./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product17.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_spec1_product17.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 aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:22:47,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:22:47,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:22:47,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:22:47,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:22:47,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:22:47,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:22:47,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:22:47,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:22:47,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:22:47,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:22:47,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:22:47,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:22:47,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:22:47,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:22:47,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:22:47,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:22:47,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:22:47,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:22:47,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:22:47,254 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:22:47,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:22:47,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:22:47,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:22:47,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:22:47,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:22:47,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:22:47,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:22:47,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:22:47,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:22:47,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:22:47,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:22:47,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:22:47,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:22:47,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:22:47,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:22:47,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:22:47,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:22:47,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:22:47,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:22:47,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:22:47,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:22:47,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:22:47,303 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:22:47,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:22:47,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:22:47,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:22:47,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:22:47,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:22:47,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:22:47,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:22:47,306 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:22:47,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:22:47,308 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:22:47,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:22:47,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:22:47,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:22:47,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:22:47,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:22:47,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:22:47,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:22:47,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:22:47,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:22:47,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:22:47,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:22:47,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:22:47,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:22:47,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:22:47,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:22:47,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:22:47,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:22:47,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:22:47,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:22:47,312 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:22:47,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:22:47,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:22:47,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f [2022-07-19 17:22:47,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:22:47,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:22:47,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:22:47,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:22:47,579 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:22:47,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2022-07-19 17:22:47,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4212ebdb3/8b1305a9534841efb091e9a167fcc1a9/FLAG753272183 [2022-07-19 17:22:48,116 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:22:48,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2022-07-19 17:22:48,130 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4212ebdb3/8b1305a9534841efb091e9a167fcc1a9/FLAG753272183 [2022-07-19 17:22:48,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4212ebdb3/8b1305a9534841efb091e9a167fcc1a9 [2022-07-19 17:22:48,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:22:48,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:22:48,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:22:48,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:22:48,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:22:48,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4fee33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48, skipping insertion in model container [2022-07-19 17:22:48,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:22:48,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:22:48,436 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_product17.cil.c[13023,13036] [2022-07-19 17:22:48,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:22:48,474 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:22:48,553 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_product17.cil.c[13023,13036] [2022-07-19 17:22:48,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:22:48,597 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:22:48,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48 WrapperNode [2022-07-19 17:22:48,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:22:48,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:22:48,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:22:48,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:22:48,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,645 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 213 [2022-07-19 17:22:48,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:22:48,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:22:48,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:22:48,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:22:48,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:22:48,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:22:48,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:22:48,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:22:48,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (1/1) ... [2022-07-19 17:22:48,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:22:48,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:22:48,731 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 17:22:48,737 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 17:22:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:22:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:22:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:22:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:22:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:22:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:22:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:22:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:22:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:22:48,770 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:22:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:22:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:22:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:22:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:22:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:22:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:22:48,837 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:22:48,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:22:49,095 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:22:49,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:22:49,101 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:22:49,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:22:49 BoogieIcfgContainer [2022-07-19 17:22:49,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:22:49,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:22:49,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:22:49,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:22:49,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:22:48" (1/3) ... [2022-07-19 17:22:49,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475add0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:22:49, skipping insertion in model container [2022-07-19 17:22:49,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:22:48" (2/3) ... [2022-07-19 17:22:49,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@475add0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:22:49, skipping insertion in model container [2022-07-19 17:22:49,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:22:49" (3/3) ... [2022-07-19 17:22:49,111 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2022-07-19 17:22:49,124 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:22:49,124 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:22:49,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:22:49,186 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@573aaff6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f755d78 [2022-07-19 17:22:49,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:22:49,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 62 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-19 17:22:49,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 17:22:49,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:49,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:49,202 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:49,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:49,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1863512156, now seen corresponding path program 1 times [2022-07-19 17:22:49,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:49,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508797162] [2022-07-19 17:22:49,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:49,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:22:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:49,445 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 17:22:49,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:49,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508797162] [2022-07-19 17:22:49,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508797162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:49,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:49,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:22:49,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203525059] [2022-07-19 17:22:49,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:49,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:22:49,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:49,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:22:49,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:22:49,480 INFO L87 Difference]: Start difference. First operand has 73 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 62 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:49,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:49,507 INFO L93 Difference]: Finished difference Result 138 states and 187 transitions. [2022-07-19 17:22:49,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:22:49,510 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-19 17:22:49,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:49,517 INFO L225 Difference]: With dead ends: 138 [2022-07-19 17:22:49,518 INFO L226 Difference]: Without dead ends: 64 [2022-07-19 17:22:49,521 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 17:22:49,524 INFO L413 NwaCegarLoop]: 90 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, 90 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 17:22:49,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:22:49,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-07-19 17:22:49,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-07-19 17:22:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 54 states have internal predecessors, (64), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-19 17:22:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-07-19 17:22:49,562 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 23 [2022-07-19 17:22:49,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:49,563 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-07-19 17:22:49,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:49,563 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-07-19 17:22:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-19 17:22:49,565 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:49,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:49,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:22:49,566 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:49,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:49,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1636042670, now seen corresponding path program 1 times [2022-07-19 17:22:49,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:49,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027351195] [2022-07-19 17:22:49,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:49,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:22:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:49,641 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 17:22:49,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:49,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027351195] [2022-07-19 17:22:49,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027351195] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:49,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:49,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:22:49,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579509174] [2022-07-19 17:22:49,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:49,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:22:49,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:49,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:22:49,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:22:49,646 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:49,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:49,658 INFO L93 Difference]: Finished difference Result 94 states and 118 transitions. [2022-07-19 17:22:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:22:49,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-07-19 17:22:49,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:49,660 INFO L225 Difference]: With dead ends: 94 [2022-07-19 17:22:49,660 INFO L226 Difference]: Without dead ends: 55 [2022-07-19 17:22:49,661 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 17:22:49,662 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 12 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 120 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 17:22:49,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:22:49,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-07-19 17:22:49,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-07-19 17:22:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 48 states have internal predecessors, (57), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-19 17:22:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-07-19 17:22:49,670 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 24 [2022-07-19 17:22:49,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:49,670 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-07-19 17:22:49,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:49,670 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-07-19 17:22:49,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-19 17:22:49,671 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:49,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:49,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:22:49,672 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:49,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:49,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1620101616, now seen corresponding path program 1 times [2022-07-19 17:22:49,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:49,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085719904] [2022-07-19 17:22:49,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:49,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:22:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:49,772 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 17:22:49,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:49,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085719904] [2022-07-19 17:22:49,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085719904] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:49,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:49,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:22:49,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992738061] [2022-07-19 17:22:49,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:49,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:22:49,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:49,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:22:49,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:22:49,775 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:49,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:49,885 INFO L93 Difference]: Finished difference Result 103 states and 132 transitions. [2022-07-19 17:22:49,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:22:49,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-07-19 17:22:49,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:49,887 INFO L225 Difference]: With dead ends: 103 [2022-07-19 17:22:49,887 INFO L226 Difference]: Without dead ends: 55 [2022-07-19 17:22:49,888 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 17:22:49,889 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 95 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:49,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 136 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:22:49,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-07-19 17:22:49,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-07-19 17:22:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-07-19 17:22:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2022-07-19 17:22:49,903 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 28 [2022-07-19 17:22:49,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:49,904 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2022-07-19 17:22:49,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:22:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-07-19 17:22:49,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-19 17:22:49,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:49,910 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] [2022-07-19 17:22:49,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:22:49,911 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:49,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:49,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1951185566, now seen corresponding path program 1 times [2022-07-19 17:22:49,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:49,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801698192] [2022-07-19 17:22:49,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:49,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:50,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-19 17:22:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:22:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:50,023 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 17:22:50,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:50,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801698192] [2022-07-19 17:22:50,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801698192] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:50,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:50,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:22:50,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51047018] [2022-07-19 17:22:50,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:50,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:22:50,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:50,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:22:50,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:22:50,028 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:22:50,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:50,128 INFO L93 Difference]: Finished difference Result 150 states and 192 transitions. [2022-07-19 17:22:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:22:50,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-07-19 17:22:50,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:50,133 INFO L225 Difference]: With dead ends: 150 [2022-07-19 17:22:50,133 INFO L226 Difference]: Without dead ends: 102 [2022-07-19 17:22:50,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 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 17:22:50,135 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 41 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:50,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 321 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:22:50,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-07-19 17:22:50,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2022-07-19 17:22:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 85 states have internal predecessors, (99), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2022-07-19 17:22:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2022-07-19 17:22:50,155 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 33 [2022-07-19 17:22:50,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:50,156 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2022-07-19 17:22:50,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-19 17:22:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2022-07-19 17:22:50,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-19 17:22:50,160 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:50,160 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] [2022-07-19 17:22:50,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:22:50,160 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:50,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:50,161 INFO L85 PathProgramCache]: Analyzing trace with hash 867565658, now seen corresponding path program 1 times [2022-07-19 17:22:50,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:50,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865533008] [2022-07-19 17:22:50,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:50,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:22:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:22:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:50,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:22:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:50,258 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 17:22:50,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:50,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865533008] [2022-07-19 17:22:50,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865533008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:50,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:50,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:22:50,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940350393] [2022-07-19 17:22:50,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:50,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:22:50,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:50,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:22:50,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:22:50,268 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 17:22:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:50,359 INFO L93 Difference]: Finished difference Result 174 states and 219 transitions. [2022-07-19 17:22:50,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-19 17:22:50,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2022-07-19 17:22:50,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:50,361 INFO L225 Difference]: With dead ends: 174 [2022-07-19 17:22:50,361 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:22:50,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 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 17:22:50,370 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 45 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:50,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 115 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:22:50,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:22:50,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:22:50,372 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 17:22:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:22:50,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-07-19 17:22:50,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:50,373 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:22:50,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-19 17:22:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:22:50,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:22:50,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:22:50,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:22:50,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:22:50,840 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 590 596) no Hoare annotation was computed. [2022-07-19 17:22:50,841 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 590 596) the Hoare annotation is: true [2022-07-19 17:22:50,841 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 742 753) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-07-19 17:22:50,841 INFO L899 garLoopResultBuilder]: For program point L746-1(lines 742 753) no Hoare annotation was computed. [2022-07-19 17:22:50,841 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 742 753) no Hoare annotation was computed. [2022-07-19 17:22:50,842 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2022-07-19 17:22:50,842 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 708) no Hoare annotation was computed. [2022-07-19 17:22:50,842 INFO L895 garLoopResultBuilder]: At program point L655(lines 650 658) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-19 17:22:50,842 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 566 589) no Hoare annotation was computed. [2022-07-19 17:22:50,842 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2022-07-19 17:22:50,843 INFO L895 garLoopResultBuilder]: At program point L800(lines 795 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,843 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2022-07-19 17:22:50,843 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 614) no Hoare annotation was computed. [2022-07-19 17:22:50,843 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2022-07-19 17:22:50,843 INFO L895 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-07-19 17:22:50,844 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 619) no Hoare annotation was computed. [2022-07-19 17:22:50,844 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2022-07-19 17:22:50,844 INFO L895 garLoopResultBuilder]: At program point L722-2(lines 718 729) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,844 INFO L899 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2022-07-19 17:22:50,844 INFO L895 garLoopResultBuilder]: At program point L710(lines 695 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,845 INFO L895 garLoopResultBuilder]: At program point L636(lines 631 638) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,845 INFO L899 garLoopResultBuilder]: For program point L570-1(lines 569 588) no Hoare annotation was computed. [2022-07-19 17:22:50,845 INFO L895 garLoopResultBuilder]: At program point L554(lines 549 556) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,845 INFO L895 garLoopResultBuilder]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,845 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,846 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-07-19 17:22:50,846 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 566 589) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,846 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 566 589) no Hoare annotation was computed. [2022-07-19 17:22:50,846 INFO L895 garLoopResultBuilder]: At program point L617(line 617) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,847 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 553) no Hoare annotation was computed. [2022-07-19 17:22:50,847 INFO L895 garLoopResultBuilder]: At program point L617-1(lines 598 622) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-07-19 17:22:50,847 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 447 476) no Hoare annotation was computed. [2022-07-19 17:22:50,847 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 447 476) the Hoare annotation is: true [2022-07-19 17:22:50,847 INFO L902 garLoopResultBuilder]: At program point L472(lines 447 476) the Hoare annotation is: true [2022-07-19 17:22:50,848 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-07-19 17:22:50,848 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2022-07-19 17:22:50,848 INFO L902 garLoopResultBuilder]: At program point L461-1(lines 461 465) the Hoare annotation is: true [2022-07-19 17:22:50,848 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-07-19 17:22:50,848 INFO L902 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: true [2022-07-19 17:22:50,848 INFO L902 garLoopResultBuilder]: At program point L453(line 453) the Hoare annotation is: true [2022-07-19 17:22:50,849 INFO L899 garLoopResultBuilder]: For program point L453-1(line 453) no Hoare annotation was computed. [2022-07-19 17:22:50,849 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 754 762) the Hoare annotation is: true [2022-07-19 17:22:50,849 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 754 762) no Hoare annotation was computed. [2022-07-19 17:22:50,849 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 754 762) no Hoare annotation was computed. [2022-07-19 17:22:50,849 INFO L895 garLoopResultBuilder]: At program point L861(lines 814 862) the Hoare annotation is: false [2022-07-19 17:22:50,850 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 542) no Hoare annotation was computed. [2022-07-19 17:22:50,850 INFO L899 garLoopResultBuilder]: For program point L535-2(lines 535 542) no Hoare annotation was computed. [2022-07-19 17:22:50,850 INFO L899 garLoopResultBuilder]: For program point L816(lines 815 860) no Hoare annotation was computed. [2022-07-19 17:22:50,850 INFO L899 garLoopResultBuilder]: For program point L845(lines 845 856) no Hoare annotation was computed. [2022-07-19 17:22:50,850 INFO L902 garLoopResultBuilder]: At program point L519(lines 512 521) the Hoare annotation is: true [2022-07-19 17:22:50,851 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-07-19 17:22:50,851 INFO L902 garLoopResultBuilder]: At program point L544(lines 525 547) the Hoare annotation is: true [2022-07-19 17:22:50,851 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:22:50,851 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:22:50,851 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:22:50,851 INFO L895 garLoopResultBuilder]: At program point L858(lines 815 860) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-07-19 17:22:50,852 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 831) no Hoare annotation was computed. [2022-07-19 17:22:50,852 INFO L899 garLoopResultBuilder]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2022-07-19 17:22:50,852 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 821) no Hoare annotation was computed. [2022-07-19 17:22:50,852 INFO L895 garLoopResultBuilder]: At program point L900(lines 895 903) 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 17:22:50,852 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:22:50,853 INFO L895 garLoopResultBuilder]: At program point L892(lines 888 894) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:22:50,853 INFO L895 garLoopResultBuilder]: At program point L508(lines 504 510) 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~4#1| ~systemActive~0)) [2022-07-19 17:22:50,853 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 855) no Hoare annotation was computed. [2022-07-19 17:22:50,853 INFO L895 garLoopResultBuilder]: At program point L851-2(lines 845 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-07-19 17:22:50,853 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 841) no Hoare annotation was computed. [2022-07-19 17:22:50,854 INFO L899 garLoopResultBuilder]: For program point L835-1(lines 835 841) no Hoare annotation was computed. [2022-07-19 17:22:50,854 INFO L902 garLoopResultBuilder]: At program point L864(lines 805 868) the Hoare annotation is: true [2022-07-19 17:22:50,854 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-07-19 17:22:50,854 INFO L895 garLoopResultBuilder]: At program point L885(lines 881 887) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-07-19 17:22:50,854 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 730 741) no Hoare annotation was computed. [2022-07-19 17:22:50,855 INFO L899 garLoopResultBuilder]: For program point L734-1(lines 730 741) no Hoare annotation was computed. [2022-07-19 17:22:50,855 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 730 741) the Hoare annotation is: true [2022-07-19 17:22:50,858 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-19 17:22:50,860 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:22:50,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:22:50 BoogieIcfgContainer [2022-07-19 17:22:50,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:22:50,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:22:50,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:22:50,877 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:22:50,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:22:49" (3/4) ... [2022-07-19 17:22:50,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:22:50,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:22:50,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:22:50,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:22:50,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:22:50,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-19 17:22:50,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:22:50,896 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-07-19 17:22:50,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:22:50,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:22:50,897 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:22:50,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:22:50,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:22:50,899 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:22:50,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-07-19 17:22:50,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-07-19 17:22:50,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2022-07-19 17:22:50,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:50,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-07-19 17:22:50,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-07-19 17:22:50,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-19 17:22:50,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:50,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:50,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:50,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-07-19 17:22:50,943 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:22:50,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:22:50,944 INFO L158 Benchmark]: Toolchain (without parser) took 2798.88ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 76.4MB in the beginning and 91.2MB in the end (delta: -14.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-07-19 17:22:50,945 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:22:50,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.99ms. Allocated memory is still 107.0MB. Free memory was 76.4MB in the beginning and 76.5MB in the end (delta: -78.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:22:50,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.07ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:22:50,946 INFO L158 Benchmark]: Boogie Preprocessor took 38.05ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:22:50,946 INFO L158 Benchmark]: RCFGBuilder took 418.64ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 57.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-19 17:22:50,947 INFO L158 Benchmark]: TraceAbstraction took 1771.05ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.1MB in the beginning and 96.2MB in the end (delta: -39.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-07-19 17:22:50,947 INFO L158 Benchmark]: Witness Printer took 67.59ms. Allocated memory is still 130.0MB. Free memory was 96.2MB in the beginning and 91.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 17:22:50,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 44.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.99ms. Allocated memory is still 107.0MB. Free memory was 76.4MB in the beginning and 76.5MB in the end (delta: -78.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.07ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.05ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 72.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.64ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 57.5MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1771.05ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.1MB in the beginning and 96.2MB in the end (delta: -39.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 67.59ms. Allocated memory is still 130.0MB. Free memory was 96.2MB in the beginning and 91.2MB in the end (delta: 5.1MB). 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: 553]: 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 7 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 193 mSDsluCounter, 782 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 447 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 335 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 190 PreInvPairs, 212 NumberOfFragments, 298 HoareAnnotationTreeSize, 190 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 457 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 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: 695]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 17:22:50,996 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