/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_spec3_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:49:54,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:49:54,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:49:54,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:49:54,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:49:54,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:49:54,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:49:54,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:49:54,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:49:54,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:49:54,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:49:54,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:49:54,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:49:54,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:49:54,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:49:54,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:49:54,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:49:54,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:49:54,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:49:54,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:49:54,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:49:54,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:49:54,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:49:54,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:49:54,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:49:54,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:49:54,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:49:54,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:49:54,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:49:54,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:49:54,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:49:54,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:49:54,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:49:54,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:49:54,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:49:54,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:49:54,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:49:54,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:49:54,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:49:54,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:49:54,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:49:54,094 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 22:49:54,108 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:49:54,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:49:54,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:49:54,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:49:54,110 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:49:54,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:49:54,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:49:54,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:49:54,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:49:54,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:49:54,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:49:54,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:49:54,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:49:54,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:49:54,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:49:54,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:49:54,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:49:54,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:49:54,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:49:54,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:49:54,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:49:54,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:49:54,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:49:54,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:49:54,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:49:54,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:49:54,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:49:54,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:49:54,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:49:54,114 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 22:49:54,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:49:54,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:49:54,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:49:54,406 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:49:54,407 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:49:54,407 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c [2020-07-19 22:49:54,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4570c39/89f9f5257e6a40f3ad5b7cba9f9afc6d/FLAGef4941e5a [2020-07-19 22:49:55,021 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:49:55,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c [2020-07-19 22:49:55,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4570c39/89f9f5257e6a40f3ad5b7cba9f9afc6d/FLAGef4941e5a [2020-07-19 22:49:55,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4570c39/89f9f5257e6a40f3ad5b7cba9f9afc6d [2020-07-19 22:49:55,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:49:55,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:49:55,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:49:55,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:49:55,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:49:55,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:55" (1/1) ... [2020-07-19 22:49:55,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125eb49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:55, skipping insertion in model container [2020-07-19 22:49:55,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:49:55" (1/1) ... [2020-07-19 22:49:55,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:49:55,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:49:55,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:49:55,913 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:49:55,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:49:56,033 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:49:56,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56 WrapperNode [2020-07-19 22:49:56,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:49:56,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:49:56,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:49:56,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:49:56,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56" (1/1) ... [2020-07-19 22:49:56,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56" (1/1) ... [2020-07-19 22:49:56,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56" (1/1) ... [2020-07-19 22:49:56,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56" (1/1) ... [2020-07-19 22:49:56,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56" (1/1) ... [2020-07-19 22:49:56,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56" (1/1) ... [2020-07-19 22:49:56,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56" (1/1) ... [2020-07-19 22:49:56,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:49:56,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:49:56,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:49:56,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:49:56,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56" (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 22:49:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:49:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:49:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:49:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:49:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:49:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:49:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:49:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:49:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:49:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:49:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:49:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:49:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:49:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:49:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:49:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:49:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:49:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:49:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:49:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:49:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:49:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:49:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-19 22:49:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:49:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:49:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:49:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:49:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:49:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:49:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:49:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:49:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:49:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:49:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:49:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:49:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:49:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:49:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:49:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:49:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:49:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:49:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:49:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:49:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:49:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:49:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:49:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:49:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:49:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:49:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:49:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:49:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:49:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:49:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:49:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:49:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:49:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:49:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:49:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:49:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:49:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-19 22:49:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:49:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:49:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:49:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:49:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:49:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:49:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:49:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:49:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:49:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:49:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:49:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:49:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:49:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:49:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:49:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:49:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:49:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:49:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:49:57,365 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:49:57,365 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:49:57,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:57 BoogieIcfgContainer [2020-07-19 22:49:57,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:49:57,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:49:57,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:49:57,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:49:57,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:49:55" (1/3) ... [2020-07-19 22:49:57,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca40a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:57, skipping insertion in model container [2020-07-19 22:49:57,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:49:56" (2/3) ... [2020-07-19 22:49:57,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca40a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:49:57, skipping insertion in model container [2020-07-19 22:49:57,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:49:57" (3/3) ... [2020-07-19 22:49:57,379 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2020-07-19 22:49:57,389 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:49:57,397 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:49:57,411 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:49:57,436 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:49:57,436 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:49:57,437 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:49:57,437 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:49:57,437 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:49:57,437 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:49:57,438 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:49:57,438 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:49:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-07-19 22:49:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:49:57,470 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:57,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:49:57,471 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:57,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:57,476 INFO L82 PathProgramCache]: Analyzing trace with hash 269315160, now seen corresponding path program 1 times [2020-07-19 22:49:57,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:57,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657196564] [2020-07-19 22:49:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a16a8e9 [2020-07-19 22:49:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:58,161 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:58,274 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 22:49:58,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657196564] [2020-07-19 22:49:58,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:58,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:49:58,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651051102] [2020-07-19 22:49:58,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:49:58,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:58,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:49:58,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:49:58,301 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 3 states. [2020-07-19 22:49:59,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:49:59,299 INFO L93 Difference]: Finished difference Result 249 states and 331 transitions. [2020-07-19 22:49:59,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:49:59,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 22:49:59,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:49:59,318 INFO L225 Difference]: With dead ends: 249 [2020-07-19 22:49:59,318 INFO L226 Difference]: Without dead ends: 135 [2020-07-19 22:49:59,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 22:49:59,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-19 22:49:59,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105. [2020-07-19 22:49:59,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-19 22:49:59,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 123 transitions. [2020-07-19 22:49:59,409 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 123 transitions. Word has length 52 [2020-07-19 22:49:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:49:59,410 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 123 transitions. [2020-07-19 22:49:59,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:49:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2020-07-19 22:49:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 22:49:59,413 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:49:59,414 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] [2020-07-19 22:49:59,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:49:59,414 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:49:59,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:49:59,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1813296693, now seen corresponding path program 1 times [2020-07-19 22:49:59,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:49:59,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953181167] [2020-07-19 22:49:59,415 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a16a8e9 [2020-07-19 22:49:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:59,751 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:49:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:49:59,792 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 22:49:59,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953181167] [2020-07-19 22:49:59,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:49:59,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:49:59,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682286098] [2020-07-19 22:49:59,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:49:59,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:49:59,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:49:59,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:49:59,796 INFO L87 Difference]: Start difference. First operand 105 states and 123 transitions. Second operand 4 states. [2020-07-19 22:50:00,211 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:50:00,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:00,812 INFO L93 Difference]: Finished difference Result 182 states and 222 transitions. [2020-07-19 22:50:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:50:00,813 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 22:50:00,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:00,818 INFO L225 Difference]: With dead ends: 182 [2020-07-19 22:50:00,818 INFO L226 Difference]: Without dead ends: 119 [2020-07-19 22:50:00,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 22:50:00,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-19 22:50:00,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 96. [2020-07-19 22:50:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-19 22:50:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2020-07-19 22:50:00,854 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 53 [2020-07-19 22:50:00,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:00,855 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2020-07-19 22:50:00,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:50:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2020-07-19 22:50:00,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:50:00,857 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:00,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:00,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:50:00,858 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:00,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:00,858 INFO L82 PathProgramCache]: Analyzing trace with hash -2099874592, now seen corresponding path program 1 times [2020-07-19 22:50:00,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:00,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575351230] [2020-07-19 22:50:00,859 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a16a8e9 [2020-07-19 22:50:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:01,126 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:01,192 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 22:50:01,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575351230] [2020-07-19 22:50:01,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:01,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:50:01,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942256673] [2020-07-19 22:50:01,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:50:01,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:01,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:50:01,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:50:01,195 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 8 states. [2020-07-19 22:50:01,539 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:01,823 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:02,059 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:02,283 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:03,209 INFO L93 Difference]: Finished difference Result 191 states and 236 transitions. [2020-07-19 22:50:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:50:03,210 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 22:50:03,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:03,213 INFO L225 Difference]: With dead ends: 191 [2020-07-19 22:50:03,214 INFO L226 Difference]: Without dead ends: 119 [2020-07-19 22:50:03,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:50:03,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-19 22:50:03,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 96. [2020-07-19 22:50:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-19 22:50:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2020-07-19 22:50:03,246 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 57 [2020-07-19 22:50:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:03,246 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2020-07-19 22:50:03,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:50:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2020-07-19 22:50:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:50:03,248 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:03,248 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] [2020-07-19 22:50:03,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:50:03,249 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:03,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:03,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1251058736, now seen corresponding path program 1 times [2020-07-19 22:50:03,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:03,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122248055] [2020-07-19 22:50:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a16a8e9 [2020-07-19 22:50:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,554 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:03,673 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 22:50:03,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122248055] [2020-07-19 22:50:03,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:03,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:50:03,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138954557] [2020-07-19 22:50:03,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:50:03,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:03,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:50:03,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:50:03,675 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 8 states. [2020-07-19 22:50:03,994 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:05,176 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:05,445 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:05,731 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:06,065 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:06,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:06,373 INFO L93 Difference]: Finished difference Result 284 states and 375 transitions. [2020-07-19 22:50:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 22:50:06,379 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-07-19 22:50:06,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:06,382 INFO L225 Difference]: With dead ends: 284 [2020-07-19 22:50:06,383 INFO L226 Difference]: Without dead ends: 212 [2020-07-19 22:50:06,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:50:06,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-19 22:50:06,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 166. [2020-07-19 22:50:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-19 22:50:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 197 transitions. [2020-07-19 22:50:06,432 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 197 transitions. Word has length 65 [2020-07-19 22:50:06,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:06,433 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 197 transitions. [2020-07-19 22:50:06,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:50:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 197 transitions. [2020-07-19 22:50:06,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-19 22:50:06,435 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:06,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:06,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:50:06,436 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:06,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:06,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1559260886, now seen corresponding path program 1 times [2020-07-19 22:50:06,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:06,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452636703] [2020-07-19 22:50:06,437 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a16a8e9 [2020-07-19 22:50:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:50:06,495 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:50:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:50:06,548 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:50:06,620 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-19 22:50:06,620 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 22:50:06,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:50:06,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:50:06 BoogieIcfgContainer [2020-07-19 22:50:06,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:50:06,750 INFO L168 Benchmark]: Toolchain (without parser) took 11435.02 ms. Allocated memory was 142.6 MB in the beginning and 414.2 MB in the end (delta: 271.6 MB). Free memory was 101.9 MB in the beginning and 171.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 201.9 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:06,752 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 22:50:06,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.30 ms. Allocated memory was 142.6 MB in the beginning and 202.4 MB in the end (delta: 59.8 MB). Free memory was 101.5 MB in the beginning and 171.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:06,755 INFO L168 Benchmark]: Boogie Preprocessor took 123.27 ms. Allocated memory is still 202.4 MB. Free memory was 171.9 MB in the beginning and 167.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:06,757 INFO L168 Benchmark]: RCFGBuilder took 1212.82 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.7 MB in the beginning and 201.0 MB in the end (delta: -33.3 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:06,761 INFO L168 Benchmark]: TraceAbstraction took 9373.20 ms. Allocated memory was 234.4 MB in the beginning and 414.2 MB in the end (delta: 179.8 MB). Free memory was 201.0 MB in the beginning and 171.7 MB in the end (delta: 29.3 MB). Peak memory consumption was 209.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:06,771 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 142.6 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.30 ms. Allocated memory was 142.6 MB in the beginning and 202.4 MB in the end (delta: 59.8 MB). Free memory was 101.5 MB in the beginning and 171.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.27 ms. Allocated memory is still 202.4 MB. Free memory was 171.9 MB in the beginning and 167.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1212.82 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 167.7 MB in the beginning and 201.0 MB in the end (delta: -33.3 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9373.20 ms. Allocated memory was 234.4 MB in the beginning and 414.2 MB in the end (delta: 179.8 MB). Free memory was 201.0 MB in the beginning and 171.7 MB in the end (delta: 29.3 MB). Peak memory consumption was 209.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=167, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=141, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L254] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L255] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L260] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L261] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L243] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L470] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L472] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L478] tmp = __VERIFIER_nondet_int() [L480] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L482] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L482] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L513] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L292] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L330] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L292] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L298] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L433] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L439] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L439] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L439] tmp___0 = getWaterLevel() [L441] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L443] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L443] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L443] tmp___1 = isPumpRunning() [L445] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L449] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L168] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 366 SDtfs, 528 SDslu, 211 SDs, 0 SdLazy, 1192 SolverSat, 330 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 61914 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...