/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:51:59,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:51:59,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:51:59,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:51:59,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:51:59,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:51:59,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:51:59,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:51:59,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:51:59,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:51:59,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:51:59,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:51:59,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:51:59,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:51:59,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:51:59,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:51:59,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:51:59,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:51:59,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:51:59,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:51:59,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:51:59,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:51:59,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:51:59,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:51:59,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:51:59,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:51:59,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:51:59,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:51:59,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:51:59,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:51:59,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:51:59,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:51:59,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:51:59,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:51:59,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:51:59,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:51:59,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:51:59,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:51:59,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:51:59,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:51:59,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:51:59,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:51:59,096 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:51:59,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:51:59,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:51:59,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:51:59,099 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:51:59,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:51:59,099 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:51:59,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:51:59,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:51:59,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:51:59,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:51:59,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:51:59,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:51:59,102 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:51:59,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:51:59,102 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:51:59,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:51:59,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:51:59,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:51:59,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:51:59,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:51:59,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:51:59,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:51:59,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:51:59,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:51:59,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:51:59,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:51:59,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:51:59,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:51:59,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:51:59,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:51:59,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:51:59,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:51:59,428 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:51:59,428 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:51:59,429 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2020-07-19 22:51:59,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62680a973/6e977eed4c93473dab612a02016c8483/FLAGcdff80326 [2020-07-19 22:51:59,984 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:51:59,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2020-07-19 22:52:00,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62680a973/6e977eed4c93473dab612a02016c8483/FLAGcdff80326 [2020-07-19 22:52:00,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62680a973/6e977eed4c93473dab612a02016c8483 [2020-07-19 22:52:00,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:52:00,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:52:00,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:00,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:52:00,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:52:00,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:00" (1/1) ... [2020-07-19 22:52:00,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4ace82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:00, skipping insertion in model container [2020-07-19 22:52:00,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:00" (1/1) ... [2020-07-19 22:52:00,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:52:00,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:52:00,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:00,906 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:52:00,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:01,042 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:52:01,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01 WrapperNode [2020-07-19 22:52:01,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:01,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:52:01,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:52:01,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:52:01,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01" (1/1) ... [2020-07-19 22:52:01,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01" (1/1) ... [2020-07-19 22:52:01,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01" (1/1) ... [2020-07-19 22:52:01,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01" (1/1) ... [2020-07-19 22:52:01,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01" (1/1) ... [2020-07-19 22:52:01,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01" (1/1) ... [2020-07-19 22:52:01,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01" (1/1) ... [2020-07-19 22:52:01,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:52:01,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:52:01,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:52:01,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:52:01,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:52:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:52:01,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:52:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:52:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:52:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:52:01,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:52:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:52:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:52:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:52:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:52:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:52:01,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:52:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:52:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:52:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:52:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:52:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:52:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:52:01,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:52:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:52:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:52:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:52:01,206 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:52:01,207 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:52:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:52:01,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:52:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:52:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:52:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:52:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:52:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:52:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:52:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:52:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:52:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:52:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:52:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:52:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:52:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:52:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:52:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:52:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:52:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:52:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:52:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:52:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:52:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:52:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:52:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:52:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:52:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:52:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:52:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:52:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:52:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:52:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:52:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:52:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:52:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:52:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:52:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:52:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:52:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:52:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:52:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:52:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:52:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:52:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:52:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:52:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:52:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:52:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:52:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:52:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:52:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:52:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:52:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:52:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:52:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:52:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:52:02,305 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:52:02,305 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:52:02,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:02 BoogieIcfgContainer [2020-07-19 22:52:02,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:52:02,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:52:02,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:52:02,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:52:02,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:52:00" (1/3) ... [2020-07-19 22:52:02,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e1746f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:02, skipping insertion in model container [2020-07-19 22:52:02,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:01" (2/3) ... [2020-07-19 22:52:02,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e1746f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:02, skipping insertion in model container [2020-07-19 22:52:02,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:02" (3/3) ... [2020-07-19 22:52:02,320 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2020-07-19 22:52:02,331 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:52:02,340 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:52:02,354 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:52:02,381 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:52:02,381 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:52:02,381 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:52:02,381 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:52:02,382 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:52:02,382 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:52:02,382 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:52:02,382 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:52:02,407 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-19 22:52:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:52:02,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:02,418 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] [2020-07-19 22:52:02,419 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:02,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:02,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1582147067, now seen corresponding path program 1 times [2020-07-19 22:52:02,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:02,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204213990] [2020-07-19 22:52:02,436 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7752e17d [2020-07-19 22:52:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:03,116 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:03,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204213990] [2020-07-19 22:52:03,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:03,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:52:03,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76491020] [2020-07-19 22:52:03,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:52:03,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:03,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:52:03,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:52:03,271 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-07-19 22:52:04,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:04,322 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-07-19 22:52:04,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:52:04,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:52:04,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:04,338 INFO L225 Difference]: With dead ends: 256 [2020-07-19 22:52:04,339 INFO L226 Difference]: Without dead ends: 139 [2020-07-19 22:52:04,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:52:04,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-19 22:52:04,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-07-19 22:52:04,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-19 22:52:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-07-19 22:52:04,426 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-07-19 22:52:04,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:04,426 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-07-19 22:52:04,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:52:04,427 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-07-19 22:52:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:52:04,430 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:04,430 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] [2020-07-19 22:52:04,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:52:04,431 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:04,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:04,431 INFO L82 PathProgramCache]: Analyzing trace with hash 552512902, now seen corresponding path program 1 times [2020-07-19 22:52:04,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:04,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681198762] [2020-07-19 22:52:04,432 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7752e17d [2020-07-19 22:52:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:04,738 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:04,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681198762] [2020-07-19 22:52:04,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:04,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:52:04,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670923376] [2020-07-19 22:52:04,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:52:04,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:04,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:52:04,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:52:04,807 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-07-19 22:52:05,273 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:05,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:05,867 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-07-19 22:52:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:52:05,868 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:52:05,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:05,871 INFO L225 Difference]: With dead ends: 185 [2020-07-19 22:52:05,871 INFO L226 Difference]: Without dead ends: 123 [2020-07-19 22:52:05,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:52:05,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-19 22:52:05,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-07-19 22:52:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-19 22:52:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-07-19 22:52:05,925 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-07-19 22:52:05,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:05,925 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-07-19 22:52:05,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:52:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-07-19 22:52:05,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:52:05,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:05,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:05,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:52:05,939 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:05,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:05,941 INFO L82 PathProgramCache]: Analyzing trace with hash -482942028, now seen corresponding path program 1 times [2020-07-19 22:52:05,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:05,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064736649] [2020-07-19 22:52:05,942 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7752e17d [2020-07-19 22:52:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:06,299 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:06,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:06,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064736649] [2020-07-19 22:52:06,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:06,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:52:06,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907044995] [2020-07-19 22:52:06,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:52:06,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:06,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:52:06,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:52:06,415 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 8 states. [2020-07-19 22:52:06,842 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:07,138 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:07,374 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:07,624 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:08,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:08,490 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2020-07-19 22:52:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:52:08,491 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 22:52:08,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:08,493 INFO L225 Difference]: With dead ends: 198 [2020-07-19 22:52:08,494 INFO L226 Difference]: Without dead ends: 123 [2020-07-19 22:52:08,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:08,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-19 22:52:08,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-07-19 22:52:08,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-19 22:52:08,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-07-19 22:52:08,544 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-07-19 22:52:08,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:08,545 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-07-19 22:52:08,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:52:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-07-19 22:52:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:52:08,547 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:08,548 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] [2020-07-19 22:52:08,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:52:08,548 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:08,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:08,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1347870715, now seen corresponding path program 1 times [2020-07-19 22:52:08,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:08,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161002453] [2020-07-19 22:52:08,554 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7752e17d [2020-07-19 22:52:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:08,908 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:09,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161002453] [2020-07-19 22:52:09,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:09,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:52:09,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028658680] [2020-07-19 22:52:09,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:09,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:09,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:09,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:09,043 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 12 states. [2020-07-19 22:52:09,472 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:09,785 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:10,039 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:10,271 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:10,801 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:11,581 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:11,905 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:12,226 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:12,466 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:52:12,692 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:12,980 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:13,272 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:13,534 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:14,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:14,497 INFO L93 Difference]: Finished difference Result 380 states and 506 transitions. [2020-07-19 22:52:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:52:14,497 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-07-19 22:52:14,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:14,507 INFO L225 Difference]: With dead ends: 380 [2020-07-19 22:52:14,507 INFO L226 Difference]: Without dead ends: 305 [2020-07-19 22:52:14,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-19 22:52:14,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-07-19 22:52:14,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 236. [2020-07-19 22:52:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-19 22:52:14,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 277 transitions. [2020-07-19 22:52:14,592 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 277 transitions. Word has length 60 [2020-07-19 22:52:14,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:14,593 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 277 transitions. [2020-07-19 22:52:14,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 277 transitions. [2020-07-19 22:52:14,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-19 22:52:14,595 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:14,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:14,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:52:14,596 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:14,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:14,596 INFO L82 PathProgramCache]: Analyzing trace with hash 103284699, now seen corresponding path program 1 times [2020-07-19 22:52:14,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:14,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902628135] [2020-07-19 22:52:14,597 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7752e17d [2020-07-19 22:52:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,886 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:52:14,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902628135] [2020-07-19 22:52:14,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:14,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:52:14,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346122425] [2020-07-19 22:52:14,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:52:14,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:14,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:52:14,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:52:14,967 INFO L87 Difference]: Start difference. First operand 236 states and 277 transitions. Second operand 6 states. [2020-07-19 22:52:15,558 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:16,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:16,107 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2020-07-19 22:52:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:52:16,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-07-19 22:52:16,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:16,110 INFO L225 Difference]: With dead ends: 388 [2020-07-19 22:52:16,110 INFO L226 Difference]: Without dead ends: 176 [2020-07-19 22:52:16,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:52:16,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-19 22:52:16,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2020-07-19 22:52:16,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-19 22:52:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2020-07-19 22:52:16,149 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 68 [2020-07-19 22:52:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:16,149 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2020-07-19 22:52:16,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:52:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2020-07-19 22:52:16,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-19 22:52:16,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:16,151 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:16,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:52:16,152 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:16,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:16,152 INFO L82 PathProgramCache]: Analyzing trace with hash -621584585, now seen corresponding path program 1 times [2020-07-19 22:52:16,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:16,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738454307] [2020-07-19 22:52:16,153 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7752e17d [2020-07-19 22:52:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,467 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-19 22:52:16,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738454307] [2020-07-19 22:52:16,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910041658] [2020-07-19 22:52:16,614 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@9da7dfc No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:52:17,067 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@9da7dfc issued 3 check-sat command(s) [2020-07-19 22:52:17,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:52:17,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:52:17,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:52:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:52:17,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:52:17,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-19 22:52:17,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47624610] [2020-07-19 22:52:17,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:17,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:17,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:17,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:17,198 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 12 states. [2020-07-19 22:52:17,941 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 22:52:18,484 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:19,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:19,156 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2020-07-19 22:52:19,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:52:19,156 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2020-07-19 22:52:19,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:19,157 INFO L225 Difference]: With dead ends: 220 [2020-07-19 22:52:19,157 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:52:19,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-07-19 22:52:19,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:52:19,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:52:19,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:52:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:52:19,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-07-19 22:52:19,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:19,160 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:52:19,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:52:19,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:52:19,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 22:52:19,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:52:20,011 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-07-19 22:52:20,730 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-07-19 22:52:22,162 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:22,548 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:22,701 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:23,288 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-19 22:52:23,853 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:24,025 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-19 22:52:24,352 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:24,709 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:25,273 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-07-19 22:52:25,478 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:25,647 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:26,223 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-19 22:52:26,841 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-19 22:52:27,109 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-19 22:52:27,709 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-07-19 22:52:27,843 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:27,981 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:28,313 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:28,698 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:29,183 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-19 22:52:29,534 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:29,689 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-19 22:52:30,027 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:52:30,374 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:52:30,607 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 24 [2020-07-19 22:52:30,758 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2020-07-19 22:52:30,763 INFO L268 CegarLoopResult]: For program point L640(lines 617 641) no Hoare annotation was computed. [2020-07-19 22:52:30,763 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 593 648) no Hoare annotation was computed. [2020-07-19 22:52:30,763 INFO L268 CegarLoopResult]: For program point L624(lines 624 628) no Hoare annotation was computed. [2020-07-19 22:52:30,764 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 628) no Hoare annotation was computed. [2020-07-19 22:52:30,764 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-07-19 22:52:30,764 INFO L268 CegarLoopResult]: For program point L618-2(lines 618 639) no Hoare annotation was computed. [2020-07-19 22:52:30,764 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 593 648) no Hoare annotation was computed. [2020-07-19 22:52:30,764 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 593 648) no Hoare annotation was computed. [2020-07-19 22:52:30,765 INFO L268 CegarLoopResult]: For program point L675-2(lines 675 700) no Hoare annotation was computed. [2020-07-19 22:52:30,765 INFO L268 CegarLoopResult]: For program point L701(lines 674 702) no Hoare annotation was computed. [2020-07-19 22:52:30,765 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-07-19 22:52:30,765 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 649 708) no Hoare annotation was computed. [2020-07-19 22:52:30,765 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-07-19 22:52:30,765 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 649 708) no Hoare annotation was computed. [2020-07-19 22:52:30,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 649 708) no Hoare annotation was computed. [2020-07-19 22:52:30,766 INFO L268 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-07-19 22:52:30,766 INFO L268 CegarLoopResult]: For program point L681-1(lines 681 685) no Hoare annotation was computed. [2020-07-19 22:52:30,766 INFO L268 CegarLoopResult]: For program point L676(line 676) no Hoare annotation was computed. [2020-07-19 22:52:30,766 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 426 432) the Hoare annotation is: true [2020-07-19 22:52:30,766 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 426 432) no Hoare annotation was computed. [2020-07-19 22:52:30,767 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 433 441) no Hoare annotation was computed. [2020-07-19 22:52:30,767 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 433 441) the Hoare annotation is: true [2020-07-19 22:52:30,767 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 433 441) no Hoare annotation was computed. [2020-07-19 22:52:30,767 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 382 406) the Hoare annotation is: true [2020-07-19 22:52:30,767 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 382 406) no Hoare annotation was computed. [2020-07-19 22:52:30,767 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:30,767 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-07-19 22:52:30,767 INFO L264 CegarLoopResult]: At program point L392(line 392) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:30,767 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-07-19 22:52:30,767 INFO L268 CegarLoopResult]: For program point L390(lines 390 403) no Hoare annotation was computed. [2020-07-19 22:52:30,767 INFO L268 CegarLoopResult]: For program point L390-1(lines 382 406) no Hoare annotation was computed. [2020-07-19 22:52:30,768 INFO L271 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: true [2020-07-19 22:52:30,768 INFO L268 CegarLoopResult]: For program point L388-1(line 388) no Hoare annotation was computed. [2020-07-19 22:52:30,768 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 356 378) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:30,768 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 356 378) no Hoare annotation was computed. [2020-07-19 22:52:30,768 INFO L264 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:30,768 INFO L264 CegarLoopResult]: At program point L368-1(line 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:30,768 INFO L268 CegarLoopResult]: For program point L366(lines 366 373) no Hoare annotation was computed. [2020-07-19 22:52:30,769 INFO L268 CegarLoopResult]: For program point L366-1(lines 366 373) no Hoare annotation was computed. [2020-07-19 22:52:30,769 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 356 378) no Hoare annotation was computed. [2020-07-19 22:52:30,769 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-07-19 22:52:30,769 INFO L264 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:30,769 INFO L264 CegarLoopResult]: At program point L362(line 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:30,769 INFO L264 CegarLoopResult]: At program point L362-1(line 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:30,769 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-07-19 22:52:30,769 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-07-19 22:52:30,770 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 312 335) no Hoare annotation was computed. [2020-07-19 22:52:30,770 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-07-19 22:52:30,770 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-07-19 22:52:30,770 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-19 22:52:30,770 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 312 335) no Hoare annotation was computed. [2020-07-19 22:52:30,770 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 312 335) no Hoare annotation was computed. [2020-07-19 22:52:30,770 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-07-19 22:52:30,770 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-07-19 22:52:30,770 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-07-19 22:52:30,771 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-07-19 22:52:30,771 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-07-19 22:52:30,771 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-07-19 22:52:30,771 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-07-19 22:52:30,771 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-07-19 22:52:30,771 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-19 22:52:30,771 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2020-07-19 22:52:30,771 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2020-07-19 22:52:30,771 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2020-07-19 22:52:30,771 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2020-07-19 22:52:30,771 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L271 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: true [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-07-19 22:52:30,772 INFO L268 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 419 425) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 419 425) the Hoare annotation is: true [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 547 592) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 547 592) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 547 592) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 860 905) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 860 905) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2020-07-19 22:52:30,773 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2020-07-19 22:52:30,774 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 860 905) no Hoare annotation was computed. [2020-07-19 22:52:30,774 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 343 352) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:30,774 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 343 352) no Hoare annotation was computed. [2020-07-19 22:52:30,774 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 343 352) no Hoare annotation was computed. [2020-07-19 22:52:30,774 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 197 207) no Hoare annotation was computed. [2020-07-19 22:52:30,774 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2020-07-19 22:52:30,774 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-19 22:52:30,774 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-19 22:52:30,775 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2020-07-19 22:52:30,775 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2020-07-19 22:52:30,775 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2020-07-19 22:52:30,775 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2020-07-19 22:52:30,775 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-19 22:52:30,775 INFO L268 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2020-07-19 22:52:30,775 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 156 180) no Hoare annotation was computed. [2020-07-19 22:52:30,775 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:30,776 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:30,776 INFO L268 CegarLoopResult]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2020-07-19 22:52:30,776 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:30,776 INFO L264 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:30,776 INFO L268 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2020-07-19 22:52:30,776 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:30,776 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2020-07-19 22:52:30,777 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2020-07-19 22:52:30,777 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:30,777 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-07-19 22:52:30,777 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:30,777 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-07-19 22:52:30,777 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:30,777 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-07-19 22:52:30,777 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-07-19 22:52:30,777 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:30,778 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-19 22:52:30,778 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-07-19 22:52:30,778 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:30,778 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:30,778 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-19 22:52:30,778 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-07-19 22:52:30,778 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-07-19 22:52:30,778 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:30,778 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-07-19 22:52:30,778 INFO L268 CegarLoopResult]: For program point L828(lines 828 848) no Hoare annotation was computed. [2020-07-19 22:52:30,778 INFO L268 CegarLoopResult]: For program point L828-1(lines 828 848) no Hoare annotation was computed. [2020-07-19 22:52:30,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 814 859) no Hoare annotation was computed. [2020-07-19 22:52:30,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 814 859) no Hoare annotation was computed. [2020-07-19 22:52:30,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 814 859) no Hoare annotation was computed. [2020-07-19 22:52:30,779 INFO L268 CegarLoopResult]: For program point L834(lines 834 841) no Hoare annotation was computed. [2020-07-19 22:52:30,779 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 522 530) no Hoare annotation was computed. [2020-07-19 22:52:30,779 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 522 530) the Hoare annotation is: true [2020-07-19 22:52:30,779 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 522 530) no Hoare annotation was computed. [2020-07-19 22:52:30,779 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2020-07-19 22:52:30,779 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 490 512) no Hoare annotation was computed. [2020-07-19 22:52:30,779 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 490 512) no Hoare annotation was computed. [2020-07-19 22:52:30,780 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 490 512) no Hoare annotation was computed. [2020-07-19 22:52:30,780 INFO L268 CegarLoopResult]: For program point L498(lines 498 506) no Hoare annotation was computed. [2020-07-19 22:52:30,780 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 409 418) no Hoare annotation was computed. [2020-07-19 22:52:30,780 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 409 418) no Hoare annotation was computed. [2020-07-19 22:52:30,780 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 409 418) no Hoare annotation was computed. [2020-07-19 22:52:30,780 INFO L268 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2020-07-19 22:52:30,780 INFO L268 CegarLoopResult]: For program point L799(lines 799 810) no Hoare annotation was computed. [2020-07-19 22:52:30,780 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 711 813) no Hoare annotation was computed. [2020-07-19 22:52:30,781 INFO L268 CegarLoopResult]: For program point L762(lines 762 766) no Hoare annotation was computed. [2020-07-19 22:52:30,781 INFO L268 CegarLoopResult]: For program point L760-2(lines 760 780) no Hoare annotation was computed. [2020-07-19 22:52:30,781 INFO L268 CegarLoopResult]: For program point L781(lines 759 782) no Hoare annotation was computed. [2020-07-19 22:52:30,781 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 711 813) no Hoare annotation was computed. [2020-07-19 22:52:30,781 INFO L268 CegarLoopResult]: For program point L740(lines 740 756) no Hoare annotation was computed. [2020-07-19 22:52:30,781 INFO L268 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2020-07-19 22:52:30,781 INFO L268 CegarLoopResult]: For program point L761(lines 760 780) no Hoare annotation was computed. [2020-07-19 22:52:30,781 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-19 22:52:30,782 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-07-19 22:52:30,782 INFO L268 CegarLoopResult]: For program point L757(lines 757 798) no Hoare annotation was computed. [2020-07-19 22:52:30,782 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 711 813) no Hoare annotation was computed. [2020-07-19 22:52:30,782 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-07-19 22:52:30,782 INFO L268 CegarLoopResult]: For program point L776-1(line 776) no Hoare annotation was computed. [2020-07-19 22:52:30,782 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:30,783 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:52:30,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:30,783 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 181 188) no Hoare annotation was computed. [2020-07-19 22:52:30,783 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 181 188) no Hoare annotation was computed. [2020-07-19 22:52:30,783 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 181 188) no Hoare annotation was computed. [2020-07-19 22:52:30,783 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 513 521) the Hoare annotation is: true [2020-07-19 22:52:30,783 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 513 521) no Hoare annotation was computed. [2020-07-19 22:52:30,783 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 513 521) no Hoare annotation was computed. [2020-07-19 22:52:30,784 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 469 480) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 22:52:30,784 INFO L268 CegarLoopResult]: For program point L473-1(lines 469 480) no Hoare annotation was computed. [2020-07-19 22:52:30,784 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 469 480) no Hoare annotation was computed. [2020-07-19 22:52:30,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:30,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:52:30,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:30,784 INFO L268 CegarLoopResult]: For program point L128(lines 127 146) no Hoare annotation was computed. [2020-07-19 22:52:30,785 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:30,785 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2020-07-19 22:52:30,785 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:30,785 INFO L264 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:30,785 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2020-07-19 22:52:30,785 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 22:52:30,785 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-07-19 22:52:30,786 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2020-07-19 22:52:30,786 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-19 22:52:30,786 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2020-07-19 22:52:30,786 INFO L271 CegarLoopResult]: At program point L307(lines 282 311) the Hoare annotation is: true [2020-07-19 22:52:30,786 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-07-19 22:52:30,786 INFO L268 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-07-19 22:52:30,786 INFO L271 CegarLoopResult]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2020-07-19 22:52:30,786 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-07-19 22:52:30,787 INFO L271 CegarLoopResult]: At program point L292-2(lines 292 306) the Hoare annotation is: true [2020-07-19 22:52:30,787 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 481 489) no Hoare annotation was computed. [2020-07-19 22:52:30,787 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 481 489) no Hoare annotation was computed. [2020-07-19 22:52:30,787 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 481 489) no Hoare annotation was computed. [2020-07-19 22:52:30,787 INFO L268 CegarLoopResult]: For program point L449-1(lines 445 456) no Hoare annotation was computed. [2020-07-19 22:52:30,787 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 445 456) the Hoare annotation is: true [2020-07-19 22:52:30,787 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 445 456) no Hoare annotation was computed. [2020-07-19 22:52:30,787 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2020-07-19 22:52:30,787 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2020-07-19 22:52:30,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:30,788 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:52:30,788 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:52:30,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:30,788 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 272 279) no Hoare annotation was computed. [2020-07-19 22:52:30,788 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 272 279) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:30,789 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 272 279) no Hoare annotation was computed. [2020-07-19 22:52:30,789 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 457 468) no Hoare annotation was computed. [2020-07-19 22:52:30,789 INFO L268 CegarLoopResult]: For program point L461-1(lines 457 468) no Hoare annotation was computed. [2020-07-19 22:52:30,789 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 457 468) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:30,789 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 532 539) no Hoare annotation was computed. [2020-07-19 22:52:30,789 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2020-07-19 22:52:30,790 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 532 539) the Hoare annotation is: true [2020-07-19 22:52:30,790 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 532 539) no Hoare annotation was computed. [2020-07-19 22:52:30,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:52:30 BoogieIcfgContainer [2020-07-19 22:52:30,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:52:30,810 INFO L168 Benchmark]: Toolchain (without parser) took 30430.25 ms. Allocated memory was 145.8 MB in the beginning and 629.7 MB in the end (delta: 483.9 MB). Free memory was 102.9 MB in the beginning and 496.8 MB in the end (delta: -393.9 MB). Peak memory consumption was 503.8 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:30,811 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:52:30,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.62 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 172.4 MB in the end (delta: -70.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:30,812 INFO L168 Benchmark]: Boogie Preprocessor took 89.39 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:30,813 INFO L168 Benchmark]: RCFGBuilder took 1177.63 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.7 MB in the beginning and 199.5 MB in the end (delta: -31.9 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:30,814 INFO L168 Benchmark]: TraceAbstraction took 28495.94 ms. Allocated memory was 235.9 MB in the beginning and 629.7 MB in the end (delta: 393.7 MB). Free memory was 198.1 MB in the beginning and 496.8 MB in the end (delta: -298.7 MB). Peak memory consumption was 508.8 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:30,818 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 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.62 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 172.4 MB in the end (delta: -70.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.39 ms. Allocated memory is still 203.4 MB. Free memory was 172.4 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.63 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 167.7 MB in the beginning and 199.5 MB in the end (delta: -31.9 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28495.94 ms. Allocated memory was 235.9 MB in the beginning and 629.7 MB in the end (delta: 393.7 MB). Free memory was 198.1 MB in the beginning and 496.8 MB in the end (delta: -298.7 MB). Peak memory consumption was 508.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: 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: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 518 SDtfs, 1070 SDslu, 347 SDs, 0 SdLazy, 2250 SolverSat, 721 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 1087 HoareAnnotationTreeSize, 306 FomulaSimplifications, 48643 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 11351 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 473 NumberOfCodeBlocks, 448 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 466 ConstructedInterpolants, 0 QuantifiedInterpolants, 135009 SizeOfPredicates, 3 NumberOfNonLiveVariables, 718 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 55/64 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...