./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product01.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 13018d05e5180308d22b24564c440286d54746ad ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:42:16,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:42:16,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:42:16,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:42:16,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:42:16,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:42:16,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:42:16,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:42:16,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:42:16,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:42:16,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:42:16,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:42:16,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:42:16,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:42:16,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:42:16,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:42:16,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:42:16,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:42:16,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:42:16,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:42:16,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:42:16,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:42:16,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:42:16,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:42:16,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:42:16,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:42:16,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:42:16,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:42:16,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:42:16,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:42:16,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:42:16,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:42:16,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:42:16,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:42:16,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:42:16,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:42:16,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:42:16,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:42:16,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:42:16,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:42:16,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:42:16,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:42:16,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:42:16,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:42:16,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:42:16,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:42:16,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:42:16,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:42:16,720 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:42:16,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:42:16,721 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:42:16,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:42:16,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:42:16,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:42:16,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:42:16,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:42:16,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:42:16,723 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:42:16,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:42:16,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:42:16,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:42:16,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:42:16,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:42:16,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:42:16,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:42:16,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:42:16,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:42:16,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:42:16,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:42:16,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:42:16,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:42:16,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:42:16,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13018d05e5180308d22b24564c440286d54746ad [2021-08-26 08:42:17,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:42:17,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:42:17,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:42:17,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:42:17,066 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:42:17,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2021-08-26 08:42:17,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b632ad5/56a281c37a9048a7a467aee617bd4591/FLAG98e06ffdc [2021-08-26 08:42:17,521 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:42:17,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product01.cil.c [2021-08-26 08:42:17,544 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b632ad5/56a281c37a9048a7a467aee617bd4591/FLAG98e06ffdc [2021-08-26 08:42:17,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b632ad5/56a281c37a9048a7a467aee617bd4591 [2021-08-26 08:42:17,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:42:17,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:42:17,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:42:17,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:42:17,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:42:17,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:42:17" (1/1) ... [2021-08-26 08:42:17,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3797216a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:17, skipping insertion in model container [2021-08-26 08:42:17,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:42:17" (1/1) ... [2021-08-26 08:42:17,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:42:17,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:42:18,132 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_spec1_product01.cil.c[6722,6735] [2021-08-26 08:42:18,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:42:18,241 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:42:18,280 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_spec1_product01.cil.c[6722,6735] [2021-08-26 08:42:18,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:42:18,328 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:42:18,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18 WrapperNode [2021-08-26 08:42:18,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:42:18,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:42:18,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:42:18,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:42:18,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:42:18,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:42:18,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:42:18,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:42:18,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:42:18,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:42:18,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:42:18,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:42:18,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (1/1) ... [2021-08-26 08:42:18,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:42:18,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:42:18,473 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) [2021-08-26 08:42:18,495 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 [2021-08-26 08:42:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:42:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:42:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:42:18,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:42:19,204 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:42:19,204 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-08-26 08:42:19,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:42:19 BoogieIcfgContainer [2021-08-26 08:42:19,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:42:19,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:42:19,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:42:19,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:42:19,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:42:17" (1/3) ... [2021-08-26 08:42:19,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49463231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:42:19, skipping insertion in model container [2021-08-26 08:42:19,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:42:18" (2/3) ... [2021-08-26 08:42:19,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49463231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:42:19, skipping insertion in model container [2021-08-26 08:42:19,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:42:19" (3/3) ... [2021-08-26 08:42:19,212 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2021-08-26 08:42:19,216 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:42:19,216 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:42:19,249 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:42:19,254 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 [2021-08-26 08:42:19,254 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:42:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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) [2021-08-26 08:42:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-26 08:42:19,273 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:19,274 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:42:19,274 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:42:19,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:19,282 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-08-26 08:42:19,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:19,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720799304] [2021-08-26 08:42:19,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:19,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:42:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:42:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:42:19,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:42:19,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720799304] [2021-08-26 08:42:19,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720799304] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:42:19,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:42:19,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:42:19,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029620298] [2021-08-26 08:42:19,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:42:19,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:42:19,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:42:19,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:42:19,584 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-26 08:42:19,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:42:19,608 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-08-26 08:42:19,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:42:19,610 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-08-26 08:42:19,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:42:19,617 INFO L225 Difference]: With dead ends: 108 [2021-08-26 08:42:19,617 INFO L226 Difference]: Without dead ends: 53 [2021-08-26 08:42:19,619 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:42:19,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-08-26 08:42:19,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-08-26 08:42:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 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) [2021-08-26 08:42:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-08-26 08:42:19,656 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-08-26 08:42:19,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:42:19,657 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-08-26 08:42:19,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-26 08:42:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-08-26 08:42:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-26 08:42:19,658 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:19,658 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:42:19,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:42:19,659 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:42:19,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:19,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-08-26 08:42:19,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:19,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720780353] [2021-08-26 08:42:19,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:19,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:42:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:42:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:42:19,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:42:19,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720780353] [2021-08-26 08:42:19,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720780353] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:42:19,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:42:19,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:42:19,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552884906] [2021-08-26 08:42:19,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:42:19,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:42:19,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:42:19,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:42:19,792 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-26 08:42:19,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:42:19,806 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-08-26 08:42:19,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:42:19,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-08-26 08:42:19,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:42:19,807 INFO L225 Difference]: With dead ends: 53 [2021-08-26 08:42:19,807 INFO L226 Difference]: Without dead ends: 27 [2021-08-26 08:42:19,808 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:42:19,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-08-26 08:42:19,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-08-26 08:42:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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) [2021-08-26 08:42:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-08-26 08:42:19,817 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-08-26 08:42:19,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:42:19,817 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-08-26 08:42:19,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-26 08:42:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-08-26 08:42:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-26 08:42:19,819 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:19,819 INFO L512 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] [2021-08-26 08:42:19,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:42:19,820 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:42:19,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:19,821 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-08-26 08:42:19,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:19,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074251381] [2021-08-26 08:42:19,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:19,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:42:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:42:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:42:19,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:42:19,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074251381] [2021-08-26 08:42:19,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074251381] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:42:19,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:42:19,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:42:19,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423376005] [2021-08-26 08:42:19,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:42:19,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:42:19,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:42:19,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:42:19,967 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-08-26 08:42:20,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:42:20,088 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2021-08-26 08:42:20,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 08:42:20,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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 22 [2021-08-26 08:42:20,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:42:20,090 INFO L225 Difference]: With dead ends: 109 [2021-08-26 08:42:20,090 INFO L226 Difference]: Without dead ends: 88 [2021-08-26 08:42:20,090 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 89.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:42:20,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-08-26 08:42:20,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-08-26 08:42:20,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 states have internal predecessors, (62), 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) [2021-08-26 08:42:20,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-08-26 08:42:20,097 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-08-26 08:42:20,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:42:20,097 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-08-26 08:42:20,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-08-26 08:42:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-08-26 08:42:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-26 08:42:20,098 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:42:20,098 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:42:20,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:42:20,099 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:42:20,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:42:20,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1956889594, now seen corresponding path program 1 times [2021-08-26 08:42:20,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:42:20,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115011869] [2021-08-26 08:42:20,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:42:20,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:42:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:42:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:42:20,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:42:20,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115011869] [2021-08-26 08:42:20,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115011869] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:42:20,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:42:20,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:42:20,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411311375] [2021-08-26 08:42:20,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:42:20,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:42:20,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:42:20,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:42:20,193 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-26 08:42:20,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:42:20,269 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-08-26 08:42:20,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:42:20,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2021-08-26 08:42:20,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:42:20,270 INFO L225 Difference]: With dead ends: 130 [2021-08-26 08:42:20,271 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:42:20,271 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:42:20,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:42:20,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:42:20,272 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) [2021-08-26 08:42:20,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:42:20,272 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-08-26 08:42:20,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:42:20,273 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:42:20,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-08-26 08:42:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:42:20,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:42:20,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:42:20,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:42:20,276 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:42:20,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:42:20,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:42:20,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:42:20,465 INFO L853 garLoopResultBuilder]: At program point L283(lines 283 289) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:42:20,466 INFO L853 garLoopResultBuilder]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2021-08-26 08:42:20,466 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-08-26 08:42:20,466 INFO L853 garLoopResultBuilder]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2021-08-26 08:42:20,466 INFO L853 garLoopResultBuilder]: At program point L432(lines 385 433) the Hoare annotation is: false [2021-08-26 08:42:20,466 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2021-08-26 08:42:20,466 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 427) no Hoare annotation was computed. [2021-08-26 08:42:20,466 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:42:20,467 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 463) no Hoare annotation was computed. [2021-08-26 08:42:20,467 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 1 841) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:42:20,467 INFO L857 garLoopResultBuilder]: For program point L450-2(lines 450 463) no Hoare annotation was computed. [2021-08-26 08:42:20,467 INFO L853 garLoopResultBuilder]: At program point L450-3(lines 1 841) the Hoare annotation is: false [2021-08-26 08:42:20,467 INFO L857 garLoopResultBuilder]: For program point L450-4(lines 450 463) no Hoare annotation was computed. [2021-08-26 08:42:20,467 INFO L853 garLoopResultBuilder]: At program point L450-5(lines 1 841) the Hoare annotation is: false [2021-08-26 08:42:20,467 INFO L853 garLoopResultBuilder]: At program point L252(lines 1 841) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-08-26 08:42:20,467 INFO L853 garLoopResultBuilder]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-08-26 08:42:20,468 INFO L853 garLoopResultBuilder]: At program point L335(lines 330 338) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:42:20,468 INFO L853 garLoopResultBuilder]: At program point L335-1(lines 330 338) the Hoare annotation is: false [2021-08-26 08:42:20,468 INFO L853 garLoopResultBuilder]: At program point L335-2(lines 330 338) the Hoare annotation is: false [2021-08-26 08:42:20,468 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-08-26 08:42:20,468 INFO L853 garLoopResultBuilder]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-08-26 08:42:20,468 INFO L857 garLoopResultBuilder]: For program point L387(lines 386 431) no Hoare annotation was computed. [2021-08-26 08:42:20,468 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 160) no Hoare annotation was computed. [2021-08-26 08:42:20,468 INFO L857 garLoopResultBuilder]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2021-08-26 08:42:20,468 INFO L857 garLoopResultBuilder]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2021-08-26 08:42:20,469 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 460) no Hoare annotation was computed. [2021-08-26 08:42:20,469 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-08-26 08:42:20,469 INFO L857 garLoopResultBuilder]: For program point L454-2(lines 454 460) no Hoare annotation was computed. [2021-08-26 08:42:20,469 INFO L857 garLoopResultBuilder]: For program point L454-4(lines 454 460) no Hoare annotation was computed. [2021-08-26 08:42:20,469 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:42:20,469 INFO L857 garLoopResultBuilder]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-08-26 08:42:20,469 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 276 282) no Hoare annotation was computed. [2021-08-26 08:42:20,469 INFO L860 garLoopResultBuilder]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-08-26 08:42:20,469 INFO L857 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2021-08-26 08:42:20,470 INFO L857 garLoopResultBuilder]: For program point L422-2(lines 276 282) no Hoare annotation was computed. [2021-08-26 08:42:20,470 INFO L857 garLoopResultBuilder]: For program point L472(line 472) no Hoare annotation was computed. [2021-08-26 08:42:20,470 INFO L857 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2021-08-26 08:42:20,470 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-08-26 08:42:20,470 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-08-26 08:42:20,470 INFO L857 garLoopResultBuilder]: For program point L472-2(line 472) no Hoare annotation was computed. [2021-08-26 08:42:20,470 INFO L853 garLoopResultBuilder]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:42:20,470 INFO L853 garLoopResultBuilder]: At program point L193(lines 188 196) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:42:20,471 INFO L853 garLoopResultBuilder]: At program point L193-1(lines 188 196) the Hoare annotation is: false [2021-08-26 08:42:20,471 INFO L853 garLoopResultBuilder]: At program point L193-2(lines 188 196) the Hoare annotation is: false [2021-08-26 08:42:20,471 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:42:20,471 INFO L853 garLoopResultBuilder]: At program point L276(lines 275 294) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:42:20,471 INFO L857 garLoopResultBuilder]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2021-08-26 08:42:20,471 INFO L853 garLoopResultBuilder]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2021-08-26 08:42:20,471 INFO L853 garLoopResultBuilder]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2021-08-26 08:42:20,471 INFO L853 garLoopResultBuilder]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-08-26 08:42:20,472 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 184) no Hoare annotation was computed. [2021-08-26 08:42:20,472 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:42:20,472 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2021-08-26 08:42:20,472 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 402) no Hoare annotation was computed. [2021-08-26 08:42:20,472 INFO L853 garLoopResultBuilder]: At program point L396-1(lines 396 402) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:42:20,472 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-08-26 08:42:20,472 INFO L860 garLoopResultBuilder]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-08-26 08:42:20,476 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:42:20,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:42:20 BoogieIcfgContainer [2021-08-26 08:42:20,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:42:20,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:42:20,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:42:20,488 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:42:20,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:42:19" (3/4) ... [2021-08-26 08:42:20,491 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:42:20,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:42:20,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:42:20,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:42:20,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:42:20,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:42:20,503 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:42:20,503 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:42:20,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:42:20,543 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:42:20,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:42:20,545 INFO L168 Benchmark]: Toolchain (without parser) took 2639.13 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 42.3 MB in the beginning and 49.8 MB in the end (delta: -7.4 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:42:20,545 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:42:20,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.62 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 39.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:42:20,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.60 ms. Allocated memory is still 62.9 MB. Free memory was 39.9 MB in the beginning and 37.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:42:20,546 INFO L168 Benchmark]: Boogie Preprocessor took 48.15 ms. Allocated memory is still 62.9 MB. Free memory was 37.3 MB in the beginning and 35.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:42:20,546 INFO L168 Benchmark]: RCFGBuilder took 757.77 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 35.3 MB in the beginning and 46.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:42:20,546 INFO L168 Benchmark]: TraceAbstraction took 1280.10 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.3 MB in the beginning and 54.6 MB in the end (delta: -8.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:42:20,547 INFO L168 Benchmark]: Witness Printer took 55.10 ms. Allocated memory is still 98.6 MB. Free memory was 54.6 MB in the beginning and 49.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:42:20,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.62 ms. Allocated memory is still 62.9 MB. Free memory was 42.1 MB in the beginning and 39.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.60 ms. Allocated memory is still 62.9 MB. Free memory was 39.9 MB in the beginning and 37.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.15 ms. Allocated memory is still 62.9 MB. Free memory was 37.3 MB in the beginning and 35.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 757.77 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 35.3 MB in the beginning and 46.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1280.10 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.3 MB in the beginning and 54.6 MB in the end (delta: -8.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Witness Printer took 55.10 ms. Allocated memory is still 98.6 MB. Free memory was 54.6 MB in the beginning and 49.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 472]: 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, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1228.7ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 12.2ms, AutomataDifference: 274.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 188.1ms, InitialAbstractionConstructionTime: 8.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 142.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 39.8ms AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 59 NumberOfFragments, 87 HoareAnnotationTreeSize, 24 FomulaSimplifications, 818 FormulaSimplificationTreeSizeReduction, 67.0ms HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 112.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 26.7ms SsaConstructionTime, 177.8ms SatisfiabilityAnalysisTime, 337.1ms InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:42:20,579 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...