./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:36:43,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:36:43,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:36:43,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:36:43,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:36:43,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:36:43,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:36:43,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:36:43,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:36:43,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:36:43,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:36:43,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:36:43,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:36:43,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:36:43,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:36:43,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:36:43,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:36:43,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:36:43,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:36:43,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:36:43,189 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:36:43,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:36:43,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:36:43,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:36:43,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:36:43,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:36:43,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:36:43,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:36:43,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:36:43,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:36:43,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:36:43,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:36:43,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:36:43,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:36:43,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:36:43,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:36:43,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:36:43,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:36:43,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:36:43,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:36:43,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:36:43,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:36:43,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:36:43,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:36:43,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:36:43,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:36:43,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:36:43,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:36:43,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:36:43,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:36:43,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:36:43,240 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:36:43,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:36:43,241 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:36:43,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:36:43,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:36:43,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:36:43,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:36:43,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:36:43,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:36:43,243 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:36:43,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:36:43,243 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:36:43,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:36:43,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:36:43,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:36:43,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:36:43,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:36:43,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:36:43,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:36:43,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:36:43,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:36:43,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:36:43,246 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:36:43,246 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:36:43,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:36:43,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 [2022-07-22 17:36:43,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:36:43,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:36:43,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:36:43,510 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:36:43,510 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:36:43,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2022-07-22 17:36:43,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bacfcf7c7/d438aa8949b94ccca79a6bba0688e116/FLAGcd5c7d06d [2022-07-22 17:36:44,059 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:36:44,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2022-07-22 17:36:44,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bacfcf7c7/d438aa8949b94ccca79a6bba0688e116/FLAGcd5c7d06d [2022-07-22 17:36:44,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bacfcf7c7/d438aa8949b94ccca79a6bba0688e116 [2022-07-22 17:36:44,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:36:44,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:36:44,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:36:44,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:36:44,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:36:44,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55881cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44, skipping insertion in model container [2022-07-22 17:36:44,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:36:44,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:36:44,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2022-07-22 17:36:44,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:36:44,746 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:36:44,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2022-07-22 17:36:44,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:36:44,842 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:36:44,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44 WrapperNode [2022-07-22 17:36:44,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:36:44,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:36:44,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:36:44,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:36:44,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,895 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 236 [2022-07-22 17:36:44,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:36:44,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:36:44,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:36:44,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:36:44,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:36:44,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:36:44,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:36:44,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:36:44,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (1/1) ... [2022-07-22 17:36:44,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:36:45,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:36:45,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 17:36:45,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 17:36:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:36:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:36:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:36:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:36:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:36:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:36:45,060 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:36:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:36:45,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:36:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:36:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:36:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:36:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:36:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:36:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:36:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:36:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:36:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:36:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:36:45,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:36:45,159 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:36:45,162 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:36:45,456 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:36:45,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:36:45,463 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:36:45,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:36:45 BoogieIcfgContainer [2022-07-22 17:36:45,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:36:45,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:36:45,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:36:45,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:36:45,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:36:44" (1/3) ... [2022-07-22 17:36:45,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc31eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:36:45, skipping insertion in model container [2022-07-22 17:36:45,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:36:44" (2/3) ... [2022-07-22 17:36:45,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc31eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:36:45, skipping insertion in model container [2022-07-22 17:36:45,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:36:45" (3/3) ... [2022-07-22 17:36:45,474 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2022-07-22 17:36:45,486 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:36:45,486 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:36:45,530 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:36:45,536 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@e6f737b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@474ee2c7 [2022-07-22 17:36:45,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:36:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-22 17:36:45,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-22 17:36:45,549 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:36:45,550 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:36:45,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:36:45,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:36:45,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1836528484, now seen corresponding path program 1 times [2022-07-22 17:36:45,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:36:45,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306318091] [2022-07-22 17:36:45,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:36:45,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:36:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:36:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:45,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:36:45,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:36:45,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306318091] [2022-07-22 17:36:45,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306318091] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:36:45,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:36:45,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:36:45,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572447516] [2022-07-22 17:36:45,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:36:45,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:36:45,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:36:45,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:36:45,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:36:45,836 INFO L87 Difference]: Start difference. First operand has 91 states, 66 states have (on average 1.378787878787879) internal successors, (91), 75 states have internal predecessors, (91), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:36:45,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:36:45,863 INFO L93 Difference]: Finished difference Result 174 states and 237 transitions. [2022-07-22 17:36:45,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:36:45,865 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-22 17:36:45,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:36:45,873 INFO L225 Difference]: With dead ends: 174 [2022-07-22 17:36:45,873 INFO L226 Difference]: Without dead ends: 82 [2022-07-22 17:36:45,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:36:45,879 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:36:45,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:36:45,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-07-22 17:36:45,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-07-22 17:36:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 59 states have (on average 1.305084745762712) internal successors, (77), 67 states have internal predecessors, (77), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-22 17:36:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2022-07-22 17:36:45,917 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 23 [2022-07-22 17:36:45,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:36:45,917 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2022-07-22 17:36:45,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:36:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2022-07-22 17:36:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-22 17:36:45,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:36:45,920 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:36:45,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:36:45,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:36:45,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:36:45,922 INFO L85 PathProgramCache]: Analyzing trace with hash -639075496, now seen corresponding path program 1 times [2022-07-22 17:36:45,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:36:45,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105837368] [2022-07-22 17:36:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:36:45,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:36:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:36:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:36:46,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:36:46,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105837368] [2022-07-22 17:36:46,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105837368] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:36:46,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:36:46,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:36:46,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046384118] [2022-07-22 17:36:46,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:36:46,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:36:46,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:36:46,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:36:46,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:36:46,016 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:36:46,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:36:46,034 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions. [2022-07-22 17:36:46,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:36:46,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-07-22 17:36:46,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:36:46,043 INFO L225 Difference]: With dead ends: 126 [2022-07-22 17:36:46,044 INFO L226 Difference]: Without dead ends: 73 [2022-07-22 17:36:46,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:36:46,050 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 16 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:36:46,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 165 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:36:46,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-07-22 17:36:46,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-07-22 17:36:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 53 states have (on average 1.320754716981132) internal successors, (70), 61 states have internal predecessors, (70), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-22 17:36:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2022-07-22 17:36:46,062 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 24 [2022-07-22 17:36:46,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:36:46,062 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2022-07-22 17:36:46,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:36:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2022-07-22 17:36:46,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-22 17:36:46,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:36:46,064 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:36:46,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:36:46,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:36:46,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:36:46,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1922236756, now seen corresponding path program 1 times [2022-07-22 17:36:46,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:36:46,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960888326] [2022-07-22 17:36:46,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:36:46,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:36:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:46,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:36:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:46,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:36:46,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:36:46,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960888326] [2022-07-22 17:36:46,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960888326] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:36:46,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:36:46,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:36:46,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085914198] [2022-07-22 17:36:46,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:36:46,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:36:46,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:36:46,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:36:46,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:36:46,170 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:36:46,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:36:46,441 INFO L93 Difference]: Finished difference Result 246 states and 323 transitions. [2022-07-22 17:36:46,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:36:46,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-07-22 17:36:46,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:36:46,448 INFO L225 Difference]: With dead ends: 246 [2022-07-22 17:36:46,448 INFO L226 Difference]: Without dead ends: 180 [2022-07-22 17:36:46,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:36:46,452 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 248 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:36:46,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 412 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:36:46,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-07-22 17:36:46,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174. [2022-07-22 17:36:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 125 states have (on average 1.352) internal successors, (169), 143 states have internal predecessors, (169), 29 states have call successors, (29), 19 states have call predecessors, (29), 19 states have return successors, (30), 19 states have call predecessors, (30), 29 states have call successors, (30) [2022-07-22 17:36:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 228 transitions. [2022-07-22 17:36:46,499 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 228 transitions. Word has length 28 [2022-07-22 17:36:46,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:36:46,500 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 228 transitions. [2022-07-22 17:36:46,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:36:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 228 transitions. [2022-07-22 17:36:46,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-22 17:36:46,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:36:46,502 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:36:46,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:36:46,502 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:36:46,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:36:46,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1773208458, now seen corresponding path program 1 times [2022-07-22 17:36:46,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:36:46,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683766177] [2022-07-22 17:36:46,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:36:46,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:36:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:36:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:36:46,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:36:46,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683766177] [2022-07-22 17:36:46,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683766177] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:36:46,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:36:46,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:36:46,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006631519] [2022-07-22 17:36:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:36:46,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:36:46,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:36:46,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:36:46,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:36:46,621 INFO L87 Difference]: Start difference. First operand 174 states and 228 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:36:46,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:36:46,722 INFO L93 Difference]: Finished difference Result 509 states and 680 transitions. [2022-07-22 17:36:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 17:36:46,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-22 17:36:46,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:36:46,732 INFO L225 Difference]: With dead ends: 509 [2022-07-22 17:36:46,732 INFO L226 Difference]: Without dead ends: 342 [2022-07-22 17:36:46,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:36:46,742 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 65 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:36:46,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 461 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:36:46,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-07-22 17:36:46,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 333. [2022-07-22 17:36:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 236 states have (on average 1.3347457627118644) internal successors, (315), 271 states have internal predecessors, (315), 58 states have call successors, (58), 38 states have call predecessors, (58), 38 states have return successors, (63), 38 states have call predecessors, (63), 58 states have call successors, (63) [2022-07-22 17:36:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 436 transitions. [2022-07-22 17:36:46,803 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 436 transitions. Word has length 32 [2022-07-22 17:36:46,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:36:46,804 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 436 transitions. [2022-07-22 17:36:46,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:36:46,805 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 436 transitions. [2022-07-22 17:36:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-22 17:36:46,808 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:36:46,809 INFO L195 NwaCegarLoop]: 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] [2022-07-22 17:36:46,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:36:46,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:36:46,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:36:46,810 INFO L85 PathProgramCache]: Analyzing trace with hash -491579890, now seen corresponding path program 1 times [2022-07-22 17:36:46,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:36:46,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686988682] [2022-07-22 17:36:46,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:36:46,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:36:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:46,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-22 17:36:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 17:36:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:36:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:36:46,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:36:46,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686988682] [2022-07-22 17:36:46,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686988682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:36:46,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:36:46,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:36:46,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443248505] [2022-07-22 17:36:46,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:36:46,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:36:46,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:36:46,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:36:46,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:36:46,924 INFO L87 Difference]: Start difference. First operand 333 states and 436 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:36:47,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:36:47,046 INFO L93 Difference]: Finished difference Result 578 states and 760 transitions. [2022-07-22 17:36:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 17:36:47,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-07-22 17:36:47,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:36:47,047 INFO L225 Difference]: With dead ends: 578 [2022-07-22 17:36:47,048 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:36:47,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:36:47,052 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:36:47,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 127 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:36:47,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:36:47,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:36:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 17:36:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:36:47,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-07-22 17:36:47,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:36:47,055 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:36:47,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 17:36:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:36:47,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:36:47,058 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:36:47,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:36:47,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:36:47,719 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 681 688) the Hoare annotation is: true [2022-07-22 17:36:47,719 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 681 688) no Hoare annotation was computed. [2022-07-22 17:36:47,719 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 681 688) no Hoare annotation was computed. [2022-07-22 17:36:47,720 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 614 620) no Hoare annotation was computed. [2022-07-22 17:36:47,720 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 614 620) the Hoare annotation is: true [2022-07-22 17:36:47,720 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 449 460) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-22 17:36:47,720 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2022-07-22 17:36:47,720 INFO L899 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2022-07-22 17:36:47,720 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 846 875) no Hoare annotation was computed. [2022-07-22 17:36:47,720 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 846 875) the Hoare annotation is: true [2022-07-22 17:36:47,720 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 864) no Hoare annotation was computed. [2022-07-22 17:36:47,720 INFO L902 garLoopResultBuilder]: At program point L860-1(lines 860 864) the Hoare annotation is: true [2022-07-22 17:36:47,721 INFO L899 garLoopResultBuilder]: For program point L857(line 857) no Hoare annotation was computed. [2022-07-22 17:36:47,721 INFO L902 garLoopResultBuilder]: At program point L856-2(lines 856 870) the Hoare annotation is: true [2022-07-22 17:36:47,721 INFO L902 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: true [2022-07-22 17:36:47,721 INFO L899 garLoopResultBuilder]: For program point L852-1(line 852) no Hoare annotation was computed. [2022-07-22 17:36:47,721 INFO L902 garLoopResultBuilder]: At program point L871(lines 846 875) the Hoare annotation is: true [2022-07-22 17:36:47,721 INFO L899 garLoopResultBuilder]: For program point L867(line 867) no Hoare annotation was computed. [2022-07-22 17:36:47,721 INFO L895 garLoopResultBuilder]: At program point L667(line 667) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-22 17:36:47,721 INFO L895 garLoopResultBuilder]: At program point L667-1(lines 648 672) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-22 17:36:47,721 INFO L895 garLoopResultBuilder]: At program point L696(lines 689 699) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:36:47,722 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2022-07-22 17:36:47,722 INFO L895 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:36:47,722 INFO L899 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2022-07-22 17:36:47,722 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 590 613) no Hoare annotation was computed. [2022-07-22 17:36:47,722 INFO L895 garLoopResultBuilder]: At program point L705(lines 700 708) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-07-22 17:36:47,722 INFO L899 garLoopResultBuilder]: For program point L594-1(lines 593 612) no Hoare annotation was computed. [2022-07-22 17:36:47,722 INFO L899 garLoopResultBuilder]: For program point L945(line 945) no Hoare annotation was computed. [2022-07-22 17:36:47,722 INFO L899 garLoopResultBuilder]: For program point L656(lines 656 664) no Hoare annotation was computed. [2022-07-22 17:36:47,722 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2022-07-22 17:36:47,723 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 669) no Hoare annotation was computed. [2022-07-22 17:36:47,723 INFO L895 garLoopResultBuilder]: At program point L429-2(lines 425 436) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:36:47,723 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 799) no Hoare annotation was computed. [2022-07-22 17:36:47,725 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:36:47,725 INFO L899 garLoopResultBuilder]: For program point L694-1(line 694) no Hoare annotation was computed. [2022-07-22 17:36:47,725 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 802) no Hoare annotation was computed. [2022-07-22 17:36:47,725 INFO L895 garLoopResultBuilder]: At program point L789-1(lines 781 805) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0)))) [2022-07-22 17:36:47,726 INFO L895 garLoopResultBuilder]: At program point L946(lines 941 948) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:36:47,726 INFO L895 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:36:47,726 INFO L895 garLoopResultBuilder]: At program point L658(line 658) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-22 17:36:47,726 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 590 613) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-22 17:36:47,728 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 590 613) no Hoare annotation was computed. [2022-07-22 17:36:47,728 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 945) no Hoare annotation was computed. [2022-07-22 17:36:47,728 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 461 469) the Hoare annotation is: true [2022-07-22 17:36:47,728 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 461 469) no Hoare annotation was computed. [2022-07-22 17:36:47,728 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2022-07-22 17:36:47,729 INFO L895 garLoopResultBuilder]: At program point L832(lines 828 834) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:36:47,729 INFO L902 garLoopResultBuilder]: At program point L576(lines 515 580) the Hoare annotation is: true [2022-07-22 17:36:47,729 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 934) no Hoare annotation was computed. [2022-07-22 17:36:47,729 INFO L899 garLoopResultBuilder]: For program point L927-2(lines 927 934) no Hoare annotation was computed. [2022-07-22 17:36:47,729 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 541) no Hoare annotation was computed. [2022-07-22 17:36:47,730 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2022-07-22 17:36:47,730 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 531) no Hoare annotation was computed. [2022-07-22 17:36:47,730 INFO L902 garLoopResultBuilder]: At program point L936(lines 917 939) the Hoare annotation is: true [2022-07-22 17:36:47,730 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:36:47,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:36:47,730 INFO L895 garLoopResultBuilder]: At program point L573(lines 524 574) the Hoare annotation is: false [2022-07-22 17:36:47,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:36:47,731 INFO L895 garLoopResultBuilder]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-22 17:36:47,731 INFO L899 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2022-07-22 17:36:47,731 INFO L895 garLoopResultBuilder]: At program point L561-2(lines 555 568) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:36:47,731 INFO L895 garLoopResultBuilder]: At program point L904(lines 900 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)) [2022-07-22 17:36:47,731 INFO L895 garLoopResultBuilder]: At program point L776(lines 764 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:36:47,731 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2022-07-22 17:36:47,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:36:47,732 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2022-07-22 17:36:47,732 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 774) no Hoare annotation was computed. [2022-07-22 17:36:47,732 INFO L899 garLoopResultBuilder]: For program point L768-1(lines 768 774) no Hoare annotation was computed. [2022-07-22 17:36:47,732 INFO L895 garLoopResultBuilder]: At program point L570(lines 525 572) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:36:47,732 INFO L895 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:36:47,733 INFO L902 garLoopResultBuilder]: At program point L914(lines 907 916) the Hoare annotation is: true [2022-07-22 17:36:47,733 INFO L899 garLoopResultBuilder]: For program point L526(lines 525 572) no Hoare annotation was computed. [2022-07-22 17:36:47,734 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 568) no Hoare annotation was computed. [2022-07-22 17:36:47,734 INFO L895 garLoopResultBuilder]: At program point L840(lines 835 843) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-22 17:36:47,734 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-22 17:36:47,734 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: false [2022-07-22 17:36:47,735 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2022-07-22 17:36:47,735 INFO L899 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2022-07-22 17:36:47,736 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 437 448) the Hoare annotation is: true [2022-07-22 17:36:47,736 INFO L895 garLoopResultBuilder]: At program point L636(line 636) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:36:47,736 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 622 646) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:36:47,736 INFO L895 garLoopResultBuilder]: At program point L760(lines 745 763) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:36:47,736 INFO L895 garLoopResultBuilder]: At program point L632(line 632) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:36:47,737 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 638) no Hoare annotation was computed. [2022-07-22 17:36:47,737 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 643) no Hoare annotation was computed. [2022-07-22 17:36:47,737 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2022-07-22 17:36:47,737 INFO L899 garLoopResultBuilder]: For program point L754-2(lines 754 758) no Hoare annotation was computed. [2022-07-22 17:36:47,737 INFO L895 garLoopResultBuilder]: At program point L641(line 641) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-22 17:36:47,737 INFO L899 garLoopResultBuilder]: For program point L641-1(lines 622 646) no Hoare annotation was computed. [2022-07-22 17:36:47,737 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 622 646) no Hoare annotation was computed. [2022-07-22 17:36:47,738 INFO L895 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-22 17:36:47,742 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-22 17:36:47,744 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:36:47,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:36:47 BoogieIcfgContainer [2022-07-22 17:36:47,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:36:47,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:36:47,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:36:47,776 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:36:47,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:36:45" (3/4) ... [2022-07-22 17:36:47,779 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:36:47,785 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:36:47,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:36:47,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:36:47,786 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:36:47,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:36:47,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:36:47,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:36:47,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-22 17:36:47,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-22 17:36:47,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:36:47,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:36:47,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:36:47,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:36:47,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:36:47,803 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:36:47,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-22 17:36:47,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-22 17:36:47,827 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:36:47,829 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-07-22 17:36:47,830 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2022-07-22 17:36:47,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:36:47,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-07-22 17:36:47,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:36:47,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-22 17:36:47,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-22 17:36:47,869 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:36:47,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:36:47,870 INFO L158 Benchmark]: Toolchain (without parser) took 3465.32ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.7MB in the beginning and 84.2MB in the end (delta: -29.5MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2022-07-22 17:36:47,870 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:36:47,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.56ms. Allocated memory is still 90.2MB. Free memory was 54.5MB in the beginning and 56.0MB in the end (delta: -1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 17:36:47,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.73ms. Allocated memory is still 90.2MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 17:36:47,871 INFO L158 Benchmark]: Boogie Preprocessor took 70.43ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 51.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:36:47,871 INFO L158 Benchmark]: RCFGBuilder took 498.59ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.9MB in the beginning and 82.5MB in the end (delta: -30.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-07-22 17:36:47,871 INFO L158 Benchmark]: TraceAbstraction took 2307.86ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 40.5MB in the end (delta: 42.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2022-07-22 17:36:47,871 INFO L158 Benchmark]: Witness Printer took 93.07ms. Allocated memory is still 109.1MB. Free memory was 40.5MB in the beginning and 84.2MB in the end (delta: -43.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-07-22 17:36:47,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.56ms. Allocated memory is still 90.2MB. Free memory was 54.5MB in the beginning and 56.0MB in the end (delta: -1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.73ms. Allocated memory is still 90.2MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.43ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 51.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.59ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 51.9MB in the beginning and 82.5MB in the end (delta: -30.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2307.86ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 40.5MB in the end (delta: 42.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Witness Printer took 93.07ms. Allocated memory is still 109.1MB. Free memory was 40.5MB in the beginning and 84.2MB in the end (delta: -43.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 945]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 391 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 383 mSDsluCounter, 1280 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 803 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 477 mSDtfsCounter, 245 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=4, InterpolantAutomatonStates: 25, 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, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 520 PreInvPairs, 586 NumberOfFragments, 269 HoareAnnotationTreeSize, 520 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 1908 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) RESULT: Ultimate proved your program to be correct! [2022-07-22 17:36:47,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE