./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product18.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_spec1_product18.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 9399fd1973c407bf1d8cb1f825eaeba76c4c394b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:13:37,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:13:37,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:13:37,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:13:37,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:13:37,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:13:37,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:13:37,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:13:37,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:13:37,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:13:37,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:13:37,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:13:37,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:13:37,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:13:37,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:13:37,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:13:37,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:13:37,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:13:37,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:13:37,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:13:37,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:13:37,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:13:37,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:13:37,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:13:37,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:13:37,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:13:37,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:13:37,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:13:37,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:13:37,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:13:37,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:13:37,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:13:37,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:13:37,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:13:37,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:13:37,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:13:37,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:13:37,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:13:37,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:13:37,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:13:37,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:13:37,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:13:37,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:13:37,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:13:37,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:13:37,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:13:37,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:13:37,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:13:37,565 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:13:37,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:13:37,565 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:13:37,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:13:37,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:13:37,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:13:37,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:13:37,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:13:37,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:13:37,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:13:37,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:13:37,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:13:37,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:13:37,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:13:37,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:13:37,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9399fd1973c407bf1d8cb1f825eaeba76c4c394b [2021-08-29 16:13:37,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:13:37,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:13:37,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:13:37,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:13:37,820 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:13:37,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-08-29 16:13:37,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dc90140/5cfbff13085b49f39c22b9405b79f20f/FLAG251b98bf6 [2021-08-29 16:13:38,274 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:13:38,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-08-29 16:13:38,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dc90140/5cfbff13085b49f39c22b9405b79f20f/FLAG251b98bf6 [2021-08-29 16:13:38,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dc90140/5cfbff13085b49f39c22b9405b79f20f [2021-08-29 16:13:38,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:13:38,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:13:38,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:13:38,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:13:38,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:13:38,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d622c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38, skipping insertion in model container [2021-08-29 16:13:38,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:13:38,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:13:38,585 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_product18.cil.c[16111,16124] [2021-08-29 16:13:38,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:13:38,595 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:13:38,624 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_product18.cil.c[16111,16124] [2021-08-29 16:13:38,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:13:38,649 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:13:38,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38 WrapperNode [2021-08-29 16:13:38,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:13:38,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:13:38,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:13:38,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:13:38,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:13:38,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:13:38,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:13:38,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:13:38,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:13:38,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:13:38,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:13:38,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:13:38,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (1/1) ... [2021-08-29 16:13:38,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:13:38,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:13:38,778 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 16:13:38,817 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 16:13:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:13:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:13:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:13:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:13:39,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:13:39,165 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-08-29 16:13:39,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:13:39 BoogieIcfgContainer [2021-08-29 16:13:39,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:13:39,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:13:39,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:13:39,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:13:39,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:13:38" (1/3) ... [2021-08-29 16:13:39,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462bef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:13:39, skipping insertion in model container [2021-08-29 16:13:39,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:38" (2/3) ... [2021-08-29 16:13:39,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462bef93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:13:39, skipping insertion in model container [2021-08-29 16:13:39,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:13:39" (3/3) ... [2021-08-29 16:13:39,174 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2021-08-29 16:13:39,178 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:13:39,178 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:13:39,215 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:13:39,222 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 16:13:39,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:13:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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 16:13:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:13:39,244 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:39,245 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:13:39,246 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 16:13:39,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:39,249 INFO L82 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-08-29 16:13:39,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:39,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47239253] [2021-08-29 16:13:39,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:39,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:39,457 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 16:13:39,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:39,458 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47239253] [2021-08-29 16:13:39,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47239253] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:39,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:39,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:13:39,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634951004] [2021-08-29 16:13:39,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:13:39,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:39,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:13:39,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:13:39,481 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-08-29 16:13:39,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:39,651 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-08-29 16:13:39,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:13:39,654 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 [2021-08-29 16:13:39,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:39,660 INFO L225 Difference]: With dead ends: 144 [2021-08-29 16:13:39,664 INFO L226 Difference]: Without dead ends: 71 [2021-08-29 16:13:39,668 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:13:39,671 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.36ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:39,672 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 104 Unknown, 0 Unchecked, 0.65ms Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 150.36ms Time] [2021-08-29 16:13:39,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-08-29 16:13:39,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-08-29 16:13:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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 16:13:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-08-29 16:13:39,715 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-08-29 16:13:39,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:39,716 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-08-29 16:13:39,716 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) [2021-08-29 16:13:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-08-29 16:13:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:13:39,717 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:39,717 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:13:39,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:13:39,718 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 16:13:39,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:39,719 INFO L82 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-08-29 16:13:39,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:39,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213016260] [2021-08-29 16:13:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:39,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:39,822 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 16:13:39,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:39,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213016260] [2021-08-29 16:13:39,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213016260] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:39,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:39,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:13:39,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867370904] [2021-08-29 16:13:39,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:13:39,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:39,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:13:39,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:13:39,824 INFO L87 Difference]: Start difference. First operand 71 states and 99 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) [2021-08-29 16:13:39,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:39,913 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-08-29 16:13:39,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:13:39,915 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 [2021-08-29 16:13:39,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:39,916 INFO L225 Difference]: With dead ends: 71 [2021-08-29 16:13:39,916 INFO L226 Difference]: Without dead ends: 33 [2021-08-29 16:13:39,916 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.60ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:13:39,917 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 39 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.63ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:39,917 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 0 Invalid, 51 Unknown, 0 Unchecked, 0.53ms Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 81.63ms Time] [2021-08-29 16:13:39,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-08-29 16:13:39,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-08-29 16:13:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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 16:13:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-08-29 16:13:39,921 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-08-29 16:13:39,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:39,921 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-08-29 16:13:39,922 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) [2021-08-29 16:13:39,922 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-08-29 16:13:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:13:39,924 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:39,924 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] [2021-08-29 16:13:39,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:13:39,924 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 16:13:39,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:39,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-08-29 16:13:39,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:39,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800131494] [2021-08-29 16:13:39,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:39,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:40,018 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 16:13:40,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:40,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800131494] [2021-08-29 16:13:40,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800131494] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:40,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:40,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:13:40,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622957867] [2021-08-29 16:13:40,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:13:40,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:40,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:13:40,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:13:40,020 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2021-08-29 16:13:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:40,134 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-08-29 16:13:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:13:40,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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 [2021-08-29 16:13:40,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:40,135 INFO L225 Difference]: With dead ends: 60 [2021-08-29 16:13:40,136 INFO L226 Difference]: Without dead ends: 33 [2021-08-29 16:13:40,136 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.00ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:13:40,137 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 125 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.60ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:40,137 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 0 Invalid, 51 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 93.60ms Time] [2021-08-29 16:13:40,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-08-29 16:13:40,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-08-29 16:13:40,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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 16:13:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-08-29 16:13:40,140 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-08-29 16:13:40,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:40,140 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-08-29 16:13:40,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2021-08-29 16:13:40,141 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-08-29 16:13:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 16:13:40,141 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:40,141 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] [2021-08-29 16:13:40,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:13:40,141 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 16:13:40,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:40,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-08-29 16:13:40,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:40,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015208055] [2021-08-29 16:13:40,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:40,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:40,224 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 16:13:40,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:40,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015208055] [2021-08-29 16:13:40,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015208055] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:40,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:40,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:13:40,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488896828] [2021-08-29 16:13:40,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:13:40,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:40,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:13:40,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:13:40,226 INFO L87 Difference]: Start difference. First operand 33 states and 45 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) [2021-08-29 16:13:40,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:40,490 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-08-29 16:13:40,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:13:40,490 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 [2021-08-29 16:13:40,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:40,495 INFO L225 Difference]: With dead ends: 151 [2021-08-29 16:13:40,495 INFO L226 Difference]: Without dead ends: 124 [2021-08-29 16:13:40,496 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.89ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:13:40,503 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 151 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 162.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.36ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 216.77ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:40,504 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 0 Invalid, 281 Unknown, 0 Unchecked, 5.36ms Time], IncrementalHoareTripleChecker [6 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 216.77ms Time] [2021-08-29 16:13:40,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-08-29 16:13:40,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-08-29 16:13:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 55 states have internal predecessors, (78), 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 16:13:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-08-29 16:13:40,511 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-08-29 16:13:40,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:40,511 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-08-29 16:13:40,511 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) [2021-08-29 16:13:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-08-29 16:13:40,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:13:40,512 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:40,512 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 16:13:40,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:13:40,512 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 16:13:40,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:40,513 INFO L82 PathProgramCache]: Analyzing trace with hash 710187059, now seen corresponding path program 1 times [2021-08-29 16:13:40,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:40,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266217766] [2021-08-29 16:13:40,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:40,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:40,579 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 16:13:40,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:40,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266217766] [2021-08-29 16:13:40,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266217766] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:40,579 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:40,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:13:40,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350529152] [2021-08-29 16:13:40,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:13:40,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:40,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:13:40,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:13:40,581 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 16:13:40,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:40,760 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-08-29 16:13:40,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:13:40,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 16:13:40,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:40,761 INFO L225 Difference]: With dead ends: 148 [2021-08-29 16:13:40,761 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:13:40,762 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.67ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:13:40,763 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 79 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 137.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.64ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 162.26ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:40,763 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 0 Invalid, 141 Unknown, 0 Unchecked, 0.64ms Time], IncrementalHoareTripleChecker [2 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 162.26ms Time] [2021-08-29 16:13:40,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:13:40,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:13:40,764 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 16:13:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:13:40,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-08-29 16:13:40,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:40,764 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:13:40,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 16:13:40,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:13:40,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:13:40,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:13:40,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:13:40,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:13:40,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:13:40,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:13:40,772 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:40,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:41,062 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 813) no Hoare annotation was computed. [2021-08-29 16:13:41,062 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 429) no Hoare annotation was computed. [2021-08-29 16:13:41,062 INFO L854 garLoopResultBuilder]: At program point L862(lines 857 865) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,062 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:13:41,064 INFO L854 garLoopResultBuilder]: At program point L862-1(lines 857 865) the Hoare annotation is: false [2021-08-29 16:13:41,067 INFO L854 garLoopResultBuilder]: At program point L862-2(lines 857 865) the Hoare annotation is: false [2021-08-29 16:13:41,067 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-08-29 16:13:41,067 INFO L854 garLoopResultBuilder]: At program point L53-1(lines 1 906) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,068 INFO L858 garLoopResultBuilder]: For program point L53-2(lines 53 66) no Hoare annotation was computed. [2021-08-29 16:13:41,068 INFO L854 garLoopResultBuilder]: At program point L53-3(lines 1 906) the Hoare annotation is: false [2021-08-29 16:13:41,068 INFO L858 garLoopResultBuilder]: For program point L53-4(lines 53 66) no Hoare annotation was computed. [2021-08-29 16:13:41,068 INFO L854 garLoopResultBuilder]: At program point L53-5(lines 1 906) the Hoare annotation is: false [2021-08-29 16:13:41,068 INFO L858 garLoopResultBuilder]: For program point L813(line 813) no Hoare annotation was computed. [2021-08-29 16:13:41,068 INFO L858 garLoopResultBuilder]: For program point L813-1(line 813) no Hoare annotation was computed. [2021-08-29 16:13:41,068 INFO L858 garLoopResultBuilder]: For program point L813-2(line 813) no Hoare annotation was computed. [2021-08-29 16:13:41,068 INFO L854 garLoopResultBuilder]: At program point L434(lines 385 435) the Hoare annotation is: false [2021-08-29 16:13:41,069 INFO L854 garLoopResultBuilder]: At program point L104(lines 99 107) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,069 INFO L854 garLoopResultBuilder]: At program point L121-2(lines 121 135) the Hoare annotation is: false [2021-08-29 16:13:41,069 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-29 16:13:41,069 INFO L858 garLoopResultBuilder]: For program point L849(lines 849 853) no Hoare annotation was computed. [2021-08-29 16:13:41,069 INFO L861 garLoopResultBuilder]: At program point L205(lines 186 208) the Hoare annotation is: true [2021-08-29 16:13:41,069 INFO L854 garLoopResultBuilder]: At program point L172(lines 168 174) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,069 INFO L858 garLoopResultBuilder]: For program point L387(lines 386 433) no Hoare annotation was computed. [2021-08-29 16:13:41,069 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 272) no Hoare annotation was computed. [2021-08-29 16:13:41,069 INFO L858 garLoopResultBuilder]: For program point L255-1(lines 255 272) no Hoare annotation was computed. [2021-08-29 16:13:41,069 INFO L858 garLoopResultBuilder]: For program point L255-2(lines 255 272) no Hoare annotation was computed. [2021-08-29 16:13:41,069 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-08-29 16:13:41,069 INFO L858 garLoopResultBuilder]: For program point L57-2(lines 57 63) no Hoare annotation was computed. [2021-08-29 16:13:41,070 INFO L858 garLoopResultBuilder]: For program point L57-4(lines 57 63) no Hoare annotation was computed. [2021-08-29 16:13:41,070 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2021-08-29 16:13:41,070 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:13:41,070 INFO L854 garLoopResultBuilder]: At program point L223(lines 222 241) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,070 INFO L858 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2021-08-29 16:13:41,070 INFO L854 garLoopResultBuilder]: At program point L223-2(lines 222 241) the Hoare annotation is: false [2021-08-29 16:13:41,070 INFO L854 garLoopResultBuilder]: At program point L223-3(lines 222 241) the Hoare annotation is: false [2021-08-29 16:13:41,070 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-08-29 16:13:41,070 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 223 229) no Hoare annotation was computed. [2021-08-29 16:13:41,070 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 813) no Hoare annotation was computed. [2021-08-29 16:13:41,071 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-08-29 16:13:41,071 INFO L854 garLoopResultBuilder]: At program point L406-1(lines 406 412) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,071 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-08-29 16:13:41,071 INFO L858 garLoopResultBuilder]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2021-08-29 16:13:41,071 INFO L858 garLoopResultBuilder]: For program point L357-3(lines 357 361) no Hoare annotation was computed. [2021-08-29 16:13:41,071 INFO L858 garLoopResultBuilder]: For program point L357-5(lines 357 361) no Hoare annotation was computed. [2021-08-29 16:13:41,071 INFO L858 garLoopResultBuilder]: For program point L357-6(lines 357 361) no Hoare annotation was computed. [2021-08-29 16:13:41,071 INFO L858 garLoopResultBuilder]: For program point L357-8(lines 357 361) no Hoare annotation was computed. [2021-08-29 16:13:41,071 INFO L854 garLoopResultBuilder]: At program point L308(lines 303 311) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,072 INFO L854 garLoopResultBuilder]: At program point L308-1(lines 303 311) the Hoare annotation is: false [2021-08-29 16:13:41,072 INFO L854 garLoopResultBuilder]: At program point L308-2(lines 303 311) the Hoare annotation is: false [2021-08-29 16:13:41,072 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-08-29 16:13:41,072 INFO L854 garLoopResultBuilder]: At program point L903(lines 898 906) the Hoare annotation is: false [2021-08-29 16:13:41,072 INFO L854 garLoopResultBuilder]: At program point L424-2(lines 223 229) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,072 INFO L854 garLoopResultBuilder]: At program point L903-1(lines 898 906) the Hoare annotation is: false [2021-08-29 16:13:41,072 INFO L858 garLoopResultBuilder]: For program point L837(lines 837 841) no Hoare annotation was computed. [2021-08-29 16:13:41,072 INFO L854 garLoopResultBuilder]: At program point L903-2(lines 898 906) the Hoare annotation is: false [2021-08-29 16:13:41,072 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 267) no Hoare annotation was computed. [2021-08-29 16:13:41,072 INFO L858 garLoopResultBuilder]: For program point L259-1(lines 259 267) no Hoare annotation was computed. [2021-08-29 16:13:41,073 INFO L858 garLoopResultBuilder]: For program point L259-2(lines 259 267) no Hoare annotation was computed. [2021-08-29 16:13:41,073 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:13:41,073 INFO L854 garLoopResultBuilder]: At program point L96(lines 1 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,075 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 203) no Hoare annotation was computed. [2021-08-29 16:13:41,075 INFO L861 garLoopResultBuilder]: At program point L196-1(lines 196 203) the Hoare annotation is: true [2021-08-29 16:13:41,075 INFO L854 garLoopResultBuilder]: At program point L230(lines 230 236) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,075 INFO L854 garLoopResultBuilder]: At program point L230-1(lines 230 236) the Hoare annotation is: false [2021-08-29 16:13:41,075 INFO L854 garLoopResultBuilder]: At program point L230-2(lines 230 236) the Hoare annotation is: false [2021-08-29 16:13:41,076 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:13:41,076 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 829) no Hoare annotation was computed. [2021-08-29 16:13:41,076 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 813) no Hoare annotation was computed. [2021-08-29 16:13:41,076 INFO L858 garLoopResultBuilder]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2021-08-29 16:13:41,076 INFO L858 garLoopResultBuilder]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2021-08-29 16:13:41,076 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 402) no Hoare annotation was computed. [2021-08-29 16:13:41,077 INFO L854 garLoopResultBuilder]: At program point L396-1(lines 396 402) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-08-29 16:13:41,077 INFO L854 garLoopResultBuilder]: At program point L363(lines 348 366) the Hoare annotation is: false [2021-08-29 16:13:41,077 INFO L854 garLoopResultBuilder]: At program point L363-1(lines 348 366) the Hoare annotation is: false [2021-08-29 16:13:41,077 INFO L854 garLoopResultBuilder]: At program point L363-2(lines 348 366) the Hoare annotation is: false [2021-08-29 16:13:41,082 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:13:41,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:13:41 BoogieIcfgContainer [2021-08-29 16:13:41,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:13:41,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:13:41,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:13:41,106 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:13:41,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:13:39" (3/4) ... [2021-08-29 16:13:41,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:13:41,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:13:41,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:13:41,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:13:41,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:13:41,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:13:41,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:13:41,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:13:41,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-08-29 16:13:41,180 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:13:41,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:13:41,181 INFO L158 Benchmark]: Toolchain (without parser) took 2880.28ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 38.5MB in the beginning and 76.4MB in the end (delta: -37.9MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-08-29 16:13:41,183 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:13:41,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.45ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 35.3MB in the end (delta: 3.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-29 16:13:41,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.78ms. Allocated memory is still 60.8MB. Free memory was 35.3MB in the beginning and 32.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:13:41,184 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 60.8MB. Free memory was 32.3MB in the beginning and 30.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:13:41,184 INFO L158 Benchmark]: RCFGBuilder took 437.64ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 30.2MB in the beginning and 47.7MB in the end (delta: -17.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-08-29 16:13:41,185 INFO L158 Benchmark]: TraceAbstraction took 1935.70ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 47.0MB in the beginning and 40.8MB in the end (delta: 6.2MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-08-29 16:13:41,185 INFO L158 Benchmark]: Witness Printer took 75.60ms. Allocated memory is still 98.6MB. Free memory was 40.8MB in the beginning and 76.4MB in the end (delta: -35.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 16:13:41,187 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 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.45ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 35.3MB in the end (delta: 3.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.78ms. Allocated memory is still 60.8MB. Free memory was 35.3MB in the beginning and 32.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 60.8MB. Free memory was 32.3MB in the beginning and 30.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.64ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 30.2MB in the beginning and 47.7MB in the end (delta: -17.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1935.70ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 47.0MB in the beginning and 40.8MB in the end (delta: 6.2MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Witness Printer took 75.60ms. Allocated memory is still 98.6MB. Free memory was 40.8MB in the beginning and 76.4MB in the end (delta: -35.6MB). Peak memory consumption was 6.3MB. 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: 813]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 813]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 813]: 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, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1866.90ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 16.68ms, AutomataDifference: 884.72ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 293.50ms, InitialAbstractionConstructionTime: 8.36ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 394 SdHoareTripleChecker+Valid, 704.62ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 394 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 535.25ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 268 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 619 IncrementalHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 0 mSDtfsCounter, 619 mSolverCounterSat, 8.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 72.19ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 44.83ms AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 72 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1654 FormulaSimplificationTreeSizeReduction, 103.83ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 264 FormulaSimplificationTreeSizeReductionInter, 182.59ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 26.47ms SsaConstructionTime, 163.83ms SatisfiabilityAnalysisTime, 293.00ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 193 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: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:13:41,237 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...