/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_spec1_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:50:38,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:50:38,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:50:38,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:50:38,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:50:38,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:50:38,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:50:38,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:50:38,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:50:38,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:50:39,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:50:39,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:50:39,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:50:39,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:50:39,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:50:39,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:50:39,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:50:39,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:50:39,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:50:39,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:50:39,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:50:39,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:50:39,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:50:39,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:50:39,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:50:39,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:50:39,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:50:39,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:50:39,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:50:39,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:50:39,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:50:39,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:50:39,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:50:39,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:50:39,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:50:39,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:50:39,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:50:39,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:50:39,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:50:39,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:50:39,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:50:39,048 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 12:50:39,082 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:50:39,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:50:39,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:50:39,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:50:39,084 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:50:39,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:50:39,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:50:39,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:50:39,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:50:39,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:50:39,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:50:39,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:50:39,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:50:39,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:50:39,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:50:39,086 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:50:39,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:50:39,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:50:39,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:50:39,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:50:39,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:50:39,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:50:39,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:50:39,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:50:39,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:50:39,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:50:39,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:39,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:50:39,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:50:39,089 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 12:50:39,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:50:39,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:50:39,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:50:39,391 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:50:39,392 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:50:39,392 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-21 12:50:39,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b93041b/677dde2adae94d54a4cfb17b72341342/FLAG2ae94ad52 [2020-07-21 12:50:40,015 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:50:40,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-21 12:50:40,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b93041b/677dde2adae94d54a4cfb17b72341342/FLAG2ae94ad52 [2020-07-21 12:50:40,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b93041b/677dde2adae94d54a4cfb17b72341342 [2020-07-21 12:50:40,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:50:40,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:50:40,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:50:40,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:50:40,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:50:40,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:50:40" (1/1) ... [2020-07-21 12:50:40,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35aee97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40, skipping insertion in model container [2020-07-21 12:50:40,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:50:40" (1/1) ... [2020-07-21 12:50:40,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:50:40,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:50:40,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:50:40,849 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:50:40,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:50:40,965 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:50:40,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40 WrapperNode [2020-07-21 12:50:40,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:50:40,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:50:40,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:50:40,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:50:40,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40" (1/1) ... [2020-07-21 12:50:40,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40" (1/1) ... [2020-07-21 12:50:41,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40" (1/1) ... [2020-07-21 12:50:41,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40" (1/1) ... [2020-07-21 12:50:41,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40" (1/1) ... [2020-07-21 12:50:41,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40" (1/1) ... [2020-07-21 12:50:41,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40" (1/1) ... [2020-07-21 12:50:41,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:50:41,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:50:41,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:50:41,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:50:41,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40" (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 12:50:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:50:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:50:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:50:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 12:50:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:50:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:50:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:50:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:50:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:50:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:50:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:50:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:50:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:50:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:50:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:50:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:50:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:50:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:50:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 12:50:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:50:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-21 12:50:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:50:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:50:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:50:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:50:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:50:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:50:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 12:50:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:50:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:50:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:50:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:50:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:50:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:50:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:50:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:50:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:50:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:50:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:50:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:50:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:50:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:50:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:50:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:50:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:50:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:50:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 12:50:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:50:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:50:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:50:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:50:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:50:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:50:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:50:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:50:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:50:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:50:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:50:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:50:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:50:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:50:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:50:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 12:50:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:50:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:50:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:50:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 12:50:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:50:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-21 12:50:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:50:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:50:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:50:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:50:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:50:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:50:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:50:41,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:50:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:50:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:50:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:50:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:50:41,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:50:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:50:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:50:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:50:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:50:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:50:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:50:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:50:41,165 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:50:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:50:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:50:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:50:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:50:42,351 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:50:42,352 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:50:42,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:42 BoogieIcfgContainer [2020-07-21 12:50:42,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:50:42,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:50:42,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:50:42,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:50:42,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:50:40" (1/3) ... [2020-07-21 12:50:42,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed17bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:42, skipping insertion in model container [2020-07-21 12:50:42,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:40" (2/3) ... [2020-07-21 12:50:42,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed17bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:42, skipping insertion in model container [2020-07-21 12:50:42,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:42" (3/3) ... [2020-07-21 12:50:42,366 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2020-07-21 12:50:42,376 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:50:42,385 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:50:42,400 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:50:42,429 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:50:42,429 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:50:42,429 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:50:42,430 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:50:42,430 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:50:42,430 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:50:42,430 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:50:42,431 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:50:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-21 12:50:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 12:50:42,461 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:42,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:42,463 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:42,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:42,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1070296044, now seen corresponding path program 1 times [2020-07-21 12:50:42,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:42,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099849631] [2020-07-21 12:50:42,476 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 12:50:42,859 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:42,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:42,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:50:42,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:42,911 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 12:50:42,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:42,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099849631] [2020-07-21 12:50:42,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:42,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:50:42,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011572986] [2020-07-21 12:50:42,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:50:42,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:42,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:50:42,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:50:42,945 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2020-07-21 12:50:42,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:42,996 INFO L93 Difference]: Finished difference Result 272 states and 341 transitions. [2020-07-21 12:50:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:50:42,998 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 12:50:42,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:43,014 INFO L225 Difference]: With dead ends: 272 [2020-07-21 12:50:43,015 INFO L226 Difference]: Without dead ends: 136 [2020-07-21 12:50:43,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:50:43,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-21 12:50:43,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-07-21 12:50:43,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-21 12:50:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2020-07-21 12:50:43,088 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2020-07-21 12:50:43,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:43,089 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2020-07-21 12:50:43,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:50:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2020-07-21 12:50:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 12:50:43,093 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:43,094 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:43,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:43,310 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:43,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:43,311 INFO L82 PathProgramCache]: Analyzing trace with hash 689119196, now seen corresponding path program 1 times [2020-07-21 12:50:43,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:43,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129843748] [2020-07-21 12:50:43,312 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 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 12:50:43,633 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:43,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:43,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:50:43,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:43,683 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 12:50:43,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:43,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129843748] [2020-07-21 12:50:43,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:43,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:43,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511278175] [2020-07-21 12:50:43,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:43,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:43,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:43,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:43,688 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 3 states. [2020-07-21 12:50:43,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:43,711 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2020-07-21 12:50:43,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:43,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 12:50:43,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:43,715 INFO L225 Difference]: With dead ends: 215 [2020-07-21 12:50:43,715 INFO L226 Difference]: Without dead ends: 127 [2020-07-21 12:50:43,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:43,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-21 12:50:43,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-21 12:50:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-21 12:50:43,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2020-07-21 12:50:43,737 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2020-07-21 12:50:43,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:43,737 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2020-07-21 12:50:43,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:43,739 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2020-07-21 12:50:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:50:43,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:43,742 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 12:50:43,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:43,958 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:43,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:43,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1659347680, now seen corresponding path program 1 times [2020-07-21 12:50:43,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:43,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414800699] [2020-07-21 12:50:43,959 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 12:50:44,243 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:44,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:44,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:50:44,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:44,279 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 12:50:44,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:44,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1414800699] [2020-07-21 12:50:44,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:44,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:44,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937980681] [2020-07-21 12:50:44,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:44,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:44,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:44,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:44,285 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 3 states. [2020-07-21 12:50:44,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:44,323 INFO L93 Difference]: Finished difference Result 331 states and 402 transitions. [2020-07-21 12:50:44,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:44,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 12:50:44,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:44,328 INFO L225 Difference]: With dead ends: 331 [2020-07-21 12:50:44,328 INFO L226 Difference]: Without dead ends: 228 [2020-07-21 12:50:44,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 12:50:44,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-07-21 12:50:44,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 224. [2020-07-21 12:50:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-21 12:50:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 271 transitions. [2020-07-21 12:50:44,357 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 271 transitions. Word has length 51 [2020-07-21 12:50:44,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:44,358 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 271 transitions. [2020-07-21 12:50:44,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:44,358 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 271 transitions. [2020-07-21 12:50:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 12:50:44,361 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:44,361 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 12:50:44,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:44,575 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:44,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:44,575 INFO L82 PathProgramCache]: Analyzing trace with hash -2103406603, now seen corresponding path program 1 times [2020-07-21 12:50:44,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:44,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872008105] [2020-07-21 12:50:44,576 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 12:50:44,978 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:44,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:44,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 12:50:44,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:45,028 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 12:50:45,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:45,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872008105] [2020-07-21 12:50:45,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:45,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:50:45,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904156924] [2020-07-21 12:50:45,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:50:45,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:45,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:50:45,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:50:45,031 INFO L87 Difference]: Start difference. First operand 224 states and 271 transitions. Second operand 6 states. [2020-07-21 12:50:45,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:45,256 INFO L93 Difference]: Finished difference Result 613 states and 761 transitions. [2020-07-21 12:50:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:50:45,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 12:50:45,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:45,261 INFO L225 Difference]: With dead ends: 613 [2020-07-21 12:50:45,262 INFO L226 Difference]: Without dead ends: 413 [2020-07-21 12:50:45,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 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 12:50:45,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-07-21 12:50:45,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 409. [2020-07-21 12:50:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-07-21 12:50:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 500 transitions. [2020-07-21 12:50:45,313 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 500 transitions. Word has length 57 [2020-07-21 12:50:45,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:45,313 INFO L479 AbstractCegarLoop]: Abstraction has 409 states and 500 transitions. [2020-07-21 12:50:45,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:50:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 500 transitions. [2020-07-21 12:50:45,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 12:50:45,319 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:45,320 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] [2020-07-21 12:50:45,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:45,537 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:45,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:45,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1216252231, now seen corresponding path program 1 times [2020-07-21 12:50:45,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:45,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746491668] [2020-07-21 12:50:45,539 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 12:50:45,883 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:45,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:45,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:50:45,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:45,922 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 12:50:45,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:45,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746491668] [2020-07-21 12:50:45,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:45,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:50:45,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760806441] [2020-07-21 12:50:45,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:50:45,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:45,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:50:45,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:50:45,925 INFO L87 Difference]: Start difference. First operand 409 states and 500 transitions. Second operand 6 states. [2020-07-21 12:50:46,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:46,198 INFO L93 Difference]: Finished difference Result 1022 states and 1294 transitions. [2020-07-21 12:50:46,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:50:46,199 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-21 12:50:46,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:46,205 INFO L225 Difference]: With dead ends: 1022 [2020-07-21 12:50:46,205 INFO L226 Difference]: Without dead ends: 637 [2020-07-21 12:50:46,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 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 12:50:46,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-07-21 12:50:46,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 625. [2020-07-21 12:50:46,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-07-21 12:50:46,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 762 transitions. [2020-07-21 12:50:46,250 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 762 transitions. Word has length 61 [2020-07-21 12:50:46,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:46,251 INFO L479 AbstractCegarLoop]: Abstraction has 625 states and 762 transitions. [2020-07-21 12:50:46,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:50:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 762 transitions. [2020-07-21 12:50:46,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 12:50:46,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:46,254 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:46,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:46,470 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:46,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:46,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1403376364, now seen corresponding path program 1 times [2020-07-21 12:50:46,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:46,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734139401] [2020-07-21 12:50:46,473 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 12:50:46,734 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:46,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:46,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:50:46,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:50:46,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:46,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734139401] [2020-07-21 12:50:46,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:46,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:46,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429522703] [2020-07-21 12:50:46,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:46,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:46,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:46,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:46,778 INFO L87 Difference]: Start difference. First operand 625 states and 762 transitions. Second operand 3 states. [2020-07-21 12:50:46,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:46,840 INFO L93 Difference]: Finished difference Result 1811 states and 2362 transitions. [2020-07-21 12:50:46,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:46,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-21 12:50:46,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:46,849 INFO L225 Difference]: With dead ends: 1811 [2020-07-21 12:50:46,849 INFO L226 Difference]: Without dead ends: 1210 [2020-07-21 12:50:46,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 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 12:50:46,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2020-07-21 12:50:46,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1207. [2020-07-21 12:50:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-07-21 12:50:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1538 transitions. [2020-07-21 12:50:46,946 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1538 transitions. Word has length 98 [2020-07-21 12:50:46,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:46,947 INFO L479 AbstractCegarLoop]: Abstraction has 1207 states and 1538 transitions. [2020-07-21 12:50:46,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:46,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1538 transitions. [2020-07-21 12:50:46,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-21 12:50:46,951 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:46,951 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:47,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:47,163 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:47,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:47,164 INFO L82 PathProgramCache]: Analyzing trace with hash -25064475, now seen corresponding path program 1 times [2020-07-21 12:50:47,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:47,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124196773] [2020-07-21 12:50:47,165 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 12:50:47,421 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:47,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:47,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 12:50:47,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:47,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:50:47,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:47,503 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124196773] [2020-07-21 12:50:47,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:47,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:50:47,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114985979] [2020-07-21 12:50:47,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:50:47,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:47,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:50:47,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:50:47,505 INFO L87 Difference]: Start difference. First operand 1207 states and 1538 transitions. Second operand 6 states. [2020-07-21 12:50:48,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:48,609 INFO L93 Difference]: Finished difference Result 4054 states and 5538 transitions. [2020-07-21 12:50:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 12:50:48,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2020-07-21 12:50:48,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:48,632 INFO L225 Difference]: With dead ends: 4054 [2020-07-21 12:50:48,632 INFO L226 Difference]: Without dead ends: 2871 [2020-07-21 12:50:48,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 12:50:48,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2020-07-21 12:50:48,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2637. [2020-07-21 12:50:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2637 states. [2020-07-21 12:50:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 3472 transitions. [2020-07-21 12:50:48,825 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 3472 transitions. Word has length 102 [2020-07-21 12:50:48,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:48,825 INFO L479 AbstractCegarLoop]: Abstraction has 2637 states and 3472 transitions. [2020-07-21 12:50:48,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:50:48,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 3472 transitions. [2020-07-21 12:50:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 12:50:48,829 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:48,830 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:49,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:49,044 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:49,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:49,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1411135723, now seen corresponding path program 1 times [2020-07-21 12:50:49,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:49,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437495858] [2020-07-21 12:50:49,045 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 12:50:49,338 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:49,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:49,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:50:49,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:50:49,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:49,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437495858] [2020-07-21 12:50:49,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:49,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 12:50:49,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091782689] [2020-07-21 12:50:49,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 12:50:49,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:49,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 12:50:49,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:50:49,418 INFO L87 Difference]: Start difference. First operand 2637 states and 3472 transitions. Second operand 8 states. [2020-07-21 12:50:49,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:49,835 INFO L93 Difference]: Finished difference Result 5078 states and 6758 transitions. [2020-07-21 12:50:49,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:50:49,836 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-21 12:50:49,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:49,855 INFO L225 Difference]: With dead ends: 5078 [2020-07-21 12:50:49,855 INFO L226 Difference]: Without dead ends: 2465 [2020-07-21 12:50:49,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 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 12:50:49,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2465 states. [2020-07-21 12:50:50,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 2465. [2020-07-21 12:50:50,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2465 states. [2020-07-21 12:50:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3168 transitions. [2020-07-21 12:50:50,022 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3168 transitions. Word has length 98 [2020-07-21 12:50:50,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:50,023 INFO L479 AbstractCegarLoop]: Abstraction has 2465 states and 3168 transitions. [2020-07-21 12:50:50,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 12:50:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3168 transitions. [2020-07-21 12:50:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-21 12:50:50,028 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:50,029 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-07-21 12:50:50,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:50,242 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:50,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:50,243 INFO L82 PathProgramCache]: Analyzing trace with hash 564747198, now seen corresponding path program 1 times [2020-07-21 12:50:50,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:50,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027269135] [2020-07-21 12:50:50,243 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 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 12:50:50,484 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 12:50:50,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:50,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:50:50,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 12:50:50,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:50,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027269135] [2020-07-21 12:50:50,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:50,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:50,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531380018] [2020-07-21 12:50:50,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:50,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:50,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:50,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:50,518 INFO L87 Difference]: Start difference. First operand 2465 states and 3168 transitions. Second operand 3 states. [2020-07-21 12:50:50,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:50,646 INFO L93 Difference]: Finished difference Result 2914 states and 3722 transitions. [2020-07-21 12:50:50,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:50,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-07-21 12:50:50,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:50,657 INFO L225 Difference]: With dead ends: 2914 [2020-07-21 12:50:50,658 INFO L226 Difference]: Without dead ends: 1185 [2020-07-21 12:50:50,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 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 12:50:50,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2020-07-21 12:50:50,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2020-07-21 12:50:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2020-07-21 12:50:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1481 transitions. [2020-07-21 12:50:50,752 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1481 transitions. Word has length 131 [2020-07-21 12:50:50,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:50,753 INFO L479 AbstractCegarLoop]: Abstraction has 1185 states and 1481 transitions. [2020-07-21 12:50:50,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1481 transitions. [2020-07-21 12:50:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 12:50:50,764 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:50,765 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-21 12:50:50,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:50,980 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:50,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:50,980 INFO L82 PathProgramCache]: Analyzing trace with hash 65609733, now seen corresponding path program 1 times [2020-07-21 12:50:50,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:50,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852876104] [2020-07-21 12:50:50,982 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 12:50:51,287 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:51,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:51,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:50:51,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 12:50:51,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:51,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852876104] [2020-07-21 12:50:51,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:51,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 12:50:51,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582123853] [2020-07-21 12:50:51,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 12:50:51,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:51,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 12:50:51,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:50:51,380 INFO L87 Difference]: Start difference. First operand 1185 states and 1481 transitions. Second operand 8 states. [2020-07-21 12:50:51,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:51,824 INFO L93 Difference]: Finished difference Result 2219 states and 2807 transitions. [2020-07-21 12:50:51,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:50:51,825 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2020-07-21 12:50:51,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:51,827 INFO L225 Difference]: With dead ends: 2219 [2020-07-21 12:50:51,828 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:50:51,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 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 12:50:51,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:50:51,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:50:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:50:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:50:51,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-21 12:50:51,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:51,836 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:50:51,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 12:50:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:50:51,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:50:52,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:52,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:50:54,579 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 20 [2020-07-21 12:50:55,126 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2020-07-21 12:50:55,356 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 23 [2020-07-21 12:50:55,891 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 41 [2020-07-21 12:50:56,003 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 18 [2020-07-21 12:50:56,266 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2020-07-21 12:50:56,609 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 18 [2020-07-21 12:50:56,715 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 21 [2020-07-21 12:50:56,896 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 15 [2020-07-21 12:50:57,176 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 18 [2020-07-21 12:50:57,421 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 30 [2020-07-21 12:50:57,861 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2020-07-21 12:50:58,111 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2020-07-21 12:50:58,262 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-07-21 12:50:58,367 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 20 [2020-07-21 12:50:58,896 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 28 [2020-07-21 12:50:58,985 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 12:50:58,985 INFO L268 CegarLoopResult]: For program point L576-2(lines 576 597) no Hoare annotation was computed. [2020-07-21 12:50:58,985 INFO L268 CegarLoopResult]: For program point L598(lines 575 599) no Hoare annotation was computed. [2020-07-21 12:50:58,985 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 551 606) no Hoare annotation was computed. [2020-07-21 12:50:58,986 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 551 606) no Hoare annotation was computed. [2020-07-21 12:50:58,986 INFO L268 CegarLoopResult]: For program point L582(lines 582 586) no Hoare annotation was computed. [2020-07-21 12:50:58,986 INFO L268 CegarLoopResult]: For program point L582-1(lines 582 586) no Hoare annotation was computed. [2020-07-21 12:50:58,986 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 551 606) no Hoare annotation was computed. [2020-07-21 12:50:58,986 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-21 12:50:58,986 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 643) no Hoare annotation was computed. [2020-07-21 12:50:58,986 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-07-21 12:50:58,987 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 658) no Hoare annotation was computed. [2020-07-21 12:50:58,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 607 666) no Hoare annotation was computed. [2020-07-21 12:50:58,987 INFO L268 CegarLoopResult]: For program point L659(lines 632 660) no Hoare annotation was computed. [2020-07-21 12:50:58,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 607 666) no Hoare annotation was computed. [2020-07-21 12:50:58,987 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-07-21 12:50:58,987 INFO L268 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-07-21 12:50:58,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 607 666) no Hoare annotation was computed. [2020-07-21 12:50:58,987 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 12:50:58,987 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 12:50:58,987 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2020-07-21 12:50:58,988 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2020-07-21 12:50:58,988 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2020-07-21 12:50:58,988 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:58,988 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2020-07-21 12:50:58,988 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:58,988 INFO L264 CegarLoopResult]: At program point L949-1(line 949) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:58,988 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-21 12:50:58,989 INFO L268 CegarLoopResult]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2020-07-21 12:50:58,989 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-07-21 12:50:58,989 INFO L264 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:58,989 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:58,989 INFO L264 CegarLoopResult]: At program point L943-1(line 943) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:58,989 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 896 919) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 896 919) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 896 919) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-21 12:50:58,990 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-21 12:50:58,991 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-07-21 12:50:58,991 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-21 12:50:58,991 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-07-21 12:50:58,991 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-21 12:50:58,991 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-07-21 12:50:58,991 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-21 12:50:58,991 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-21 12:50:58,991 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:50:58,991 INFO L268 CegarLoopResult]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2020-07-21 12:50:58,991 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 12:50:58,992 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 12:50:58,992 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2020-07-21 12:50:58,992 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 12:50:58,992 INFO L268 CegarLoopResult]: For program point L264(lines 264 272) no Hoare annotation was computed. [2020-07-21 12:50:58,992 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 12:50:58,992 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-07-21 12:50:58,992 INFO L268 CegarLoopResult]: For program point L260(lines 260 277) no Hoare annotation was computed. [2020-07-21 12:50:58,992 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2020-07-21 12:50:58,992 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse3 (not (= 0 |old(~systemActive~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (<= 1 ~systemActive~0)) (.cse6 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse1 .cse7) (or .cse1 .cse2 .cse7) (or .cse2 .cse5 .cse6))) [2020-07-21 12:50:58,993 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse0) (or .cse1 .cse3 .cse4))) [2020-07-21 12:50:58,993 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2020-07-21 12:50:58,993 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-07-21 12:50:58,993 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2020-07-21 12:50:58,993 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2020-07-21 12:50:58,993 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2020-07-21 12:50:58,993 INFO L268 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-07-21 12:50:58,994 INFO L268 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-07-21 12:50:58,994 INFO L268 CegarLoopResult]: For program point L367(lines 367 375) no Hoare annotation was computed. [2020-07-21 12:50:58,994 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 360 395) no Hoare annotation was computed. [2020-07-21 12:50:58,994 INFO L268 CegarLoopResult]: For program point L367-2(lines 367 375) no Hoare annotation was computed. [2020-07-21 12:50:58,994 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 360 395) no Hoare annotation was computed. [2020-07-21 12:50:58,994 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-21 12:50:58,994 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-21 12:50:58,994 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 360 395) no Hoare annotation was computed. [2020-07-21 12:50:58,995 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2020-07-21 12:50:58,995 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2020-07-21 12:50:58,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 505 550) no Hoare annotation was computed. [2020-07-21 12:50:58,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 505 550) no Hoare annotation was computed. [2020-07-21 12:50:58,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 505 550) no Hoare annotation was computed. [2020-07-21 12:50:58,995 INFO L268 CegarLoopResult]: For program point L832(lines 832 852) no Hoare annotation was computed. [2020-07-21 12:50:58,995 INFO L268 CegarLoopResult]: For program point L832-1(lines 832 852) no Hoare annotation was computed. [2020-07-21 12:50:58,995 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 818 863) no Hoare annotation was computed. [2020-07-21 12:50:58,996 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 818 863) no Hoare annotation was computed. [2020-07-21 12:50:58,996 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-07-21 12:50:58,996 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 818 863) no Hoare annotation was computed. [2020-07-21 12:50:58,996 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:58,996 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2020-07-21 12:50:58,996 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2020-07-21 12:50:58,996 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2020-07-21 12:50:58,996 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2020-07-21 12:50:58,997 INFO L271 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: true [2020-07-21 12:50:58,997 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-21 12:50:58,997 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2020-07-21 12:50:58,997 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: true [2020-07-21 12:50:58,997 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2020-07-21 12:50:58,997 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2020-07-21 12:50:58,997 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-07-21 12:50:58,997 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2020-07-21 12:50:58,998 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2020-07-21 12:50:58,998 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2020-07-21 12:50:58,998 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:50:58,998 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-21 12:50:58,998 INFO L268 CegarLoopResult]: For program point L286(lines 286 303) no Hoare annotation was computed. [2020-07-21 12:50:58,998 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2020-07-21 12:50:58,998 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 12:50:58,999 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-21 12:50:58,999 INFO L268 CegarLoopResult]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2020-07-21 12:50:58,999 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-21 12:50:58,999 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)))) [2020-07-21 12:50:58,999 INFO L268 CegarLoopResult]: For program point L290(lines 290 298) no Hoare annotation was computed. [2020-07-21 12:50:58,999 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2020-07-21 12:50:58,999 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2020-07-21 12:50:59,000 INFO L264 CegarLoopResult]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:59,000 INFO L268 CegarLoopResult]: For program point L444(lines 444 448) no Hoare annotation was computed. [2020-07-21 12:50:59,000 INFO L268 CegarLoopResult]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2020-07-21 12:50:59,000 INFO L264 CegarLoopResult]: At program point L490(lines 441 491) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:59,000 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse1) (and .cse3 .cse5 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse1 .cse2) (and .cse0 .cse5 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:50:59,000 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-21 12:50:59,001 INFO L264 CegarLoopResult]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse5 .cse1) (and .cse3 .cse4 .cse5 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:50:59,001 INFO L268 CegarLoopResult]: For program point L443(lines 442 489) no Hoare annotation was computed. [2020-07-21 12:50:59,001 INFO L268 CegarLoopResult]: For program point L472(lines 472 485) no Hoare annotation was computed. [2020-07-21 12:50:59,001 INFO L264 CegarLoopResult]: At program point L464(line 464) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse4 .cse1) (and .cse3 .cse5 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:50:59,001 INFO L268 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-07-21 12:50:59,001 INFO L268 CegarLoopResult]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2020-07-21 12:50:59,002 INFO L264 CegarLoopResult]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse4 .cse1) (and .cse3 .cse5 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:50:59,002 INFO L264 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse4 .cse1) (and .cse3 .cse5 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:50:59,002 INFO L268 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2020-07-21 12:50:59,002 INFO L268 CegarLoopResult]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2020-07-21 12:50:59,002 INFO L268 CegarLoopResult]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2020-07-21 12:50:59,002 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 772 817) no Hoare annotation was computed. [2020-07-21 12:50:59,002 INFO L268 CegarLoopResult]: For program point L792(lines 792 799) no Hoare annotation was computed. [2020-07-21 12:50:59,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 772 817) no Hoare annotation was computed. [2020-07-21 12:50:59,003 INFO L268 CegarLoopResult]: For program point L786(lines 786 806) no Hoare annotation was computed. [2020-07-21 12:50:59,003 INFO L268 CegarLoopResult]: For program point L786-1(lines 786 806) no Hoare annotation was computed. [2020-07-21 12:50:59,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 772 817) no Hoare annotation was computed. [2020-07-21 12:50:59,003 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:59,003 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2020-07-21 12:50:59,003 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2020-07-21 12:50:59,003 INFO L268 CegarLoopResult]: For program point L177(lines 177 185) no Hoare annotation was computed. [2020-07-21 12:50:59,003 INFO L268 CegarLoopResult]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2020-07-21 12:50:59,004 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 169 191) no Hoare annotation was computed. [2020-07-21 12:50:59,004 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 169 191) no Hoare annotation was computed. [2020-07-21 12:50:59,004 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 169 191) no Hoare annotation was computed. [2020-07-21 12:50:59,004 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 82 91) no Hoare annotation was computed. [2020-07-21 12:50:59,004 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 82 91) no Hoare annotation was computed. [2020-07-21 12:50:59,004 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 82 91) no Hoare annotation was computed. [2020-07-21 12:50:59,004 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 669 771) no Hoare annotation was computed. [2020-07-21 12:50:59,004 INFO L268 CegarLoopResult]: For program point L698(lines 698 714) no Hoare annotation was computed. [2020-07-21 12:50:59,004 INFO L268 CegarLoopResult]: For program point L758(lines 758 765) no Hoare annotation was computed. [2020-07-21 12:50:59,005 INFO L268 CegarLoopResult]: For program point L719(lines 718 738) no Hoare annotation was computed. [2020-07-21 12:50:59,005 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-07-21 12:50:59,005 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-21 12:50:59,005 INFO L268 CegarLoopResult]: For program point L715(lines 715 756) no Hoare annotation was computed. [2020-07-21 12:50:59,005 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 669 771) no Hoare annotation was computed. [2020-07-21 12:50:59,005 INFO L268 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-07-21 12:50:59,005 INFO L268 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-07-21 12:50:59,005 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-21 12:50:59,006 INFO L268 CegarLoopResult]: For program point L757(lines 757 768) no Hoare annotation was computed. [2020-07-21 12:50:59,006 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 669 771) no Hoare annotation was computed. [2020-07-21 12:50:59,006 INFO L268 CegarLoopResult]: For program point L720(lines 720 724) no Hoare annotation was computed. [2020-07-21 12:50:59,006 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 738) no Hoare annotation was computed. [2020-07-21 12:50:59,006 INFO L268 CegarLoopResult]: For program point L739(lines 717 740) no Hoare annotation was computed. [2020-07-21 12:50:59,006 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:50:59,006 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= |old(~waterLevel~0)| ~waterLevel~0) [2020-07-21 12:50:59,006 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:50:59,007 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 12:50:59,007 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-07-21 12:50:59,007 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2020-07-21 12:50:59,007 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 315 331) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-21 12:50:59,007 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:50:59,007 INFO L268 CegarLoopResult]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2020-07-21 12:50:59,007 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-07-21 12:50:59,008 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 192 200) no Hoare annotation was computed. [2020-07-21 12:50:59,008 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-21 12:50:59,008 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-21 12:50:59,008 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2020-07-21 12:50:59,008 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2020-07-21 12:50:59,008 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-07-21 12:50:59,008 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2020-07-21 12:50:59,008 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-21 12:50:59,009 INFO L268 CegarLoopResult]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2020-07-21 12:50:59,009 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-21 12:50:59,009 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 148 159) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse6))) [2020-07-21 12:50:59,009 INFO L268 CegarLoopResult]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2020-07-21 12:50:59,009 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2020-07-21 12:50:59,009 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:50:59,009 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:50:59,009 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:50:59,010 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2020-07-21 12:50:59,010 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2020-07-21 12:50:59,010 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2020-07-21 12:50:59,010 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and .cse3 .cse7)) (.cse8 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse7) (or .cse4 .cse1 .cse8 .cse2 .cse6) (or .cse0 .cse2 .cse5 .cse3) (or .cse4 .cse8 .cse2 .cse5 .cse6) (or .cse1 .cse9 .cse8 .cse2) (or .cse9 .cse8 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse6) (or .cse0 .cse1 .cse7)))) [2020-07-21 12:50:59,010 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse4 (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (<= 1 ~waterLevel~0)) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse6 .cse3 .cse5 .cse7) (or .cse3 .cse0 .cse8 .cse9) (or .cse3 .cse0 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse3 .cse5 .cse8 .cse9) (or .cse6 .cse3 .cse0 .cse7))) [2020-07-21 12:50:59,011 INFO L264 CegarLoopResult]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (<= ~waterLevel~0 1)) (.cse9 (and .cse5 .cse8)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (<= 1 ~waterLevel~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (and .cse5 .cse3)) (or .cse0 .cse4 .cse6 .cse7 .cse3) (or .cse0 .cse6 .cse7 .cse2 .cse3) (or .cse1 .cse7 .cse2 .cse8) (or .cse4 .cse9 .cse6 .cse7) (or .cse9 .cse6 .cse7 .cse2) (or .cse1 .cse4 .cse7 .cse8) (or .cse1 .cse4 .cse10 (and .cse11 .cse5)) (or .cse1 .cse2 .cse11 .cse10)))) [2020-07-21 12:50:59,011 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2020-07-21 12:50:59,011 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2020-07-21 12:50:59,011 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse7) (or .cse0 .cse2 .cse5) (or .cse3 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse6) (or .cse0 .cse1 .cse7))) [2020-07-21 12:50:59,011 INFO L268 CegarLoopResult]: For program point L228(lines 227 246) no Hoare annotation was computed. [2020-07-21 12:50:59,011 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2020-07-21 12:50:59,011 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2020-07-21 12:50:59,012 INFO L271 CegarLoopResult]: At program point L891(lines 866 895) the Hoare annotation is: true [2020-07-21 12:50:59,012 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-21 12:50:59,012 INFO L268 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2020-07-21 12:50:59,012 INFO L271 CegarLoopResult]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2020-07-21 12:50:59,012 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-21 12:50:59,012 INFO L271 CegarLoopResult]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2020-07-21 12:50:59,012 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-21 12:50:59,012 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-21 12:50:59,012 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2020-07-21 12:50:59,013 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse5 .cse4))) [2020-07-21 12:50:59,013 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2020-07-21 12:50:59,013 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2020-07-21 12:50:59,013 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2020-07-21 12:50:59,013 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:50:59,013 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:50:59,013 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:50:59,013 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:50:59,014 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2020-07-21 12:50:59,014 INFO L268 CegarLoopResult]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2020-07-21 12:50:59,014 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse4 .cse0 .cse7 .cse6) (or .cse0 .cse7 .cse3) (or .cse5 .cse7 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse6 .cse2) (or .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse5 .cse7 .cse6 .cse2))) [2020-07-21 12:50:59,014 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2020-07-21 12:50:59,014 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-07-21 12:50:59,014 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2020-07-21 12:50:59,015 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2020-07-21 12:50:59,015 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-21 12:50:59,015 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 .cse4) (or .cse1 .cse3 .cse2))) [2020-07-21 12:50:59,015 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-21 12:50:59,015 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-21 12:50:59,015 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or (not (<= 1 ~systemActive~0)) .cse0))) [2020-07-21 12:50:59,015 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-21 12:50:59,015 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-21 12:50:59,015 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-21 12:50:59,016 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-21 12:50:59,016 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-21 12:50:59,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:50:59 BoogieIcfgContainer [2020-07-21 12:50:59,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:50:59,037 INFO L168 Benchmark]: Toolchain (without parser) took 18729.02 ms. Allocated memory was 146.3 MB in the beginning and 475.0 MB in the end (delta: 328.7 MB). Free memory was 103.1 MB in the beginning and 342.6 MB in the end (delta: -239.5 MB). Peak memory consumption was 343.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:59,037 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 12:50:59,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.56 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.7 MB in the beginning and 171.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:59,039 INFO L168 Benchmark]: Boogie Preprocessor took 94.64 ms. Allocated memory is still 203.9 MB. Free memory was 171.2 MB in the beginning and 167.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:59,040 INFO L168 Benchmark]: RCFGBuilder took 1296.11 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 193.5 MB in the end (delta: -26.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:59,041 INFO L168 Benchmark]: TraceAbstraction took 16676.20 ms. Allocated memory was 235.4 MB in the beginning and 475.0 MB in the end (delta: 239.6 MB). Free memory was 193.5 MB in the beginning and 342.6 MB in the end (delta: -149.1 MB). Peak memory consumption was 345.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:59,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.56 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.7 MB in the beginning and 171.2 MB in the end (delta: -68.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.64 ms. Allocated memory is still 203.9 MB. Free memory was 171.2 MB in the beginning and 167.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1296.11 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 193.5 MB in the end (delta: -26.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16676.20 ms. Allocated memory was 235.4 MB in the beginning and 475.0 MB in the end (delta: 239.6 MB). Free memory was 193.5 MB in the beginning and 342.6 MB in the end (delta: -149.1 MB). Peak memory consumption was 345.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) || (((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(\old(waterLevel) <= 1)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((1 <= methaneLevelCritical && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1902 SDtfs, 969 SDslu, 2717 SDs, 0 SdLazy, 1251 SolverSat, 226 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 837 GetRequests, 798 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2637occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 257 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4268 PreInvPairs, 4545 NumberOfFragments, 2167 HoareAnnotationTreeSize, 4268 FomulaSimplifications, 4398 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 16654 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 840 NumberOfCodeBlocks, 775 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 830 ConstructedInterpolants, 0 QuantifiedInterpolants, 136216 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7227 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 82/82 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...