./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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_spec2_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 df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:23:41,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:23:41,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:23:41,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:23:41,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:23:41,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:23:41,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:23:41,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:23:41,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:23:41,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:23:41,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:23:41,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:23:41,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:23:41,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:23:41,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:23:41,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:23:41,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:23:41,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:23:41,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:23:41,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:23:41,196 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:23:41,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:23:41,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:23:41,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:23:41,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:23:41,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:23:41,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:23:41,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:23:41,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:23:41,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:23:41,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:23:41,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:23:41,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:23:41,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:23:41,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:23:41,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:23:41,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:23:41,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:23:41,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:23:41,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:23:41,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:23:41,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:23:41,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:23:41,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:23:41,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:23:41,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:23:41,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:23:41,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:23:41,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:23:41,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:23:41,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:23:41,237 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:23:41,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:23:41,238 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:23:41,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:23:41,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:23:41,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:23:41,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:23:41,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:23:41,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:23:41,239 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:23:41,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:23:41,239 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:23:41,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:23:41,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:23:41,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:23:41,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:23:41,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:41,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:23:41,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:23:41,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:23:41,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:23:41,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:23:41,241 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:23:41,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:23:41,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:23:41,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2022-07-19 17:23:41,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:23:41,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:23:41,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:23:41,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:23:41,462 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:23:41,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2022-07-19 17:23:41,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7552e6f1e/f284c944e31a47a8a1cd7316437c4c5a/FLAGde319a9fe [2022-07-19 17:23:41,871 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:23:41,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2022-07-19 17:23:41,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7552e6f1e/f284c944e31a47a8a1cd7316437c4c5a/FLAGde319a9fe [2022-07-19 17:23:42,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7552e6f1e/f284c944e31a47a8a1cd7316437c4c5a [2022-07-19 17:23:42,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:23:42,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:23:42,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:42,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:23:42,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:23:42,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a770f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42, skipping insertion in model container [2022-07-19 17:23:42,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:23:42,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:23:42,514 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_spec2_product23.cil.c[13383,13396] [2022-07-19 17:23:42,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:42,570 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:23:42,636 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_spec2_product23.cil.c[13383,13396] [2022-07-19 17:23:42,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:42,669 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:23:42,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42 WrapperNode [2022-07-19 17:23:42,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:42,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:42,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:23:42,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:23:42,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,700 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 244 [2022-07-19 17:23:42,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:42,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:23:42,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:23:42,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:23:42,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:23:42,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:23:42,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:23:42,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:23:42,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (1/1) ... [2022-07-19 17:23:42,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:42,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:42,744 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) [2022-07-19 17:23:42,749 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 [2022-07-19 17:23:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:23:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:23:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:23:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:23:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:23:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:23:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:23:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:23:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:23:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:23:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:23:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:23:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:23:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:23:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:23:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:23:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:23:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:23:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:23:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:23:42,844 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:23:42,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:23:43,053 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:23:43,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:23:43,059 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:23:43,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:43 BoogieIcfgContainer [2022-07-19 17:23:43,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:23:43,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:23:43,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:23:43,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:23:43,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:23:42" (1/3) ... [2022-07-19 17:23:43,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c24f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:43, skipping insertion in model container [2022-07-19 17:23:43,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:42" (2/3) ... [2022-07-19 17:23:43,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56c24f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:43, skipping insertion in model container [2022-07-19 17:23:43,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:43" (3/3) ... [2022-07-19 17:23:43,068 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2022-07-19 17:23:43,077 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:23:43,078 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:23:43,109 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:23:43,113 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@3a920319, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@332492ec [2022-07-19 17:23:43,113 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:23:43,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 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) [2022-07-19 17:23:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-19 17:23:43,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:43,123 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] [2022-07-19 17:23:43,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:43,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:43,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1564968058, now seen corresponding path program 1 times [2022-07-19 17:23:43,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:43,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434142671] [2022-07-19 17:23:43,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:43,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:23:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:43,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:43,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434142671] [2022-07-19 17:23:43,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434142671] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:43,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:43,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:23:43,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716151892] [2022-07-19 17:23:43,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:43,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:23:43,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:43,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:23:43,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:23:43,289 INFO L87 Difference]: Start difference. First operand has 93 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 77 states have internal predecessors, (94), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-19 17:23:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:43,321 INFO L93 Difference]: Finished difference Result 177 states and 242 transitions. [2022-07-19 17:23:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:23:43,323 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-07-19 17:23:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:43,330 INFO L225 Difference]: With dead ends: 177 [2022-07-19 17:23:43,331 INFO L226 Difference]: Without dead ends: 84 [2022-07-19 17:23:43,334 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 [2022-07-19 17:23:43,336 INFO L413 NwaCegarLoop]: 118 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, 118 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 [2022-07-19 17:23:43,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:43,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-19 17:23:43,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-19 17:23:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 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) [2022-07-19 17:23:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-07-19 17:23:43,365 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 25 [2022-07-19 17:23:43,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:43,366 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-07-19 17:23:43,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-19 17:23:43,366 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-07-19 17:23:43,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-19 17:23:43,367 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:43,368 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] [2022-07-19 17:23:43,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:23:43,368 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:43,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:43,368 INFO L85 PathProgramCache]: Analyzing trace with hash 13012176, now seen corresponding path program 1 times [2022-07-19 17:23:43,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:43,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378278895] [2022-07-19 17:23:43,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:43,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:43,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-19 17:23:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:43,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:43,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378278895] [2022-07-19 17:23:43,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378278895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:43,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:43,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:23:43,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291013856] [2022-07-19 17:23:43,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:43,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:23:43,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:43,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:23:43,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:43,453 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-19 17:23:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:43,471 INFO L93 Difference]: Finished difference Result 129 states and 167 transitions. [2022-07-19 17:23:43,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:23:43,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-07-19 17:23:43,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:43,474 INFO L225 Difference]: With dead ends: 129 [2022-07-19 17:23:43,474 INFO L226 Difference]: Without dead ends: 75 [2022-07-19 17:23:43,475 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 [2022-07-19 17:23:43,476 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 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 [2022-07-19 17:23:43,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:43,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-07-19 17:23:43,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-07-19 17:23:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 63 states have internal predecessors, (73), 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) [2022-07-19 17:23:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2022-07-19 17:23:43,482 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 26 [2022-07-19 17:23:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:43,482 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2022-07-19 17:23:43,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-19 17:23:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-07-19 17:23:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-19 17:23:43,483 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:43,484 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] [2022-07-19 17:23:43,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:23:43,484 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:43,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:43,484 INFO L85 PathProgramCache]: Analyzing trace with hash -909224996, now seen corresponding path program 1 times [2022-07-19 17:23:43,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:43,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982563070] [2022-07-19 17:23:43,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:43,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:43,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:43,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982563070] [2022-07-19 17:23:43,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982563070] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:43,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:43,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:43,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712245096] [2022-07-19 17:23:43,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:43,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:43,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:43,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:43,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:43,588 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-07-19 17:23:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:43,739 INFO L93 Difference]: Finished difference Result 251 states and 332 transitions. [2022-07-19 17:23:43,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:23:43,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2022-07-19 17:23:43,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:43,745 INFO L225 Difference]: With dead ends: 251 [2022-07-19 17:23:43,745 INFO L226 Difference]: Without dead ends: 184 [2022-07-19 17:23:43,748 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 [2022-07-19 17:23:43,753 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 257 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:43,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 429 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:43,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-07-19 17:23:43,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2022-07-19 17:23:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 129 states have (on average 1.3643410852713178) internal successors, (176), 147 states have internal predecessors, (176), 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) [2022-07-19 17:23:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2022-07-19 17:23:43,779 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 30 [2022-07-19 17:23:43,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:43,779 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2022-07-19 17:23:43,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-07-19 17:23:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2022-07-19 17:23:43,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-19 17:23:43,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:43,780 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] [2022-07-19 17:23:43,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:23:43,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:43,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:43,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1198330854, now seen corresponding path program 1 times [2022-07-19 17:23:43,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:43,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067940347] [2022-07-19 17:23:43,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:43,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:23:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:43,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:43,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067940347] [2022-07-19 17:23:43,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067940347] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:43,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:43,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:43,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055982956] [2022-07-19 17:23:43,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:43,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:43,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:43,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:43,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:43,838 INFO L87 Difference]: Start difference. First operand 178 states and 235 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-07-19 17:23:43,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:43,909 INFO L93 Difference]: Finished difference Result 516 states and 693 transitions. [2022-07-19 17:23:43,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:23:43,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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 34 [2022-07-19 17:23:43,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:43,916 INFO L225 Difference]: With dead ends: 516 [2022-07-19 17:23:43,916 INFO L226 Difference]: Without dead ends: 346 [2022-07-19 17:23:43,918 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 [2022-07-19 17:23:43,927 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 65 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:43,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 475 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:43,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-07-19 17:23:43,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 337. [2022-07-19 17:23:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 240 states have (on average 1.3416666666666666) internal successors, (322), 275 states have internal predecessors, (322), 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) [2022-07-19 17:23:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 443 transitions. [2022-07-19 17:23:43,966 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 443 transitions. Word has length 34 [2022-07-19 17:23:43,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:43,966 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 443 transitions. [2022-07-19 17:23:43,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-07-19 17:23:43,967 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 443 transitions. [2022-07-19 17:23:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-19 17:23:43,975 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:43,975 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, 1, 1] [2022-07-19 17:23:43,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:23:43,975 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:43,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:43,976 INFO L85 PathProgramCache]: Analyzing trace with hash -398102942, now seen corresponding path program 1 times [2022-07-19 17:23:43,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:43,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221024922] [2022-07-19 17:23:43,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:43,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:44,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:23:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:23:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:44,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:44,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221024922] [2022-07-19 17:23:44,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221024922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:44,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:44,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:44,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424319353] [2022-07-19 17:23:44,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:44,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:44,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:44,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:44,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:44,051 INFO L87 Difference]: Start difference. First operand 337 states and 443 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-07-19 17:23:44,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:44,137 INFO L93 Difference]: Finished difference Result 582 states and 767 transitions. [2022-07-19 17:23:44,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:23:44,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 38 [2022-07-19 17:23:44,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:44,138 INFO L225 Difference]: With dead ends: 582 [2022-07-19 17:23:44,138 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:23:44,140 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 [2022-07-19 17:23:44,140 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 54 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 131 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 [2022-07-19 17:23:44,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 131 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:44,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:23:44,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:23:44,141 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) [2022-07-19 17:23:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:23:44,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-07-19 17:23:44,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:44,143 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:23:44,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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) [2022-07-19 17:23:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:23:44,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:23:44,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:23:44,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:23:44,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:23:44,654 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2022-07-19 17:23:44,654 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2022-07-19 17:23:44,654 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2022-07-19 17:23:44,654 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 662 668) no Hoare annotation was computed. [2022-07-19 17:23:44,654 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 662 668) the Hoare annotation is: true [2022-07-19 17:23:44,654 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-19 17:23:44,654 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-07-19 17:23:44,654 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-07-19 17:23:44,654 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 867 896) no Hoare annotation was computed. [2022-07-19 17:23:44,654 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 867 896) the Hoare annotation is: true [2022-07-19 17:23:44,654 INFO L902 garLoopResultBuilder]: At program point L892(lines 867 896) the Hoare annotation is: true [2022-07-19 17:23:44,654 INFO L899 garLoopResultBuilder]: For program point L888(line 888) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L902 garLoopResultBuilder]: At program point L881-1(lines 881 885) the Hoare annotation is: true [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L902 garLoopResultBuilder]: At program point L877-2(lines 877 891) the Hoare annotation is: true [2022-07-19 17:23:44,655 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point L642-1(lines 641 660) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 712) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 638 661) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 179) no Hoare annotation was computed. [2022-07-19 17:23:44,655 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:44,656 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 182) no Hoare annotation was computed. [2022-07-19 17:23:44,656 INFO L895 garLoopResultBuilder]: At program point L165-1(lines 157 185) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (or .cse0 (= ~pumpRunning~0 0)))) [2022-07-19 17:23:44,656 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:44,656 INFO L895 garLoopResultBuilder]: At program point L558(lines 553 560) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:44,656 INFO L895 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-19 17:23:44,656 INFO L895 garLoopResultBuilder]: At program point L715-1(lines 696 720) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-07-19 17:23:44,656 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2022-07-19 17:23:44,656 INFO L895 garLoopResultBuilder]: At program point L744(lines 737 747) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:44,656 INFO L899 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2022-07-19 17:23:44,656 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-07-19 17:23:44,656 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-07-19 17:23:44,656 INFO L895 garLoopResultBuilder]: At program point L753(lines 748 756) 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))))) [2022-07-19 17:23:44,656 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 638 661) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:23:44,656 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 638 661) no Hoare annotation was computed. [2022-07-19 17:23:44,657 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2022-07-19 17:23:44,657 INFO L895 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-07-19 17:23:44,657 INFO L899 garLoopResultBuilder]: For program point L163-1(line 163) no Hoare annotation was computed. [2022-07-19 17:23:44,657 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2022-07-19 17:23:44,657 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2022-07-19 17:23:44,657 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2022-07-19 17:23:44,657 INFO L899 garLoopResultBuilder]: For program point L576(lines 575 622) no Hoare annotation was computed. [2022-07-19 17:23:44,657 INFO L895 garLoopResultBuilder]: At program point L861(lines 856 864) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-07-19 17:23:44,657 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 618) no Hoare annotation was computed. [2022-07-19 17:23:44,657 INFO L895 garLoopResultBuilder]: At program point L824(lines 812 826) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:44,657 INFO L895 garLoopResultBuilder]: At program point L853(lines 849 855) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:23:44,657 INFO L895 garLoopResultBuilder]: At program point L597(line 597) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:44,657 INFO L902 garLoopResultBuilder]: At program point L626(lines 565 630) the Hoare annotation is: true [2022-07-19 17:23:44,657 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 822) no Hoare annotation was computed. [2022-07-19 17:23:44,657 INFO L899 garLoopResultBuilder]: For program point L816-1(lines 816 822) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L902 garLoopResultBuilder]: At program point L936(lines 928 938) the Hoare annotation is: true [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 956) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point L949-2(lines 949 956) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L895 garLoopResultBuilder]: At program point L623(lines 574 624) the Hoare annotation is: false [2022-07-19 17:23:44,658 INFO L895 garLoopResultBuilder]: At program point L846(lines 842 848) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point L611(lines 611 617) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L895 garLoopResultBuilder]: At program point L611-2(lines 605 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:23:44,658 INFO L902 garLoopResultBuilder]: At program point L958(lines 939 961) the Hoare annotation is: true [2022-07-19 17:23:44,658 INFO L895 garLoopResultBuilder]: At program point L925(lines 921 927) 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)) [2022-07-19 17:23:44,658 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2022-07-19 17:23:44,659 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 595 601) no Hoare annotation was computed. [2022-07-19 17:23:44,659 INFO L895 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: false [2022-07-19 17:23:44,659 INFO L895 garLoopResultBuilder]: At program point L620(lines 575 622) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:44,659 INFO L895 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-07-19 17:23:44,659 INFO L895 garLoopResultBuilder]: At program point L154(lines 149 156) 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)) [2022-07-19 17:23:44,659 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-07-19 17:23:44,659 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-07-19 17:23:44,659 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: true [2022-07-19 17:23:44,659 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 670 694) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-19 17:23:44,659 INFO L895 garLoopResultBuilder]: At program point L141(lines 136 144) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:44,659 INFO L895 garLoopResultBuilder]: At program point L684(line 684) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:44,659 INFO L895 garLoopResultBuilder]: At program point L808(lines 793 811) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:44,659 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:44,659 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 686) no Hoare annotation was computed. [2022-07-19 17:23:44,659 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 691) no Hoare annotation was computed. [2022-07-19 17:23:44,659 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2022-07-19 17:23:44,660 INFO L899 garLoopResultBuilder]: For program point L802-2(lines 802 806) no Hoare annotation was computed. [2022-07-19 17:23:44,660 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 670 694) no Hoare annotation was computed. [2022-07-19 17:23:44,660 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-07-19 17:23:44,660 INFO L899 garLoopResultBuilder]: For program point L689-1(lines 670 694) no Hoare annotation was computed. [2022-07-19 17:23:44,662 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-19 17:23:44,663 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:23:44,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:23:44 BoogieIcfgContainer [2022-07-19 17:23:44,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:23:44,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:23:44,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:23:44,676 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:23:44,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:43" (3/4) ... [2022-07-19 17:23:44,682 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:23:44,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:23:44,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:23:44,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:23:44,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:23:44,686 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:23:44,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-19 17:23:44,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:23:44,687 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-07-19 17:23:44,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-19 17:23:44,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:23:44,692 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:23:44,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:23:44,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:23:44,693 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:23:44,694 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:23:44,708 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-19 17:23:44,708 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-19 17:23:44,709 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-19 17:23:44,709 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-19 17:23:44,709 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-07-19 17:23:44,710 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2022-07-19 17:23:44,710 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-19 17:23:44,710 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-07-19 17:23:44,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-19 17:23:44,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-07-19 17:23:44,711 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-07-19 17:23:44,739 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:23:44,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:23:44,739 INFO L158 Benchmark]: Toolchain (without parser) took 2440.94ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 50.7MB in the beginning and 47.9MB in the end (delta: 2.9MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-07-19 17:23:44,740 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:23:44,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.90ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 50.7MB in the beginning and 75.8MB in the end (delta: -25.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:23:44,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.87ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:23:44,740 INFO L158 Benchmark]: Boogie Preprocessor took 17.80ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:23:44,740 INFO L158 Benchmark]: RCFGBuilder took 341.27ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 55.7MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 17:23:44,740 INFO L158 Benchmark]: TraceAbstraction took 1613.34ms. Allocated memory is still 109.1MB. Free memory was 54.8MB in the beginning and 52.9MB in the end (delta: 2.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-07-19 17:23:44,741 INFO L158 Benchmark]: Witness Printer took 63.51ms. Allocated memory is still 109.1MB. Free memory was 52.9MB in the beginning and 47.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 17:23:44,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 86.0MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 18.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.90ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 50.7MB in the beginning and 75.8MB in the end (delta: -25.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.87ms. Allocated memory is still 109.1MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.80ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.27ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 55.7MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1613.34ms. Allocated memory is still 109.1MB. Free memory was 54.8MB in the beginning and 52.9MB in the end (delta: 2.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 63.51ms. Allocated memory is still 109.1MB. Free memory was 52.9MB in the beginning and 47.9MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. 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: 557]: 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, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 400 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 392 mSDsluCounter, 1324 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 832 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 492 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=337occurred 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, 43 LocationsWithAnnotation, 521 PreInvPairs, 587 NumberOfFragments, 285 HoareAnnotationTreeSize, 521 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 1908 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 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: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2022-07-19 17:23:44,790 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