./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product24.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 e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:14:47,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:14:47,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:14:47,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:14:47,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:14:47,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:14:47,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:14:47,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:14:47,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:14:47,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:14:47,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:14:47,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:14:47,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:14:47,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:14:47,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:14:47,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:14:47,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:14:47,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:14:47,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:14:47,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:14:47,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:14:47,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:14:47,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:14:47,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:14:47,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:14:47,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:14:47,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:14:47,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:14:47,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:14:47,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:14:47,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:14:47,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:14:47,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:14:47,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:14:47,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:14:47,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:14:47,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:14:47,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:14:47,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:14:47,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:14:47,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:14:47,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:14:47,362 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:14:47,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:14:47,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:14:47,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:14:47,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:14:47,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:14:47,365 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:14:47,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:14:47,365 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:14:47,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:14:47,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:14:47,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:14:47,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:14:47,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:14:47,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:14:47,367 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:14:47,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:14:47,367 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:14:47,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:14:47,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:14:47,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:14:47,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:14:47,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:14:47,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:14:47,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:14:47,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:14:47,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:14:47,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:14:47,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:14:47,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:14:47,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 [2021-08-29 16:14:47,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:14:47,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:14:47,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:14:47,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:14:47,617 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:14:47,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2021-08-29 16:14:47,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d51bfaf53/eca6903beb9b486f9f9b8dd6edd60fbf/FLAGf3c7036c7 [2021-08-29 16:14:48,043 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:14:48,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2021-08-29 16:14:48,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d51bfaf53/eca6903beb9b486f9f9b8dd6edd60fbf/FLAGf3c7036c7 [2021-08-29 16:14:48,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d51bfaf53/eca6903beb9b486f9f9b8dd6edd60fbf [2021-08-29 16:14:48,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:14:48,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:14:48,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:14:48,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:14:48,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:14:48,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188ddc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48, skipping insertion in model container [2021-08-29 16:14:48,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:14:48,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:14:48,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17127,17140] [2021-08-29 16:14:48,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:14:48,688 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:14:48,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17127,17140] [2021-08-29 16:14:48,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:14:48,743 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:14:48,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48 WrapperNode [2021-08-29 16:14:48,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:14:48,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:14:48,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:14:48,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:14:48,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:14:48,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:14:48,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:14:48,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:14:48,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:14:48,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:14:48,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:14:48,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:14:48,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (1/1) ... [2021-08-29 16:14:48,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:14:48,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:14:48,906 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) [2021-08-29 16:14:48,924 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 [2021-08-29 16:14:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:14:48,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:14:48,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:14:48,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:14:49,344 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:14:49,345 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-08-29 16:14:49,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:14:49 BoogieIcfgContainer [2021-08-29 16:14:49,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:14:49,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:14:49,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:14:49,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:14:49,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:14:48" (1/3) ... [2021-08-29 16:14:49,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f03ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:14:49, skipping insertion in model container [2021-08-29 16:14:49,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:14:48" (2/3) ... [2021-08-29 16:14:49,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f03ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:14:49, skipping insertion in model container [2021-08-29 16:14:49,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:14:49" (3/3) ... [2021-08-29 16:14:49,352 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2021-08-29 16:14:49,355 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:14:49,356 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:14:49,384 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:14:49,389 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-29 16:14:49,389 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:14:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 107 states have (on average 1.5514018691588785) internal successors, (166), 110 states have internal predecessors, (166), 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) [2021-08-29 16:14:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-29 16:14:49,407 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:49,407 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:14:49,408 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:49,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:49,411 INFO L82 PathProgramCache]: Analyzing trace with hash 936723076, now seen corresponding path program 1 times [2021-08-29 16:14:49,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:49,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177997668] [2021-08-29 16:14:49,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:49,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:49,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:49,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:49,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177997668] [2021-08-29 16:14:49,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177997668] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:49,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:49,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:14:49,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458109686] [2021-08-29 16:14:49,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:14:49,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:49,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:14:49,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:14:49,642 INFO L87 Difference]: Start difference. First operand has 111 states, 107 states have (on average 1.5514018691588785) internal successors, (166), 110 states have internal predecessors, (166), 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) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-08-29 16:14:49,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:49,881 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2021-08-29 16:14:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:14:49,883 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) Word has length 18 [2021-08-29 16:14:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:49,904 INFO L225 Difference]: With dead ends: 215 [2021-08-29 16:14:49,904 INFO L226 Difference]: Without dead ends: 107 [2021-08-29 16:14:49,907 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:14:49,909 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 176.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 215.55ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:49,910 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 159 Unknown, 0 Unchecked, 0.89ms Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 215.55ms Time] [2021-08-29 16:14:49,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-08-29 16:14:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-08-29 16:14:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 104 states have (on average 1.4807692307692308) internal successors, (154), 106 states have internal predecessors, (154), 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) [2021-08-29 16:14:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2021-08-29 16:14:49,936 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2021-08-29 16:14:49,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:49,936 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2021-08-29 16:14:49,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-08-29 16:14:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2021-08-29 16:14:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 16:14:49,937 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:49,938 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:14:49,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:14:49,938 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:49,939 INFO L82 PathProgramCache]: Analyzing trace with hash 717887107, now seen corresponding path program 1 times [2021-08-29 16:14:49,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:49,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494467623] [2021-08-29 16:14:49,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:49,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:50,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:50,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494467623] [2021-08-29 16:14:50,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494467623] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:50,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:50,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:14:50,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477388394] [2021-08-29 16:14:50,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:14:50,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:50,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:14:50,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:50,012 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-08-29 16:14:50,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:50,107 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2021-08-29 16:14:50,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:14:50,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 19 [2021-08-29 16:14:50,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:50,109 INFO L225 Difference]: With dead ends: 107 [2021-08-29 16:14:50,109 INFO L226 Difference]: Without dead ends: 47 [2021-08-29 16:14:50,109 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.91ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:50,110 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 59 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.67ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 85.19ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:50,111 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 0 Invalid, 73 Unknown, 0 Unchecked, 0.67ms Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 85.19ms Time] [2021-08-29 16:14:50,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-08-29 16:14:50,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-08-29 16:14:50,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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) [2021-08-29 16:14:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-08-29 16:14:50,115 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2021-08-29 16:14:50,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:50,116 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-08-29 16:14:50,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-08-29 16:14:50,116 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-08-29 16:14:50,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:14:50,117 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:50,117 INFO L513 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] [2021-08-29 16:14:50,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:14:50,117 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:50,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:50,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2097278400, now seen corresponding path program 1 times [2021-08-29 16:14:50,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:50,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79685148] [2021-08-29 16:14:50,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:50,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:50,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:50,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79685148] [2021-08-29 16:14:50,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79685148] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:50,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:50,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:14:50,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203293859] [2021-08-29 16:14:50,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:14:50,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:50,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:14:50,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:50,191 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-08-29 16:14:50,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:50,346 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2021-08-29 16:14:50,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:14:50,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2021-08-29 16:14:50,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:50,352 INFO L225 Difference]: With dead ends: 127 [2021-08-29 16:14:50,352 INFO L226 Difference]: Without dead ends: 87 [2021-08-29 16:14:50,352 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:14:50,357 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 62 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.11ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.02ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:50,359 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 0 Invalid, 127 Unknown, 0 Unchecked, 1.11ms Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 135.02ms Time] [2021-08-29 16:14:50,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-08-29 16:14:50,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2021-08-29 16:14:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.4878048780487805) internal successors, (122), 82 states have internal predecessors, (122), 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) [2021-08-29 16:14:50,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2021-08-29 16:14:50,371 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 24 [2021-08-29 16:14:50,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:50,372 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2021-08-29 16:14:50,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-08-29 16:14:50,372 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2021-08-29 16:14:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 16:14:50,373 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:50,373 INFO L513 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] [2021-08-29 16:14:50,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:14:50,373 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:50,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:50,374 INFO L82 PathProgramCache]: Analyzing trace with hash 36896594, now seen corresponding path program 1 times [2021-08-29 16:14:50,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:50,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197831206] [2021-08-29 16:14:50,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:50,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:50,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:50,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197831206] [2021-08-29 16:14:50,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197831206] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:50,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:50,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:14:50,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214738993] [2021-08-29 16:14:50,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:14:50,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:50,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:14:50,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:14:50,437 INFO L87 Difference]: Start difference. First operand 83 states and 122 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-08-29 16:14:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:50,783 INFO L93 Difference]: Finished difference Result 409 states and 623 transitions. [2021-08-29 16:14:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:14:50,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) Word has length 26 [2021-08-29 16:14:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:50,785 INFO L225 Difference]: With dead ends: 409 [2021-08-29 16:14:50,785 INFO L226 Difference]: Without dead ends: 333 [2021-08-29 16:14:50,786 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 24.47ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:14:50,786 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 210 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 228.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.83ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 300.12ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:50,787 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 0 Invalid, 462 Unknown, 0 Unchecked, 3.83ms Time], IncrementalHoareTripleChecker [8 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 300.12ms Time] [2021-08-29 16:14:50,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-08-29 16:14:50,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 151. [2021-08-29 16:14:50,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.48) internal successors, (222), 150 states have internal predecessors, (222), 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) [2021-08-29 16:14:50,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2021-08-29 16:14:50,816 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 26 [2021-08-29 16:14:50,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:50,817 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2021-08-29 16:14:50,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2021-08-29 16:14:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2021-08-29 16:14:50,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-29 16:14:50,819 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:14:50,819 INFO L513 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] [2021-08-29 16:14:50,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:14:50,819 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:14:50,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:14:50,823 INFO L82 PathProgramCache]: Analyzing trace with hash -979197478, now seen corresponding path program 1 times [2021-08-29 16:14:50,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:14:50,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018734209] [2021-08-29 16:14:50,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:14:50,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:14:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:14:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:14:50,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:14:50,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018734209] [2021-08-29 16:14:50,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018734209] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:14:50,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:14:50,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:14:50,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619669183] [2021-08-29 16:14:50,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:14:50,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:14:50,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:14:50,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:14:50,899 INFO L87 Difference]: Start difference. First operand 151 states and 222 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-08-29 16:14:51,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:14:51,058 INFO L93 Difference]: Finished difference Result 359 states and 544 transitions. [2021-08-29 16:14:51,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:14:51,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) Word has length 27 [2021-08-29 16:14:51,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:14:51,059 INFO L225 Difference]: With dead ends: 359 [2021-08-29 16:14:51,059 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:14:51,060 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.30ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:14:51,073 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 94 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.92ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.97ms IncrementalHoareTripleChecker+Time [2021-08-29 16:14:51,074 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 0 Invalid, 166 Unknown, 0 Unchecked, 0.92ms Time], IncrementalHoareTripleChecker [4 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 136.97ms Time] [2021-08-29 16:14:51,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:14:51,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:14:51,075 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) [2021-08-29 16:14:51,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:14:51,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-08-29 16:14:51,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:14:51,075 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:14:51,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-08-29 16:14:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:14:51,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:14:51,078 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:14:51,078 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:14:51,078 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:14:51,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:14:51,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:14:51,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,119 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:14:51,251 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2021-08-29 16:14:51,251 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 241) no Hoare annotation was computed. [2021-08-29 16:14:51,252 INFO L854 garLoopResultBuilder]: At program point L235-1(lines 235 241) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:14:51,253 INFO L858 garLoopResultBuilder]: For program point L269(lines 268 317) no Hoare annotation was computed. [2021-08-29 16:14:51,254 INFO L854 garLoopResultBuilder]: At program point L963(lines 958 966) the Hoare annotation is: false [2021-08-29 16:14:51,254 INFO L854 garLoopResultBuilder]: At program point L963-1(lines 958 966) the Hoare annotation is: false [2021-08-29 16:14:51,254 INFO L858 garLoopResultBuilder]: For program point L897(lines 897 901) no Hoare annotation was computed. [2021-08-29 16:14:51,254 INFO L854 garLoopResultBuilder]: At program point L963-2(lines 958 966) the Hoare annotation is: false [2021-08-29 16:14:51,254 INFO L854 garLoopResultBuilder]: At program point L963-3(lines 958 966) the Hoare annotation is: false [2021-08-29 16:14:51,255 INFO L854 garLoopResultBuilder]: At program point L963-4(lines 958 966) the Hoare annotation is: false [2021-08-29 16:14:51,255 INFO L854 garLoopResultBuilder]: At program point L963-5(lines 958 966) the Hoare annotation is: false [2021-08-29 16:14:51,255 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2021-08-29 16:14:51,255 INFO L854 garLoopResultBuilder]: At program point L172(lines 167 175) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-29 16:14:51,255 INFO L854 garLoopResultBuilder]: At program point L172-1(lines 167 175) the Hoare annotation is: false [2021-08-29 16:14:51,255 INFO L854 garLoopResultBuilder]: At program point L172-2(lines 167 175) the Hoare annotation is: false [2021-08-29 16:14:51,256 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 312) no Hoare annotation was computed. [2021-08-29 16:14:51,256 INFO L854 garLoopResultBuilder]: At program point L306-1(lines 61 67) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:14:51,256 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2021-08-29 16:14:51,256 INFO L854 garLoopResultBuilder]: At program point L836(lines 831 838) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:51,256 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2021-08-29 16:14:51,256 INFO L854 garLoopResultBuilder]: At program point L278-1(lines 278 284) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:14:51,256 INFO L858 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2021-08-29 16:14:51,257 INFO L858 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2021-08-29 16:14:51,257 INFO L858 garLoopResultBuilder]: For program point L873-2(line 873) no Hoare annotation was computed. [2021-08-29 16:14:51,257 INFO L854 garLoopResultBuilder]: At program point L742-2(lines 742 756) the Hoare annotation is: false [2021-08-29 16:14:51,257 INFO L858 garLoopResultBuilder]: For program point L743(line 743) no Hoare annotation was computed. [2021-08-29 16:14:51,257 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 913) no Hoare annotation was computed. [2021-08-29 16:14:51,257 INFO L858 garLoopResultBuilder]: For program point L746(lines 746 750) no Hoare annotation was computed. [2021-08-29 16:14:51,257 INFO L858 garLoopResultBuilder]: For program point L746-1(lines 61 67) no Hoare annotation was computed. [2021-08-29 16:14:51,258 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:14:51,259 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 136) no Hoare annotation was computed. [2021-08-29 16:14:51,259 INFO L858 garLoopResultBuilder]: For program point L119-1(lines 119 136) no Hoare annotation was computed. [2021-08-29 16:14:51,259 INFO L858 garLoopResultBuilder]: For program point L119-2(lines 119 136) no Hoare annotation was computed. [2021-08-29 16:14:51,259 INFO L854 garLoopResultBuilder]: At program point L318(lines 267 319) the Hoare annotation is: false [2021-08-29 16:14:51,260 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2021-08-29 16:14:51,260 INFO L854 garLoopResultBuilder]: At program point L847-1(lines 1 966) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:14:51,260 INFO L858 garLoopResultBuilder]: For program point L847-2(lines 847 864) no Hoare annotation was computed. [2021-08-29 16:14:51,260 INFO L854 garLoopResultBuilder]: At program point L847-3(lines 1 966) the Hoare annotation is: false [2021-08-29 16:14:51,260 INFO L858 garLoopResultBuilder]: For program point L847-4(lines 847 864) no Hoare annotation was computed. [2021-08-29 16:14:51,262 INFO L854 garLoopResultBuilder]: At program point L847-5(lines 1 966) the Hoare annotation is: false [2021-08-29 16:14:51,262 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 822) no Hoare annotation was computed. [2021-08-29 16:14:51,263 INFO L861 garLoopResultBuilder]: At program point L815-1(lines 815 822) the Hoare annotation is: true [2021-08-29 16:14:51,263 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,265 INFO L858 garLoopResultBuilder]: For program point L221-2(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,265 INFO L858 garLoopResultBuilder]: For program point L221-3(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,265 INFO L858 garLoopResultBuilder]: For program point L221-5(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,265 INFO L858 garLoopResultBuilder]: For program point L221-6(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,265 INFO L858 garLoopResultBuilder]: For program point L221-8(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,266 INFO L858 garLoopResultBuilder]: For program point L221-9(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,266 INFO L858 garLoopResultBuilder]: For program point L221-11(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,266 INFO L858 garLoopResultBuilder]: For program point L221-12(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,266 INFO L858 garLoopResultBuilder]: For program point L221-14(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,266 INFO L858 garLoopResultBuilder]: For program point L221-15(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,267 INFO L858 garLoopResultBuilder]: For program point L221-17(lines 221 225) no Hoare annotation was computed. [2021-08-29 16:14:51,267 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-08-29 16:14:51,267 INFO L854 garLoopResultBuilder]: At program point L288-1(lines 288 294) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:14:51,267 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 131) no Hoare annotation was computed. [2021-08-29 16:14:51,267 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 123 131) no Hoare annotation was computed. [2021-08-29 16:14:51,267 INFO L858 garLoopResultBuilder]: For program point L123-2(lines 123 131) no Hoare annotation was computed. [2021-08-29 16:14:51,267 INFO L854 garLoopResultBuilder]: At program point L718(lines 1 966) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:51,268 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:14:51,268 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 861) no Hoare annotation was computed. [2021-08-29 16:14:51,268 INFO L858 garLoopResultBuilder]: For program point L851-2(lines 851 861) no Hoare annotation was computed. [2021-08-29 16:14:51,268 INFO L858 garLoopResultBuilder]: For program point L851-4(lines 851 861) no Hoare annotation was computed. [2021-08-29 16:14:51,268 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 889) no Hoare annotation was computed. [2021-08-29 16:14:51,268 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2021-08-29 16:14:51,269 INFO L858 garLoopResultBuilder]: For program point L885-3(lines 885 889) no Hoare annotation was computed. [2021-08-29 16:14:51,269 INFO L858 garLoopResultBuilder]: For program point L852-2(lines 852 858) no Hoare annotation was computed. [2021-08-29 16:14:51,269 INFO L858 garLoopResultBuilder]: For program point L852-4(lines 852 858) no Hoare annotation was computed. [2021-08-29 16:14:51,270 INFO L858 garLoopResultBuilder]: For program point L885-6(lines 885 889) no Hoare annotation was computed. [2021-08-29 16:14:51,271 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 110) no Hoare annotation was computed. [2021-08-29 16:14:51,271 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 93 110) no Hoare annotation was computed. [2021-08-29 16:14:51,271 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 110) no Hoare annotation was computed. [2021-08-29 16:14:51,271 INFO L858 garLoopResultBuilder]: For program point L93-3(lines 93 110) no Hoare annotation was computed. [2021-08-29 16:14:51,271 INFO L858 garLoopResultBuilder]: For program point L93-4(lines 93 110) no Hoare annotation was computed. [2021-08-29 16:14:51,271 INFO L858 garLoopResultBuilder]: For program point L93-5(lines 93 110) no Hoare annotation was computed. [2021-08-29 16:14:51,272 INFO L854 garLoopResultBuilder]: At program point L61(lines 60 79) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:14:51,272 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:14:51,272 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 61 67) no Hoare annotation was computed. [2021-08-29 16:14:51,272 INFO L854 garLoopResultBuilder]: At program point L61-2(lines 60 79) the Hoare annotation is: false [2021-08-29 16:14:51,272 INFO L854 garLoopResultBuilder]: At program point L61-3(lines 60 79) the Hoare annotation is: false [2021-08-29 16:14:51,273 INFO L854 garLoopResultBuilder]: At program point L227(lines 212 230) the Hoare annotation is: false [2021-08-29 16:14:51,273 INFO L854 garLoopResultBuilder]: At program point L227-1(lines 212 230) the Hoare annotation is: false [2021-08-29 16:14:51,273 INFO L854 garLoopResultBuilder]: At program point L227-2(lines 212 230) the Hoare annotation is: false [2021-08-29 16:14:51,273 INFO L854 garLoopResultBuilder]: At program point L227-3(lines 212 230) the Hoare annotation is: false [2021-08-29 16:14:51,273 INFO L854 garLoopResultBuilder]: At program point L227-4(lines 212 230) the Hoare annotation is: false [2021-08-29 16:14:51,273 INFO L854 garLoopResultBuilder]: At program point L227-5(lines 212 230) the Hoare annotation is: false [2021-08-29 16:14:51,274 INFO L854 garLoopResultBuilder]: At program point L922(lines 917 925) the Hoare annotation is: false [2021-08-29 16:14:51,274 INFO L854 garLoopResultBuilder]: At program point L922-1(lines 917 925) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:14:51,276 INFO L854 garLoopResultBuilder]: At program point L922-2(lines 917 925) the Hoare annotation is: false [2021-08-29 16:14:51,276 INFO L854 garLoopResultBuilder]: At program point L922-3(lines 917 925) the Hoare annotation is: false [2021-08-29 16:14:51,276 INFO L854 garLoopResultBuilder]: At program point L790(lines 786 792) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:51,277 INFO L854 garLoopResultBuilder]: At program point L922-4(lines 917 925) the Hoare annotation is: false [2021-08-29 16:14:51,277 INFO L854 garLoopResultBuilder]: At program point L922-5(lines 917 925) the Hoare annotation is: false [2021-08-29 16:14:51,277 INFO L854 garLoopResultBuilder]: At program point L163(lines 156 166) the Hoare annotation is: false [2021-08-29 16:14:51,277 INFO L854 garLoopResultBuilder]: At program point L163-1(lines 156 166) the Hoare annotation is: false [2021-08-29 16:14:51,277 INFO L858 garLoopResultBuilder]: For program point L97(lines 97 105) no Hoare annotation was computed. [2021-08-29 16:14:51,277 INFO L854 garLoopResultBuilder]: At program point L163-2(lines 156 166) the Hoare annotation is: false [2021-08-29 16:14:51,282 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 97 105) no Hoare annotation was computed. [2021-08-29 16:14:51,283 INFO L858 garLoopResultBuilder]: For program point L97-2(lines 97 105) no Hoare annotation was computed. [2021-08-29 16:14:51,283 INFO L858 garLoopResultBuilder]: For program point L97-3(lines 97 105) no Hoare annotation was computed. [2021-08-29 16:14:51,283 INFO L858 garLoopResultBuilder]: For program point L97-4(lines 97 105) no Hoare annotation was computed. [2021-08-29 16:14:51,283 INFO L858 garLoopResultBuilder]: For program point L97-5(lines 97 105) no Hoare annotation was computed. [2021-08-29 16:14:51,283 INFO L861 garLoopResultBuilder]: At program point L824(lines 805 827) the Hoare annotation is: true [2021-08-29 16:14:51,283 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:14:51,284 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2021-08-29 16:14:51,284 INFO L854 garLoopResultBuilder]: At program point L726(lines 721 729) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:14:51,284 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 313) no Hoare annotation was computed. [2021-08-29 16:14:51,284 INFO L854 garLoopResultBuilder]: At program point L68(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-29 16:14:51,285 INFO L854 garLoopResultBuilder]: At program point L68-1(lines 68 74) the Hoare annotation is: false [2021-08-29 16:14:51,285 INFO L854 garLoopResultBuilder]: At program point L68-2(lines 68 74) the Hoare annotation is: false [2021-08-29 16:14:51,290 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:14:51,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:14:51 BoogieIcfgContainer [2021-08-29 16:14:51,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:14:51,313 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:14:51,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:14:51,314 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:14:51,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:14:49" (3/4) ... [2021-08-29 16:14:51,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:14:51,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:14:51,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:14:51,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:14:51,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:14:51,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:14:51,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:14:51,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:14:51,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-29 16:14:51,399 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:14:51,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:14:51,399 INFO L158 Benchmark]: Toolchain (without parser) took 2977.17ms. Allocated memory was 50.3MB in the beginning and 86.0MB in the end (delta: 35.7MB). Free memory was 26.4MB in the beginning and 41.1MB in the end (delta: -14.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-08-29 16:14:51,400 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:14:51,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.39ms. Allocated memory was 50.3MB in the beginning and 71.3MB in the end (delta: 21.0MB). Free memory was 26.2MB in the beginning and 46.9MB in the end (delta: -20.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-08-29 16:14:51,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.34ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 43.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:14:51,400 INFO L158 Benchmark]: Boogie Preprocessor took 43.12ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 40.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:14:51,401 INFO L158 Benchmark]: RCFGBuilder took 473.76ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 37.7MB in the end (delta: 3.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-08-29 16:14:51,401 INFO L158 Benchmark]: TraceAbstraction took 1965.17ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.3MB in the beginning and 50.9MB in the end (delta: -13.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-08-29 16:14:51,401 INFO L158 Benchmark]: Witness Printer took 85.78ms. Allocated memory is still 86.0MB. Free memory was 50.2MB in the beginning and 41.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 16:14:51,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.39ms. Allocated memory was 50.3MB in the beginning and 71.3MB in the end (delta: 21.0MB). Free memory was 26.2MB in the beginning and 46.9MB in the end (delta: -20.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.34ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 43.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.12ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 40.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 473.76ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 37.7MB in the end (delta: 3.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1965.17ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.3MB in the beginning and 50.9MB in the end (delta: -13.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 85.78ms. Allocated memory is still 86.0MB. Free memory was 50.2MB in the beginning and 41.1MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 873]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 873]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 873]: 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 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1905.73ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 10.67ms, AutomataDifference: 1089.37ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 171.98ms, InitialAbstractionConstructionTime: 10.64ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 425 SdHoareTripleChecker+Valid, 872.85ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 425 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 679.53ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 453 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 974 IncrementalHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 0 mSDtfsCounter, 974 mSolverCounterSat, 7.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.19ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 61.97ms AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 138 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 115.22ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 44.24ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 16.03ms SsaConstructionTime, 148.70ms SatisfiabilityAnalysisTime, 256.54ms InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 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 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:14:51,438 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...