./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product04.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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:06:13,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:06:13,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:06:13,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:06:13,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:06:13,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:06:13,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:06:13,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:06:13,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:06:13,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:06:13,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:06:13,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:06:13,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:06:13,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:06:13,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:06:13,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:06:13,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:06:13,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:06:13,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:06:13,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:06:13,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:06:13,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:06:13,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:06:13,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:06:13,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:06:13,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:06:13,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:06:13,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:06:13,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:06:13,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:06:13,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:06:13,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:06:13,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:06:13,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:06:13,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:06:13,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:06:13,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:06:13,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:06:13,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:06:13,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:06:13,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:06:13,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:06:13,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:06:13,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:06:13,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:06:13,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:06:13,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:06:13,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:06:13,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:06:13,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:06:13,324 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:06:13,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:06:13,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:06:13,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:06:13,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:06:13,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:06:13,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:06:13,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:06:13,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:06:13,326 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:06:13,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:06:13,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:06:13,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:06:13,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:06:13,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:06:13,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:06:13,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:06:13,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:06:13,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:06:13,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:06:13,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:06:13,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:06:13,328 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:06:13,328 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:06:13,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:06:13,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:06:13,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2021-12-17 15:06:13,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:06:13,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:06:13,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:06:13,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:06:13,529 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:06:13,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-12-17 15:06:13,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59cd8838/7613037231b5462d8a19a2770a6926f6/FLAG5d134991a [2021-12-17 15:06:13,984 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:06:13,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-12-17 15:06:13,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59cd8838/7613037231b5462d8a19a2770a6926f6/FLAG5d134991a [2021-12-17 15:06:14,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59cd8838/7613037231b5462d8a19a2770a6926f6 [2021-12-17 15:06:14,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:06:14,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:06:14,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:06:14,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:06:14,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:06:14,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4826f2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14, skipping insertion in model container [2021-12-17 15:06:14,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:06:14,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:06:14,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2021-12-17 15:06:14,240 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:06:14,252 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:06:14,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2021-12-17 15:06:14,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:06:14,316 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:06:14,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14 WrapperNode [2021-12-17 15:06:14,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:06:14,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:06:14,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:06:14,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:06:14,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,348 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 190 [2021-12-17 15:06:14,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:06:14,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:06:14,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:06:14,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:06:14,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:06:14,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:06:14,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:06:14,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:06:14,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (1/1) ... [2021-12-17 15:06:14,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:06:14,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:06:14,415 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) [2021-12-17 15:06:14,433 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 [2021-12-17 15:06:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:06:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-17 15:06:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-17 15:06:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:06:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:06:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:06:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:06:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:06:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:06:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:06:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:06:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:06:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:06:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:06:14,492 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:06:14,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:06:14,707 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:06:14,711 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:06:14,715 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:06:14,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:06:14 BoogieIcfgContainer [2021-12-17 15:06:14,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:06:14,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:06:14,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:06:14,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:06:14,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:06:14" (1/3) ... [2021-12-17 15:06:14,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189ddc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:06:14, skipping insertion in model container [2021-12-17 15:06:14,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:06:14" (2/3) ... [2021-12-17 15:06:14,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189ddc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:06:14, skipping insertion in model container [2021-12-17 15:06:14,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:06:14" (3/3) ... [2021-12-17 15:06:14,727 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2021-12-17 15:06:14,730 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:06:14,730 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:06:14,760 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:06:14,764 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:06:14,764 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:06:14,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-17 15:06:14,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-17 15:06:14,787 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:14,787 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:14,788 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:14,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:14,791 INFO L85 PathProgramCache]: Analyzing trace with hash -291127646, now seen corresponding path program 1 times [2021-12-17 15:06:14,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:14,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187214012] [2021-12-17 15:06:14,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:14,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:06:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:14,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:14,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187214012] [2021-12-17 15:06:14,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187214012] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:14,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:14,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:06:14,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50217248] [2021-12-17 15:06:14,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:14,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:06:14,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:14,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:06:14,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:06:14,979 INFO L87 Difference]: Start difference. First operand has 67 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:06:14,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:14,997 INFO L93 Difference]: Finished difference Result 126 states and 169 transitions. [2021-12-17 15:06:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:06:14,999 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-17 15:06:14,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:15,004 INFO L225 Difference]: With dead ends: 126 [2021-12-17 15:06:15,004 INFO L226 Difference]: Without dead ends: 58 [2021-12-17 15:06:15,006 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:06:15,010 INFO L933 BasicCegarLoop]: 81 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, 81 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 [2021-12-17 15:06:15,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:15,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-12-17 15:06:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-12-17 15:06:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-17 15:06:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2021-12-17 15:06:15,037 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 23 [2021-12-17 15:06:15,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:15,037 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2021-12-17 15:06:15,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:06:15,038 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2021-12-17 15:06:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-17 15:06:15,039 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:15,039 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:15,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:06:15,040 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:15,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:15,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1914493388, now seen corresponding path program 1 times [2021-12-17 15:06:15,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:15,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419721628] [2021-12-17 15:06:15,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:15,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-17 15:06:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:15,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:15,130 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:15,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419721628] [2021-12-17 15:06:15,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419721628] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:15,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:15,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:06:15,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185030991] [2021-12-17 15:06:15,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:15,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:06:15,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:15,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:06:15,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:06:15,133 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:06:15,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:15,142 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2021-12-17 15:06:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:06:15,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-17 15:06:15,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:15,152 INFO L225 Difference]: With dead ends: 77 [2021-12-17 15:06:15,153 INFO L226 Difference]: Without dead ends: 49 [2021-12-17 15:06:15,153 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:06:15,154 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 96 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 [2021-12-17 15:06:15,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-12-17 15:06:15,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-12-17 15:06:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 15:06:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2021-12-17 15:06:15,160 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 24 [2021-12-17 15:06:15,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:15,161 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-12-17 15:06:15,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:06:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2021-12-17 15:06:15,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-17 15:06:15,162 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:15,162 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:15,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:06:15,163 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:15,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:15,163 INFO L85 PathProgramCache]: Analyzing trace with hash -832804307, now seen corresponding path program 1 times [2021-12-17 15:06:15,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:15,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743219435] [2021-12-17 15:06:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:15,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-17 15:06:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:15,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:15,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743219435] [2021-12-17 15:06:15,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743219435] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:15,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:15,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:06:15,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795331259] [2021-12-17 15:06:15,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:15,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:06:15,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:15,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:06:15,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:06:15,261 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-12-17 15:06:15,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:15,350 INFO L93 Difference]: Finished difference Result 130 states and 165 transitions. [2021-12-17 15:06:15,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:06:15,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2021-12-17 15:06:15,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:15,352 INFO L225 Difference]: With dead ends: 130 [2021-12-17 15:06:15,353 INFO L226 Difference]: Without dead ends: 88 [2021-12-17 15:06:15,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:06:15,354 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 128 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:06:15,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 174 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:15,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-12-17 15:06:15,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 83. [2021-12-17 15:06:15,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 66 states have (on average 1.3333333333333333) internal successors, (88), 71 states have internal predecessors, (88), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2021-12-17 15:06:15,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2021-12-17 15:06:15,365 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 105 transitions. Word has length 29 [2021-12-17 15:06:15,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:15,366 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-12-17 15:06:15,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-12-17 15:06:15,366 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2021-12-17 15:06:15,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-17 15:06:15,367 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:15,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:15,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:06:15,367 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:15,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:15,368 INFO L85 PathProgramCache]: Analyzing trace with hash 106556984, now seen corresponding path program 1 times [2021-12-17 15:06:15,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:15,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62163673] [2021-12-17 15:06:15,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:15,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:06:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:15,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:15,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62163673] [2021-12-17 15:06:15,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62163673] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:15,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:15,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:06:15,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688018844] [2021-12-17 15:06:15,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:15,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:06:15,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:15,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:06:15,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:06:15,452 INFO L87 Difference]: Start difference. First operand 83 states and 105 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-12-17 15:06:15,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:15,534 INFO L93 Difference]: Finished difference Result 235 states and 308 transitions. [2021-12-17 15:06:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:06:15,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 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 30 [2021-12-17 15:06:15,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:15,536 INFO L225 Difference]: With dead ends: 235 [2021-12-17 15:06:15,536 INFO L226 Difference]: Without dead ends: 159 [2021-12-17 15:06:15,537 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:06:15,538 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 34 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:06:15,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 277 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:15,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-12-17 15:06:15,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 153. [2021-12-17 15:06:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 120 states have (on average 1.3166666666666667) internal successors, (158), 129 states have internal predecessors, (158), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (20), 16 states have call predecessors, (20), 16 states have call successors, (20) [2021-12-17 15:06:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 194 transitions. [2021-12-17 15:06:15,558 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 194 transitions. Word has length 30 [2021-12-17 15:06:15,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:15,558 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 194 transitions. [2021-12-17 15:06:15,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-12-17 15:06:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 194 transitions. [2021-12-17 15:06:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-17 15:06:15,560 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:06:15,560 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:06:15,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:06:15,560 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:06:15,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:06:15,561 INFO L85 PathProgramCache]: Analyzing trace with hash -474121476, now seen corresponding path program 1 times [2021-12-17 15:06:15,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:06:15,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41685537] [2021-12-17 15:06:15,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:06:15,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:06:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-17 15:06:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:06:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:06:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:06:15,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:06:15,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41685537] [2021-12-17 15:06:15,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41685537] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:06:15,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:06:15,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:06:15,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863227410] [2021-12-17 15:06:15,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:06:15,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:06:15,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:06:15,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:06:15,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:06:15,622 INFO L87 Difference]: Start difference. First operand 153 states and 194 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-12-17 15:06:15,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:06:15,709 INFO L93 Difference]: Finished difference Result 293 states and 379 transitions. [2021-12-17 15:06:15,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:06:15,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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 34 [2021-12-17 15:06:15,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:06:15,714 INFO L225 Difference]: With dead ends: 293 [2021-12-17 15:06:15,714 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:06:15,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:06:15,723 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 47 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:06:15,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 134 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:06:15,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:06:15,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:06:15,727 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) [2021-12-17 15:06:15,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:06:15,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-12-17 15:06:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:06:15,728 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:06:15,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-12-17 15:06:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:06:15,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:06:15,730 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:06:15,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:06:15,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:06:16,048 INFO L858 garLoopResultBuilder]: For program point L669-1(lines 665 676) no Hoare annotation was computed. [2021-12-17 15:06:16,049 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 665 676) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) [2021-12-17 15:06:16,049 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 665 676) no Hoare annotation was computed. [2021-12-17 15:06:16,049 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 677 685) the Hoare annotation is: true [2021-12-17 15:06:16,049 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 677 685) no Hoare annotation was computed. [2021-12-17 15:06:16,049 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 677 685) no Hoare annotation was computed. [2021-12-17 15:06:16,050 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 784 813) no Hoare annotation was computed. [2021-12-17 15:06:16,050 INFO L858 garLoopResultBuilder]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-12-17 15:06:16,050 INFO L861 garLoopResultBuilder]: At program point L798-1(lines 798 802) the Hoare annotation is: true [2021-12-17 15:06:16,050 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 784 813) the Hoare annotation is: true [2021-12-17 15:06:16,050 INFO L858 garLoopResultBuilder]: For program point L795(line 795) no Hoare annotation was computed. [2021-12-17 15:06:16,050 INFO L861 garLoopResultBuilder]: At program point L794-2(lines 794 808) the Hoare annotation is: true [2021-12-17 15:06:16,051 INFO L861 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: true [2021-12-17 15:06:16,051 INFO L858 garLoopResultBuilder]: For program point L790-1(line 790) no Hoare annotation was computed. [2021-12-17 15:06:16,051 INFO L861 garLoopResultBuilder]: At program point L809(lines 784 813) the Hoare annotation is: true [2021-12-17 15:06:16,051 INFO L858 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2021-12-17 15:06:16,051 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-17 15:06:16,052 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 148 167) no Hoare annotation was computed. [2021-12-17 15:06:16,052 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 145 168) no Hoare annotation was computed. [2021-12-17 15:06:16,052 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 649) no Hoare annotation was computed. [2021-12-17 15:06:16,053 INFO L854 garLoopResultBuilder]: At program point L645-2(lines 641 652) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,053 INFO L858 garLoopResultBuilder]: For program point L769(lines 769 775) no Hoare annotation was computed. [2021-12-17 15:06:16,053 INFO L858 garLoopResultBuilder]: For program point L765(lines 765 778) no Hoare annotation was computed. [2021-12-17 15:06:16,053 INFO L854 garLoopResultBuilder]: At program point L765-1(lines 757 781) the Hoare annotation is: (or (= |timeShift___utac_acc__Specification1_spec__1_~tmp~4#1| 0) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-12-17 15:06:16,053 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 156 162) no Hoare annotation was computed. [2021-12-17 15:06:16,053 INFO L861 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2021-12-17 15:06:16,053 INFO L858 garLoopResultBuilder]: For program point L763-1(line 763) no Hoare annotation was computed. [2021-12-17 15:06:16,054 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,054 INFO L854 garLoopResultBuilder]: At program point L208(lines 203 211) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= |timeShift_isPumpRunning_#res#1| 0)))) [2021-12-17 15:06:16,055 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 145 168) the Hoare annotation is: true [2021-12-17 15:06:16,055 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 175) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2021-12-17 15:06:16,055 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 145 168) no Hoare annotation was computed. [2021-12-17 15:06:16,055 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-17 15:06:16,055 INFO L854 garLoopResultBuilder]: At program point L737(lines 733 739) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,055 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 872) no Hoare annotation was computed. [2021-12-17 15:06:16,056 INFO L854 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,056 INFO L858 garLoopResultBuilder]: For program point L865-2(lines 865 872) no Hoare annotation was computed. [2021-12-17 15:06:16,056 INFO L854 garLoopResultBuilder]: At program point L122(lines 75 124) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,056 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-12-17 15:06:16,056 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2021-12-17 15:06:16,056 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 81) no Hoare annotation was computed. [2021-12-17 15:06:16,056 INFO L861 garLoopResultBuilder]: At program point L874(lines 855 877) the Hoare annotation is: true [2021-12-17 15:06:16,057 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:06:16,057 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:06:16,057 INFO L854 garLoopResultBuilder]: At program point L189(lines 184 191) the Hoare annotation is: false [2021-12-17 15:06:16,058 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:06:16,058 INFO L854 garLoopResultBuilder]: At program point L268(lines 263 270) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,059 INFO L854 garLoopResultBuilder]: At program point L842(lines 838 844) the Hoare annotation is: (and (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,059 INFO L854 garLoopResultBuilder]: At program point L260(lines 248 262) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,060 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:06:16,060 INFO L861 garLoopResultBuilder]: At program point L128(lines 65 132) the Hoare annotation is: true [2021-12-17 15:06:16,060 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2021-12-17 15:06:16,060 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 95 101) no Hoare annotation was computed. [2021-12-17 15:06:16,060 INFO L858 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed. [2021-12-17 15:06:16,061 INFO L858 garLoopResultBuilder]: For program point L252-2(lines 252 258) no Hoare annotation was computed. [2021-12-17 15:06:16,061 INFO L854 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,061 INFO L854 garLoopResultBuilder]: At program point L752(lines 747 755) the Hoare annotation is: (and (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,061 INFO L854 garLoopResultBuilder]: At program point L744(lines 740 746) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,061 INFO L854 garLoopResultBuilder]: At program point L125(lines 74 126) the Hoare annotation is: false [2021-12-17 15:06:16,061 INFO L861 garLoopResultBuilder]: At program point L852(lines 845 854) the Hoare annotation is: true [2021-12-17 15:06:16,061 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-12-17 15:06:16,062 INFO L854 garLoopResultBuilder]: At program point L113-2(lines 105 120) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~pumpRunning~0 0)) [2021-12-17 15:06:16,062 INFO L858 garLoopResultBuilder]: For program point L76(lines 75 124) no Hoare annotation was computed. [2021-12-17 15:06:16,062 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 120) no Hoare annotation was computed. [2021-12-17 15:06:16,062 INFO L858 garLoopResultBuilder]: For program point L657-1(lines 653 664) no Hoare annotation was computed. [2021-12-17 15:06:16,062 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 653 664) no Hoare annotation was computed. [2021-12-17 15:06:16,062 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 653 664) the Hoare annotation is: true [2021-12-17 15:06:16,065 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-17 15:06:16,066 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:06:16,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:06:16 BoogieIcfgContainer [2021-12-17 15:06:16,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:06:16,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:06:16,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:06:16,082 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:06:16,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:06:14" (3/4) ... [2021-12-17 15:06:16,092 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:06:16,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:06:16,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-17 15:06:16,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:06:16,096 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:06:16,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:06:16,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2021-12-17 15:06:16,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:06:16,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:06:16,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:06:16,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:06:16,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:06:16,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:06:16,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:06:16,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:06:16,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && pumpRunning == 0 [2021-12-17 15:06:16,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:06:16,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && pumpRunning == 0 [2021-12-17 15:06:16,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) [2021-12-17 15:06:16,139 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:06:16,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:06:16,140 INFO L158 Benchmark]: Toolchain (without parser) took 2130.00ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 76.6MB in the beginning and 59.3MB in the end (delta: 17.3MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2021-12-17 15:06:16,140 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:06:16,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.38ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 74.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 15:06:16,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.03ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 72.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:06:16,141 INFO L158 Benchmark]: Boogie Preprocessor took 16.52ms. Allocated memory is still 104.9MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:06:16,142 INFO L158 Benchmark]: RCFGBuilder took 354.43ms. Allocated memory is still 104.9MB. Free memory was 70.7MB in the beginning and 56.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 15:06:16,143 INFO L158 Benchmark]: TraceAbstraction took 1359.54ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 56.0MB in the beginning and 63.5MB in the end (delta: -7.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-12-17 15:06:16,143 INFO L158 Benchmark]: Witness Printer took 58.06ms. Allocated memory is still 138.4MB. Free memory was 63.5MB in the beginning and 59.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 15:06:16,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.38ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 74.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.03ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 72.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.52ms. Allocated memory is still 104.9MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.43ms. Allocated memory is still 104.9MB. Free memory was 70.7MB in the beginning and 56.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1359.54ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 56.0MB in the beginning and 63.5MB in the end (delta: -7.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 58.06ms. Allocated memory is still 138.4MB. Free memory was 63.5MB in the beginning and 59.3MB in the end (delta: 4.2MB). 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: 54]: 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 6 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 234 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 227 mSDsluCounter, 762 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 456 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 306 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred 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, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 174 PreInvPairs, 220 NumberOfFragments, 204 HoareAnnotationTreeSize, 174 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 989 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 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: 838]: Loop Invariant Derived loop invariant: (((1 == tmp && 1 == \result) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: ((1 == \result && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && pumpRunning == 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && pumpRunning == 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (tmp == 0 || !(pumpRunning == 0)) || !(methaneLevelCritical == 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 15:06:16,171 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