point L271(lines 271 275) no Hoare annotation was computed. [2020-07-21 12:52:04,037 INFO L268 CegarLoopResult]: For program point L271-1(lines 271 275) no Hoare annotation was computed. [2020-07-21 12:52:04,037 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-21 12:52:04,037 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 286) no Hoare annotation was computed. [2020-07-21 12:52:04,037 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 240 295) no Hoare annotation was computed. [2020-07-21 12:52:04,037 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 240 295) no Hoare annotation was computed. [2020-07-21 12:52:04,037 INFO L268 CegarLoopResult]: For program point L322-2(lines 322 347) no Hoare annotation was computed. [2020-07-21 12:52:04,037 INFO L268 CegarLoopResult]: For program point L348(lines 321 349) no Hoare annotation was computed. [2020-07-21 12:52:04,038 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 296 355) no Hoare annotation was computed. [2020-07-21 12:52:04,038 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-21 12:52:04,038 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-21 12:52:04,038 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 296 355) no Hoare annotation was computed. [2020-07-21 12:52:04,038 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 296 355) no Hoare annotation was computed. [2020-07-21 12:52:04,038 INFO L268 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-07-21 12:52:04,038 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 332) no Hoare annotation was computed. [2020-07-21 12:52:04,039 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-07-21 12:52:04,039 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2020-07-21 12:52:04,039 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2020-07-21 12:52:04,039 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2020-07-21 12:52:04,039 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2020-07-21 12:52:04,039 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2020-07-21 12:52:04,040 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,040 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,040 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,040 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,040 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-21 12:52:04,041 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-21 12:52:04,041 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,041 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,041 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-21 12:52:04,041 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-21 12:52:04,041 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 12:52:04,041 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:52:04,041 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 12:52:04,041 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 12:52:04,042 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 12:52:04,043 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 12:52:04,043 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 12:52:04,043 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 12:52:04,043 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 12:52:04,043 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2020-07-21 12:52:04,043 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2020-07-21 12:52:04,043 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2020-07-21 12:52:04,043 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2020-07-21 12:52:04,043 INFO L268 CegarLoopResult]: For program point L840(lines 840 844) no Hoare annotation was computed. [2020-07-21 12:52:04,044 INFO L271 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: true [2020-07-21 12:52:04,044 INFO L268 CegarLoopResult]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2020-07-21 12:52:04,044 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2020-07-21 12:52:04,044 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-21 12:52:04,044 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2020-07-21 12:52:04,044 INFO L268 CegarLoopResult]: For program point L795(lines 795 803) no Hoare annotation was computed. [2020-07-21 12:52:04,044 INFO L268 CegarLoopResult]: For program point L795-2(lines 795 803) no Hoare annotation was computed. [2020-07-21 12:52:04,044 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-07-21 12:52:04,045 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 776 811) no Hoare annotation was computed. [2020-07-21 12:52:04,045 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2020-07-21 12:52:04,045 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 776 811) no Hoare annotation was computed. [2020-07-21 12:52:04,045 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-21 12:52:04,045 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-21 12:52:04,045 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 776 811) no Hoare annotation was computed. [2020-07-21 12:52:04,045 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2020-07-21 12:52:04,045 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2020-07-21 12:52:04,045 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 194 239) no Hoare annotation was computed. [2020-07-21 12:52:04,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 194 239) no Hoare annotation was computed. [2020-07-21 12:52:04,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 194 239) no Hoare annotation was computed. [2020-07-21 12:52:04,046 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 507 552) no Hoare annotation was computed. [2020-07-21 12:52:04,046 INFO L268 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-07-21 12:52:04,046 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 507 552) no Hoare annotation was computed. [2020-07-21 12:52:04,046 INFO L268 CegarLoopResult]: For program point L521(lines 521 541) no Hoare annotation was computed. [2020-07-21 12:52:04,046 INFO L268 CegarLoopResult]: For program point L521-1(lines 521 541) no Hoare annotation was computed. [2020-07-21 12:52:04,046 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 507 552) no Hoare annotation was computed. [2020-07-21 12:52:04,047 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,047 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,047 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-21 12:52:04,047 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-21 12:52:04,047 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2020-07-21 12:52:04,047 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2020-07-21 12:52:04,047 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-07-21 12:52:04,048 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-21 12:52:04,048 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2020-07-21 12:52:04,048 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:52:04,048 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2020-07-21 12:52:04,048 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2020-07-21 12:52:04,048 INFO L268 CegarLoopResult]: For program point L943(lines 943 949) no Hoare annotation was computed. [2020-07-21 12:52:04,048 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2020-07-21 12:52:04,048 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2020-07-21 12:52:04,048 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2020-07-21 12:52:04,048 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse4) (or .cse5 .cse1 .cse2))) [2020-07-21 12:52:04,049 INFO L268 CegarLoopResult]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2020-07-21 12:52:04,049 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not .cse0) .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse4))) [2020-07-21 12:52:04,049 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2020-07-21 12:52:04,049 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse2 (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8)))))) [2020-07-21 12:52:04,049 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not .cse0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse7) (or .cse5 .cse1 .cse6 .cse4 .cse7)))) [2020-07-21 12:52:04,050 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-07-21 12:52:04,050 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6)))) [2020-07-21 12:52:04,050 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-07-21 12:52:04,050 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-07-21 12:52:04,050 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2020-07-21 12:52:04,050 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2020-07-21 12:52:04,050 INFO L264 CegarLoopResult]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,051 INFO L268 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2020-07-21 12:52:04,051 INFO L264 CegarLoopResult]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3) (and (<= 2 ~waterLevel~0) .cse5 .cse1 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)) (and .cse4 .cse5 .cse2 .cse3))) [2020-07-21 12:52:04,051 INFO L268 CegarLoopResult]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2020-07-21 12:52:04,051 INFO L268 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2020-07-21 12:52:04,051 INFO L264 CegarLoopResult]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3) (and (<= 2 ~waterLevel~0) .cse5 .cse1 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)) (and .cse4 .cse5 .cse2 .cse3))) [2020-07-21 12:52:04,051 INFO L268 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2020-07-21 12:52:04,052 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 (not .cse2) .cse3 .cse4))) [2020-07-21 12:52:04,052 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-07-21 12:52:04,052 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2020-07-21 12:52:04,052 INFO L264 CegarLoopResult]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 (not .cse2) .cse3 .cse4))) [2020-07-21 12:52:04,052 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse3 .cse4) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 (not .cse2) .cse3 .cse4))) [2020-07-21 12:52:04,052 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-07-21 12:52:04,052 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-07-21 12:52:04,053 INFO L268 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-07-21 12:52:04,053 INFO L264 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:04,053 INFO L268 CegarLoopResult]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2020-07-21 12:52:04,053 INFO L268 CegarLoopResult]: For program point L481(lines 481 488) no Hoare annotation was computed. [2020-07-21 12:52:04,053 INFO L268 CegarLoopResult]: For program point L475(lines 475 495) no Hoare annotation was computed. [2020-07-21 12:52:04,053 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 495) no Hoare annotation was computed. [2020-07-21 12:52:04,053 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 461 506) no Hoare annotation was computed. [2020-07-21 12:52:04,053 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 461 506) no Hoare annotation was computed. [2020-07-21 12:52:04,053 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 461 506) no Hoare annotation was computed. [2020-07-21 12:52:04,054 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2020-07-21 12:52:04,054 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2020-07-21 12:52:04,054 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2020-07-21 12:52:04,054 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:52:04,054 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:52:04,054 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-21 12:52:04,054 INFO L268 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-07-21 12:52:04,055 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:52:04,055 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-21 12:52:04,055 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-07-21 12:52:04,055 INFO L268 CegarLoopResult]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2020-07-21 12:52:04,055 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:52:04,055 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2020-07-21 12:52:04,055 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-07-21 12:52:04,055 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:52:04,055 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-07-21 12:52:04,056 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-07-21 12:52:04,056 INFO L268 CegarLoopResult]: For program point L915-2(lines 915 923) no Hoare annotation was computed. [2020-07-21 12:52:04,056 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 907 929) no Hoare annotation was computed. [2020-07-21 12:52:04,056 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 907 929) no Hoare annotation was computed. [2020-07-21 12:52:04,056 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 907 929) no Hoare annotation was computed. [2020-07-21 12:52:04,056 INFO L268 CegarLoopResult]: For program point L915(lines 915 923) no Hoare annotation was computed. [2020-07-21 12:52:04,056 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 358 460) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point L446(lines 446 457) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 427) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point L428(lines 406 429) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 358 460) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point L387(lines 387 403) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point L447(lines 447 454) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point L408(lines 407 427) no Hoare annotation was computed. [2020-07-21 12:52:04,057 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-21 12:52:04,058 INFO L268 CegarLoopResult]: For program point L439-1(line 439) no Hoare annotation was computed. [2020-07-21 12:52:04,058 INFO L268 CegarLoopResult]: For program point L404(lines 404 445) no Hoare annotation was computed. [2020-07-21 12:52:04,058 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 358 460) no Hoare annotation was computed. [2020-07-21 12:52:04,058 INFO L268 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-07-21 12:52:04,058 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-21 12:52:04,058 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 964 973) no Hoare annotation was computed. [2020-07-21 12:52:04,058 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 964 973) no Hoare annotation was computed. [2020-07-21 12:52:04,058 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 964 973) no Hoare annotation was computed. [2020-07-21 12:52:04,058 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:04,059 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 12:52:04,059 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:04,059 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2020-07-21 12:52:04,059 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2020-07-21 12:52:04,059 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3 .cse4))) [2020-07-21 12:52:04,059 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2020-07-21 12:52:04,059 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2020-07-21 12:52:04,059 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-21 12:52:04,060 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2020-07-21 12:52:04,060 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-07-21 12:52:04,060 INFO L268 CegarLoopResult]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2020-07-21 12:52:04,060 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-21 12:52:04,060 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 930 938) no Hoare annotation was computed. [2020-07-21 12:52:04,060 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 930 938) no Hoare annotation was computed. [2020-07-21 12:52:04,060 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 930 938) no Hoare annotation was computed. [2020-07-21 12:52:04,060 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse4 .cse0 .cse1 (not .cse2) .cse3))) [2020-07-21 12:52:04,061 INFO L268 CegarLoopResult]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2020-07-21 12:52:04,061 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2020-07-21 12:52:04,061 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:04,061 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:52:04,061 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:04,061 INFO L264 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse7 (not .cse0)) (.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse8 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse7) (or .cse2 .cse5 .cse6 (and (= 0 ~methAndRunningLastTime~0) .cse8 .cse9)) (or .cse2 .cse6 .cse7 .cse3) (or .cse1 .cse2 .cse5 .cse6 .cse4) (or .cse0 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse10) (or .cse0 .cse2 .cse3 .cse10)))) [2020-07-21 12:52:04,061 INFO L268 CegarLoopResult]: For program point L635(lines 634 653) no Hoare annotation was computed. [2020-07-21 12:52:04,062 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse9 .cse5))) (and (or .cse0 .cse1 (not .cse2) .cse3 (and .cse4 (= 0 ~pumpRunning~0) .cse5)) (or .cse2 .cse6 .cse0 .cse3 .cse7) (or .cse0 .cse8 .cse1 (and .cse4 .cse9 .cse5)) (or .cse6 .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse0 .cse8 .cse1 .cse7) (or .cse2 .cse0 .cse8 (not (<= 2 |old(~waterLevel~0)|)) .cse10) (or .cse2 .cse0 .cse3 .cse10)))) [2020-07-21 12:52:04,062 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2020-07-21 12:52:04,062 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2020-07-21 12:52:04,062 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not .cse5)) (.cse4 (and .cse9 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse3 .cse7) (or .cse0 .cse8 (and .cse9 .cse10) .cse1) (or .cse5 .cse0 .cse10 .cse3) (or .cse6 .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse0 .cse8 .cse1 .cse7) (or .cse5 .cse0 .cse8 .cse10 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse8 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:04,062 INFO L264 CegarLoopResult]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ~pumpRunning~0))) (let ((.cse4 (and .cse12 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse12)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse8) (or .cse1 .cse3 .cse9 .cse6 (and .cse10 .cse11)) (or .cse5 .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse1 .cse2 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse1 .cse3 .cse9 .cse6 (and .cse8 .cse7)) (or .cse1 .cse2 (and (<= 2 ~waterLevel~0) .cse10 .cse11) .cse3 .cse9 (and .cse10 .cse8 .cse11))))) [2020-07-21 12:52:04,063 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 12:52:04,063 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 12:52:04,063 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-21 12:52:04,063 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 12:52:04,063 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-21 12:52:04,063 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 12:52:04,063 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-21 12:52:04,063 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-21 12:52:04,063 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 12:52:04,064 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 12:52:04,064 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2020-07-21 12:52:04,064 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2020-07-21 12:52:04,064 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2020-07-21 12:52:04,064 INFO L268 CegarLoopResult]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2020-07-21 12:52:04,064 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or .cse5 (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse4 (and .cse6 .cse3) .cse2) (or .cse5 .cse0 .cse1 .cse2 .cse6))) [2020-07-21 12:52:04,064 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2020-07-21 12:52:04,064 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 12:52:04,065 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 12:52:04,065 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:04,065 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:52:04,065 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:52:04,065 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:04,065 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-21 12:52:04,065 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse5 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3))) [2020-07-21 12:52:04,065 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-21 12:52:04,066 INFO L264 CegarLoopResult]: At program point L673(line 673) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not .cse6)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (and (<= 2 ~waterLevel~0) .cse4) .cse5) (or .cse6 .cse1 .cse5)))) [2020-07-21 12:52:04,066 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2 .cse5)))) [2020-07-21 12:52:04,066 INFO L268 CegarLoopResult]: For program point L671(lines 671 679) no Hoare annotation was computed. [2020-07-21 12:52:04,066 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse1 .cse4))) [2020-07-21 12:52:04,066 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-21 12:52:04,066 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2020-07-21 12:52:04,066 INFO L268 CegarLoopResult]: For program point L667(lines 667 684) no Hoare annotation was computed. [2020-07-21 12:52:04,067 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:04,067 INFO L268 CegarLoopResult]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2020-07-21 12:52:04,067 INFO L264 CegarLoopResult]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6))) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not .cse4)) (or .cse4 .cse1 .cse3))) [2020-07-21 12:52:04,067 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2020-07-21 12:52:04,067 INFO L268 CegarLoopResult]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2020-07-21 12:52:04,067 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0))) (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (not .cse2))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse6 .cse4 .cse0 .cse5 .cse7) (or .cse4 .cse0 .cse1 .cse8 .cse3) (or .cse6 .cse4 .cse0 .cse1 .cse7 .cse8)))) [2020-07-21 12:52:04,067 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2020-07-21 12:52:04,068 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2020-07-21 12:52:04,068 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2020-07-21 12:52:04,068 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2020-07-21 12:52:04,068 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:04,068 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2020-07-21 12:52:04,068 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:04,068 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2 .cse5)))) [2020-07-21 12:52:04,069 INFO L268 CegarLoopResult]: For program point L697(lines 697 705) no Hoare annotation was computed. [2020-07-21 12:52:04,069 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-21 12:52:04,069 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-21 12:52:04,069 INFO L268 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2020-07-21 12:52:04,069 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse1 .cse4))) [2020-07-21 12:52:04,069 INFO L268 CegarLoopResult]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2020-07-21 12:52:04,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:52:04 BoogieIcfgContainer [2020-07-21 12:52:04,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:52:04,089 INFO L168 Benchmark]: Toolchain (without parser) took 21883.84 ms. Allocated memory was 136.8 MB in the beginning and 460.3 MB in the end (delta: 323.5 MB). Free memory was 99.5 MB in the beginning and 241.1 MB in the end (delta: -141.6 MB). Peak memory consumption was 340.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:04,090 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:52:04,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.44 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.3 MB in the beginning and 169.8 MB in the end (delta: -70.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:04,091 INFO L168 Benchmark]: Boogie Preprocessor took 86.17 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 165.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:04,092 INFO L168 Benchmark]: RCFGBuilder took 1205.06 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 165.5 MB in the beginning and 192.2 MB in the end (delta: -26.7 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:04,092 INFO L168 Benchmark]: TraceAbstraction took 19805.37 ms. Allocated memory was 231.7 MB in the beginning and 460.3 MB in the end (delta: 228.6 MB). Free memory was 190.8 MB in the beginning and 241.1 MB in the end (delta: -50.4 MB). Peak memory consumption was 337.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:04,096 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.44 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.3 MB in the beginning and 169.8 MB in the end (delta: -70.5 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.17 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 165.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1205.06 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 165.5 MB in the beginning and 192.2 MB in the end (delta: -26.7 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19805.37 ms. Allocated memory was 231.7 MB in the beginning and 460.3 MB in the end (delta: 228.6 MB). Free memory was 190.8 MB in the beginning and 241.1 MB in the end (delta: -50.4 MB). Peak memory consumption was 337.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && 1 <= methaneLevelCritical) && !(0 == pumpRunning)) && splverifierCounter <= 0) && 1 <= systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2320 SDtfs, 1019 SDslu, 3664 SDs, 0 SdLazy, 1279 SolverSat, 282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1141 GetRequests, 1100 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1352occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 327 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2222 PreInvPairs, 2339 NumberOfFragments, 2823 HoareAnnotationTreeSize, 2222 FomulaSimplifications, 5367 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14425 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1144 NumberOfCodeBlocks, 1144 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1132 ConstructedInterpolants, 0 QuantifiedInterpolants, 236264 SizeOfPredicates, 28 NumberOfNonLiveVariables, 9415 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 92/92 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...