./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product56.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_spec4_product56.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 d987d174a4a8df6e0aafdb6d8ee456b5bda233ea .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:16:38,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:16:38,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:16:38,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:16:38,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:16:38,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:16:38,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:16:38,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:16:38,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:16:38,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:16:38,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:16:38,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:16:38,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:16:38,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:16:38,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:16:38,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:16:38,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:16:38,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:16:38,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:16:38,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:16:38,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:16:38,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:16:38,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:16:38,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:16:38,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:16:38,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:16:38,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:16:38,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:16:38,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:16:38,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:16:38,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:16:38,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:16:38,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:16:38,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:16:38,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:16:38,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:16:38,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:16:38,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:16:38,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:16:38,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:16:38,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:16:38,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:16:38,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:16:38,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:16:38,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:16:38,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:16:38,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:16:38,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:16:38,583 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:16:38,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:16:38,583 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:16:38,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:16:38,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:16:38,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:16:38,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:16:38,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:16:38,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:16:38,585 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:16:38,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:16:38,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:16:38,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:16:38,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:16:38,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:16:38,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:16:38,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:38,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:16:38,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:16:38,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:16:38,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:16:38,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:16:38,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:16:38,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:16:38,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d987d174a4a8df6e0aafdb6d8ee456b5bda233ea [2021-08-29 16:16:38,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:16:38,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:16:38,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:16:38,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:16:38,913 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:16:38,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-08-29 16:16:38,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35f92f36a/a960706b503e49c1ab91028b3ddbe35f/FLAG2f815dc94 [2021-08-29 16:16:39,520 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:16:39,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2021-08-29 16:16:39,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35f92f36a/a960706b503e49c1ab91028b3ddbe35f/FLAG2f815dc94 [2021-08-29 16:16:39,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35f92f36a/a960706b503e49c1ab91028b3ddbe35f [2021-08-29 16:16:39,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:16:39,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:16:39,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:39,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:16:39,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:16:39,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0f4da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:39, skipping insertion in model container [2021-08-29 16:16:39,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:39" (1/1) ... [2021-08-29 16:16:39,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:16:39,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:16:40,151 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_spec4_product56.cil.c[17014,17027] [2021-08-29 16:16:40,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:40,171 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:16:40,226 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_spec4_product56.cil.c[17014,17027] [2021-08-29 16:16:40,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:40,254 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:16:40,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40 WrapperNode [2021-08-29 16:16:40,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:40,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:40,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:16:40,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:16:40,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:40,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:16:40,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:16:40,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:16:40,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:16:40,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:16:40,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:16:40,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:16:40,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (1/1) ... [2021-08-29 16:16:40,413 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:40,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:40,448 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 16:16:40,472 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 16:16:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:16:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:16:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:16:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:16:41,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:16:41,118 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-08-29 16:16:41,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:41 BoogieIcfgContainer [2021-08-29 16:16:41,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:16:41,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:16:41,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:16:41,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:16:41,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:16:39" (1/3) ... [2021-08-29 16:16:41,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cf5677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:41, skipping insertion in model container [2021-08-29 16:16:41,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:40" (2/3) ... [2021-08-29 16:16:41,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32cf5677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:41, skipping insertion in model container [2021-08-29 16:16:41,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:41" (3/3) ... [2021-08-29 16:16:41,127 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2021-08-29 16:16:41,132 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:16:41,132 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:16:41,187 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:16:41,196 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 16:16:41,196 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:16:41,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 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 16:16:41,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:16:41,231 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:41,232 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:41,233 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 16:16:41,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:41,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1937289636, now seen corresponding path program 1 times [2021-08-29 16:16:41,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:41,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583423894] [2021-08-29 16:16:41,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:41,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:41,551 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 16:16:41,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:41,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583423894] [2021-08-29 16:16:41,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583423894] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:41,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:41,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:41,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286326943] [2021-08-29 16:16:41,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:16:41,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:41,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:16:41,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:41,595 INFO L87 Difference]: Start difference. First operand has 191 states, 187 states have (on average 1.5561497326203209) internal successors, (291), 190 states have internal predecessors, (291), 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 16:16:42,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:42,006 INFO L93 Difference]: Finished difference Result 376 states and 575 transitions. [2021-08-29 16:16:42,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:16:42,009 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 16:16:42,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:42,023 INFO L225 Difference]: With dead ends: 376 [2021-08-29 16:16:42,023 INFO L226 Difference]: Without dead ends: 187 [2021-08-29 16:16:42,027 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:42,031 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 276.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 363.52ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:42,032 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 284 Unknown, 0 Unchecked, 2.06ms Time], IncrementalHoareTripleChecker [0 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 363.52ms Time] [2021-08-29 16:16:42,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-08-29 16:16:42,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2021-08-29 16:16:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 184 states have (on average 1.516304347826087) internal successors, (279), 186 states have internal predecessors, (279), 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 16:16:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2021-08-29 16:16:42,090 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2021-08-29 16:16:42,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:42,091 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2021-08-29 16:16:42,092 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 16:16:42,092 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2021-08-29 16:16:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:16:42,093 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:42,093 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 16:16:42,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:16:42,094 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 16:16:42,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:42,095 INFO L82 PathProgramCache]: Analyzing trace with hash 890532739, now seen corresponding path program 1 times [2021-08-29 16:16:42,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:42,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835030017] [2021-08-29 16:16:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:42,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:42,223 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 16:16:42,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:42,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835030017] [2021-08-29 16:16:42,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835030017] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:42,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:42,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:42,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842698699] [2021-08-29 16:16:42,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:42,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:42,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:42,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:42,228 INFO L87 Difference]: Start difference. First operand 187 states and 279 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 16:16:42,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:42,415 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2021-08-29 16:16:42,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:42,416 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 16:16:42,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:42,418 INFO L225 Difference]: With dead ends: 187 [2021-08-29 16:16:42,418 INFO L226 Difference]: Without dead ends: 73 [2021-08-29 16:16:42,423 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:42,425 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 101 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 170.09ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:42,426 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 0 Invalid, 113 Unknown, 0 Unchecked, 1.06ms Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 170.09ms Time] [2021-08-29 16:16:42,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-08-29 16:16:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-08-29 16:16:42,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 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 16:16:42,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-08-29 16:16:42,433 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2021-08-29 16:16:42,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:42,433 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-08-29 16:16:42,434 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 16:16:42,434 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-08-29 16:16:42,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:16:42,435 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:42,436 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 16:16:42,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:16:42,437 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 16:16:42,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:42,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1577730230, now seen corresponding path program 1 times [2021-08-29 16:16:42,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:42,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650649058] [2021-08-29 16:16:42,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:42,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:42,494 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 16:16:42,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:42,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650649058] [2021-08-29 16:16:42,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650649058] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:42,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:42,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:42,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250308501] [2021-08-29 16:16:42,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:42,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:42,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:42,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:42,496 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 16:16:42,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:42,744 INFO L93 Difference]: Finished difference Result 207 states and 312 transitions. [2021-08-29 16:16:42,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:42,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 16:16:42,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:42,746 INFO L225 Difference]: With dead ends: 207 [2021-08-29 16:16:42,747 INFO L226 Difference]: Without dead ends: 140 [2021-08-29 16:16:42,747 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.07ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:42,751 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 103 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 173.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.73ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 230.51ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:42,752 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 0 Invalid, 210 Unknown, 0 Unchecked, 1.73ms Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 230.51ms Time] [2021-08-29 16:16:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-08-29 16:16:42,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 136. [2021-08-29 16:16:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.5185185185185186) internal successors, (205), 135 states have internal predecessors, (205), 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 16:16:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 205 transitions. [2021-08-29 16:16:42,781 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 205 transitions. Word has length 22 [2021-08-29 16:16:42,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:42,781 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 205 transitions. [2021-08-29 16:16:42,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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 16:16:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2021-08-29 16:16:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 16:16:42,784 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:42,784 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:42,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:16:42,784 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 16:16:42,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:42,785 INFO L82 PathProgramCache]: Analyzing trace with hash 792163456, now seen corresponding path program 1 times [2021-08-29 16:16:42,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:42,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694663678] [2021-08-29 16:16:42,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:42,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:42,868 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 16:16:42,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:42,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694663678] [2021-08-29 16:16:42,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694663678] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:42,869 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:42,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:42,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105247794] [2021-08-29 16:16:42,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:42,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:42,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:42,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:42,871 INFO L87 Difference]: Start difference. First operand 136 states and 205 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 16:16:43,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:43,021 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2021-08-29 16:16:43,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:43,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-08-29 16:16:43,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:43,023 INFO L225 Difference]: With dead ends: 283 [2021-08-29 16:16:43,023 INFO L226 Difference]: Without dead ends: 153 [2021-08-29 16:16:43,023 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:43,024 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 46 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.11ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 137.95ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:43,024 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 0 Invalid, 145 Unknown, 0 Unchecked, 1.11ms Time], IncrementalHoareTripleChecker [13 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 137.95ms Time] [2021-08-29 16:16:43,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-08-29 16:16:43,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2021-08-29 16:16:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.46) internal successors, (219), 150 states have internal predecessors, (219), 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 16:16:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 219 transitions. [2021-08-29 16:16:43,033 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 219 transitions. Word has length 25 [2021-08-29 16:16:43,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:43,034 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 219 transitions. [2021-08-29 16:16:43,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 16:16:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 219 transitions. [2021-08-29 16:16:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 16:16:43,035 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:43,035 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:43,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:16:43,035 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 16:16:43,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:43,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1022954699, now seen corresponding path program 1 times [2021-08-29 16:16:43,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:43,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618342341] [2021-08-29 16:16:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:43,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:43,091 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 16:16:43,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:43,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618342341] [2021-08-29 16:16:43,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618342341] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:43,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:43,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:43,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697974909] [2021-08-29 16:16:43,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:43,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:43,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:43,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:43,094 INFO L87 Difference]: Start difference. First operand 151 states and 219 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 16:16:43,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:43,507 INFO L93 Difference]: Finished difference Result 527 states and 769 transitions. [2021-08-29 16:16:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:43,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2021-08-29 16:16:43,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:43,510 INFO L225 Difference]: With dead ends: 527 [2021-08-29 16:16:43,510 INFO L226 Difference]: Without dead ends: 382 [2021-08-29 16:16:43,510 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 33.10ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:43,511 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 224 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 287.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.82ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 364.55ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:43,511 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 0 Invalid, 418 Unknown, 0 Unchecked, 3.82ms Time], IncrementalHoareTripleChecker [7 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 364.55ms Time] [2021-08-29 16:16:43,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-08-29 16:16:43,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 236. [2021-08-29 16:16:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.4127659574468086) internal successors, (332), 235 states have internal predecessors, (332), 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 16:16:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 332 transitions. [2021-08-29 16:16:43,525 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 332 transitions. Word has length 25 [2021-08-29 16:16:43,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:43,525 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 332 transitions. [2021-08-29 16:16:43,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 16:16:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2021-08-29 16:16:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 16:16:43,527 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:43,527 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:43,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:16:43,527 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:43,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:43,528 INFO L82 PathProgramCache]: Analyzing trace with hash -936354291, now seen corresponding path program 1 times [2021-08-29 16:16:43,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:43,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902727543] [2021-08-29 16:16:43,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:43,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:43,577 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 16:16:43,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:43,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902727543] [2021-08-29 16:16:43,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902727543] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:43,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:43,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:43,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553932451] [2021-08-29 16:16:43,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:43,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:43,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:43,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:43,580 INFO L87 Difference]: Start difference. First operand 236 states and 332 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:44,117 INFO L93 Difference]: Finished difference Result 526 states and 754 transitions. [2021-08-29 16:16:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:16:44,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-29 16:16:44,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:44,127 INFO L225 Difference]: With dead ends: 526 [2021-08-29 16:16:44,127 INFO L226 Difference]: Without dead ends: 524 [2021-08-29 16:16:44,127 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.40ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:16:44,128 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 290 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 349.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.86ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 469.38ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:44,128 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 0 Invalid, 660 Unknown, 0 Unchecked, 3.86ms Time], IncrementalHoareTripleChecker [9 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 469.38ms Time] [2021-08-29 16:16:44,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-08-29 16:16:44,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 236. [2021-08-29 16:16:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.4042553191489362) internal successors, (330), 235 states have internal predecessors, (330), 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 16:16:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 330 transitions. [2021-08-29 16:16:44,144 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 330 transitions. Word has length 26 [2021-08-29 16:16:44,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:44,144 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 330 transitions. [2021-08-29 16:16:44,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:16:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2021-08-29 16:16:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:16:44,145 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:44,146 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:44,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:16:44,146 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:44,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:44,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1821957235, now seen corresponding path program 1 times [2021-08-29 16:16:44,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:44,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496855023] [2021-08-29 16:16:44,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:44,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:44,186 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 16:16:44,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:44,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496855023] [2021-08-29 16:16:44,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496855023] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:44,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:44,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:44,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147163567] [2021-08-29 16:16:44,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:44,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:44,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:44,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:16:44,188 INFO L87 Difference]: Start difference. First operand 236 states and 330 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 16:16:44,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:44,431 INFO L93 Difference]: Finished difference Result 496 states and 705 transitions. [2021-08-29 16:16:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:16:44,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 32 [2021-08-29 16:16:44,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:44,433 INFO L225 Difference]: With dead ends: 496 [2021-08-29 16:16:44,434 INFO L226 Difference]: Without dead ends: 351 [2021-08-29 16:16:44,434 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.87ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:16:44,435 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 79 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 168.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 219.09ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:44,435 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 0 Invalid, 323 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [6 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 219.09ms Time] [2021-08-29 16:16:44,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-08-29 16:16:44,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 347. [2021-08-29 16:16:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 346 states have (on average 1.3959537572254335) internal successors, (483), 346 states have internal predecessors, (483), 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 16:16:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 483 transitions. [2021-08-29 16:16:44,452 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 483 transitions. Word has length 32 [2021-08-29 16:16:44,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:44,452 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 483 transitions. [2021-08-29 16:16:44,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 16:16:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 483 transitions. [2021-08-29 16:16:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:16:44,453 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:44,453 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:44,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:16:44,453 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:44,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:44,454 INFO L82 PathProgramCache]: Analyzing trace with hash 2080122673, now seen corresponding path program 1 times [2021-08-29 16:16:44,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:44,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697392044] [2021-08-29 16:16:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:44,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:44,495 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 16:16:44,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:44,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697392044] [2021-08-29 16:16:44,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697392044] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:44,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:44,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:44,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931592446] [2021-08-29 16:16:44,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:44,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:44,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:44,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:16:44,497 INFO L87 Difference]: Start difference. First operand 347 states and 483 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 16:16:44,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:44,910 INFO L93 Difference]: Finished difference Result 1020 states and 1436 transitions. [2021-08-29 16:16:44,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:44,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-08-29 16:16:44,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:44,914 INFO L225 Difference]: With dead ends: 1020 [2021-08-29 16:16:44,914 INFO L226 Difference]: Without dead ends: 762 [2021-08-29 16:16:44,915 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.83ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:44,916 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 138 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 240.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.09ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 357.28ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:44,916 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 0 Invalid, 461 Unknown, 0 Unchecked, 2.09ms Time], IncrementalHoareTripleChecker [9 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 357.28ms Time] [2021-08-29 16:16:44,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2021-08-29 16:16:44,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 347. [2021-08-29 16:16:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 346 states have (on average 1.3786127167630058) internal successors, (477), 346 states have internal predecessors, (477), 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 16:16:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 477 transitions. [2021-08-29 16:16:44,946 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 477 transitions. Word has length 32 [2021-08-29 16:16:44,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:44,946 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 477 transitions. [2021-08-29 16:16:44,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 16:16:44,947 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 477 transitions. [2021-08-29 16:16:44,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 16:16:44,948 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:44,948 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:44,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:16:44,948 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:44,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:44,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1687095663, now seen corresponding path program 1 times [2021-08-29 16:16:44,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:44,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355004702] [2021-08-29 16:16:44,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:44,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:44,996 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 16:16:44,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:44,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355004702] [2021-08-29 16:16:44,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355004702] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:44,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:44,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:44,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508711366] [2021-08-29 16:16:44,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:44,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:44,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:44,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:44,998 INFO L87 Difference]: Start difference. First operand 347 states and 477 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 16:16:45,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:45,560 INFO L93 Difference]: Finished difference Result 1072 states and 1488 transitions. [2021-08-29 16:16:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:16:45,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-08-29 16:16:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:45,564 INFO L225 Difference]: With dead ends: 1072 [2021-08-29 16:16:45,564 INFO L226 Difference]: Without dead ends: 814 [2021-08-29 16:16:45,565 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 26.45ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:16:45,565 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 232 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 355.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.83ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 468.65ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:45,565 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 0 Invalid, 722 Unknown, 0 Unchecked, 2.83ms Time], IncrementalHoareTripleChecker [8 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 468.65ms Time] [2021-08-29 16:16:45,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2021-08-29 16:16:45,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 378. [2021-08-29 16:16:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 377 states have (on average 1.3872679045092837) internal successors, (523), 377 states have internal predecessors, (523), 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 16:16:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 523 transitions. [2021-08-29 16:16:45,594 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 523 transitions. Word has length 32 [2021-08-29 16:16:45,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:45,594 INFO L470 AbstractCegarLoop]: Abstraction has 378 states and 523 transitions. [2021-08-29 16:16:45,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 16:16:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 523 transitions. [2021-08-29 16:16:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-08-29 16:16:45,597 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:45,597 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:45,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:16:45,598 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:45,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:45,599 INFO L82 PathProgramCache]: Analyzing trace with hash -434242403, now seen corresponding path program 1 times [2021-08-29 16:16:45,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:45,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486677783] [2021-08-29 16:16:45,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:45,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-29 16:16:45,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:45,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486677783] [2021-08-29 16:16:45,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486677783] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:45,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:45,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:45,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691017394] [2021-08-29 16:16:45,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:45,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:45,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:45,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:45,661 INFO L87 Difference]: Start difference. First operand 378 states and 523 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 16:16:45,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:45,859 INFO L93 Difference]: Finished difference Result 640 states and 882 transitions. [2021-08-29 16:16:45,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:45,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 49 [2021-08-29 16:16:45,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:45,861 INFO L225 Difference]: With dead ends: 640 [2021-08-29 16:16:45,861 INFO L226 Difference]: Without dead ends: 268 [2021-08-29 16:16:45,862 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:45,863 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 24 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 130.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 167.00ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:45,863 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 0 Invalid, 192 Unknown, 0 Unchecked, 0.55ms Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 167.00ms Time] [2021-08-29 16:16:45,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2021-08-29 16:16:45,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 260. [2021-08-29 16:16:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.3629343629343629) internal successors, (353), 259 states have internal predecessors, (353), 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 16:16:45,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 353 transitions. [2021-08-29 16:16:45,883 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 353 transitions. Word has length 49 [2021-08-29 16:16:45,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:45,883 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 353 transitions. [2021-08-29 16:16:45,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 16:16:45,884 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 353 transitions. [2021-08-29 16:16:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-29 16:16:45,884 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:45,885 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:45,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 16:16:45,885 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:45,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:45,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1755773973, now seen corresponding path program 1 times [2021-08-29 16:16:45,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:45,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131770194] [2021-08-29 16:16:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:45,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:45,927 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-29 16:16:45,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:45,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131770194] [2021-08-29 16:16:45,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131770194] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:45,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:45,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:45,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977940650] [2021-08-29 16:16:45,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:45,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:45,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:45,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:45,929 INFO L87 Difference]: Start difference. First operand 260 states and 353 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 16:16:46,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:46,293 INFO L93 Difference]: Finished difference Result 784 states and 1060 transitions. [2021-08-29 16:16:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:46,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 54 [2021-08-29 16:16:46,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:46,296 INFO L225 Difference]: With dead ends: 784 [2021-08-29 16:16:46,297 INFO L226 Difference]: Without dead ends: 530 [2021-08-29 16:16:46,297 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.72ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:46,298 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 134 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 227.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 294.23ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:46,298 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 0 Invalid, 453 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [11 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 294.23ms Time] [2021-08-29 16:16:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-08-29 16:16:46,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 272. [2021-08-29 16:16:46,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 271 states have (on average 1.3468634686346863) internal successors, (365), 271 states have internal predecessors, (365), 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 16:16:46,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 365 transitions. [2021-08-29 16:16:46,317 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 365 transitions. Word has length 54 [2021-08-29 16:16:46,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:46,318 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 365 transitions. [2021-08-29 16:16:46,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 16:16:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 365 transitions. [2021-08-29 16:16:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-29 16:16:46,319 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:46,319 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:46,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 16:16:46,320 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:46,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:46,320 INFO L82 PathProgramCache]: Analyzing trace with hash 2073779755, now seen corresponding path program 1 times [2021-08-29 16:16:46,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:46,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351491587] [2021-08-29 16:16:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:46,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 16:16:46,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:46,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351491587] [2021-08-29 16:16:46,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351491587] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:46,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:46,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:46,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663127171] [2021-08-29 16:16:46,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:46,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:46,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:46,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:16:46,380 INFO L87 Difference]: Start difference. First operand 272 states and 365 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 16:16:46,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:46,632 INFO L93 Difference]: Finished difference Result 632 states and 845 transitions. [2021-08-29 16:16:46,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:16:46,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 54 [2021-08-29 16:16:46,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:46,634 INFO L225 Difference]: With dead ends: 632 [2021-08-29 16:16:46,634 INFO L226 Difference]: Without dead ends: 366 [2021-08-29 16:16:46,635 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.84ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:46,635 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 87 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 166.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.99ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 214.88ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:46,636 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 0 Invalid, 291 Unknown, 0 Unchecked, 0.99ms Time], IncrementalHoareTripleChecker [6 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 214.88ms Time] [2021-08-29 16:16:46,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-08-29 16:16:46,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 237. [2021-08-29 16:16:46,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 236 states have (on average 1.3135593220338984) internal successors, (310), 236 states have internal predecessors, (310), 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 16:16:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 310 transitions. [2021-08-29 16:16:46,653 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 310 transitions. Word has length 54 [2021-08-29 16:16:46,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:46,653 INFO L470 AbstractCegarLoop]: Abstraction has 237 states and 310 transitions. [2021-08-29 16:16:46,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 16:16:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 310 transitions. [2021-08-29 16:16:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-08-29 16:16:46,654 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:46,654 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:46,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 16:16:46,655 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:46,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:46,655 INFO L82 PathProgramCache]: Analyzing trace with hash 2138901984, now seen corresponding path program 1 times [2021-08-29 16:16:46,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:46,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923330995] [2021-08-29 16:16:46,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:46,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:46,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:46,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923330995] [2021-08-29 16:16:46,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923330995] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:16:46,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36689902] [2021-08-29 16:16:46,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:46,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:16:46,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:46,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 16:16:46,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:16:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:46,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 16:16:46,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:16:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:47,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:16:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:47,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36689902] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:16:47,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:16:47,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2021-08-29 16:16:47,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373921823] [2021-08-29 16:16:47,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 16:16:47,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:47,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 16:16:47,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:47,248 INFO L87 Difference]: Start difference. First operand 237 states and 310 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 16:16:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:48,094 INFO L93 Difference]: Finished difference Result 862 states and 1146 transitions. [2021-08-29 16:16:48,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-29 16:16:48,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 57 [2021-08-29 16:16:48,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:48,098 INFO L225 Difference]: With dead ends: 862 [2021-08-29 16:16:48,098 INFO L226 Difference]: Without dead ends: 680 [2021-08-29 16:16:48,099 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 62.82ms TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-08-29 16:16:48,100 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 580 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 537.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.57ms SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 717.95ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:48,100 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [580 Valid, 0 Invalid, 1069 Unknown, 0 Unchecked, 4.57ms Time], IncrementalHoareTripleChecker [29 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 717.95ms Time] [2021-08-29 16:16:48,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-08-29 16:16:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 297. [2021-08-29 16:16:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 296 states have (on average 1.3141891891891893) internal successors, (389), 296 states have internal predecessors, (389), 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 16:16:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 389 transitions. [2021-08-29 16:16:48,135 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 389 transitions. Word has length 57 [2021-08-29 16:16:48,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:48,136 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 389 transitions. [2021-08-29 16:16:48,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 16:16:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 389 transitions. [2021-08-29 16:16:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-08-29 16:16:48,137 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:48,138 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 16:16:48,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:16:48,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-29 16:16:48,353 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:48,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:48,353 INFO L82 PathProgramCache]: Analyzing trace with hash 579418767, now seen corresponding path program 2 times [2021-08-29 16:16:48,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:48,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806477967] [2021-08-29 16:16:48,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:48,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:16:48,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:48,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806477967] [2021-08-29 16:16:48,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806477967] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:48,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:48,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:48,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008255568] [2021-08-29 16:16:48,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:48,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:48,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:48,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:48,472 INFO L87 Difference]: Start difference. First operand 297 states and 389 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 16:16:49,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:49,036 INFO L93 Difference]: Finished difference Result 927 states and 1230 transitions. [2021-08-29 16:16:49,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 16:16:49,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 82 [2021-08-29 16:16:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:49,039 INFO L225 Difference]: With dead ends: 927 [2021-08-29 16:16:49,040 INFO L226 Difference]: Without dead ends: 678 [2021-08-29 16:16:49,041 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 68.65ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 16:16:49,041 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 342 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 347.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.97ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 433.52ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:49,041 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 0 Invalid, 519 Unknown, 0 Unchecked, 2.97ms Time], IncrementalHoareTripleChecker [10 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 433.52ms Time] [2021-08-29 16:16:49,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2021-08-29 16:16:49,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 413. [2021-08-29 16:16:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.3106796116504855) internal successors, (540), 412 states have internal predecessors, (540), 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 16:16:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 540 transitions. [2021-08-29 16:16:49,080 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 540 transitions. Word has length 82 [2021-08-29 16:16:49,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:49,081 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 540 transitions. [2021-08-29 16:16:49,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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 16:16:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 540 transitions. [2021-08-29 16:16:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-08-29 16:16:49,082 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:49,082 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 16:16:49,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-29 16:16:49,083 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:49,083 INFO L82 PathProgramCache]: Analyzing trace with hash 185051981, now seen corresponding path program 1 times [2021-08-29 16:16:49,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:49,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132873472] [2021-08-29 16:16:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:49,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-29 16:16:49,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:49,133 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132873472] [2021-08-29 16:16:49,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132873472] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:49,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:49,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:49,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400456373] [2021-08-29 16:16:49,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:49,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:49,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:49,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:49,136 INFO L87 Difference]: Start difference. First operand 413 states and 540 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 16:16:49,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:49,536 INFO L93 Difference]: Finished difference Result 790 states and 1030 transitions. [2021-08-29 16:16:49,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:49,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 82 [2021-08-29 16:16:49,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:49,537 INFO L225 Difference]: With dead ends: 790 [2021-08-29 16:16:49,537 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:16:49,538 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.18ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:49,539 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 195 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 247.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 331.28ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:49,539 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 0 Invalid, 431 Unknown, 0 Unchecked, 1.89ms Time], IncrementalHoareTripleChecker [0 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 331.28ms Time] [2021-08-29 16:16:49,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:16:49,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:16:49,540 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 16:16:49,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:16:49,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-08-29 16:16:49,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:49,541 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:16:49,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 16:16:49,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:16:49,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:16:49,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:16:49,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:16:49,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:16:49,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 16:16:49,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:16:49,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:55,968 INFO L861 garLoopResultBuilder]: At program point L861(lines 842 864) the Hoare annotation is: true [2021-08-29 16:16:55,968 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-08-29 16:16:55,968 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,968 INFO L858 garLoopResultBuilder]: For program point L267-2(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,968 INFO L858 garLoopResultBuilder]: For program point L267-3(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,969 INFO L858 garLoopResultBuilder]: For program point L267-5(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,969 INFO L854 garLoopResultBuilder]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 (= 0 ~systemActive~0)) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-08-29 16:16:55,969 INFO L858 garLoopResultBuilder]: For program point L267-6(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,969 INFO L854 garLoopResultBuilder]: At program point L69-1(lines 69 75) the Hoare annotation is: false [2021-08-29 16:16:55,969 INFO L858 garLoopResultBuilder]: For program point L267-8(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,969 INFO L854 garLoopResultBuilder]: At program point L69-2(lines 69 75) the Hoare annotation is: false [2021-08-29 16:16:55,970 INFO L858 garLoopResultBuilder]: For program point L267-9(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,970 INFO L858 garLoopResultBuilder]: For program point L267-11(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,970 INFO L858 garLoopResultBuilder]: For program point L267-12(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,970 INFO L858 garLoopResultBuilder]: For program point L267-14(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,970 INFO L858 garLoopResultBuilder]: For program point L267-15(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,970 INFO L854 garLoopResultBuilder]: At program point L730(lines 679 731) the Hoare annotation is: false [2021-08-29 16:16:55,970 INFO L858 garLoopResultBuilder]: For program point L267-17(lines 267 271) no Hoare annotation was computed. [2021-08-29 16:16:55,971 INFO L854 garLoopResultBuilder]: At program point L963(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,971 INFO L854 garLoopResultBuilder]: At program point L963-1(lines 954 967) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-08-29 16:16:55,971 INFO L854 garLoopResultBuilder]: At program point L963-2(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,971 INFO L854 garLoopResultBuilder]: At program point L963-3(lines 954 967) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-08-29 16:16:55,971 INFO L854 garLoopResultBuilder]: At program point L963-4(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,971 INFO L854 garLoopResultBuilder]: At program point L963-5(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,972 INFO L854 garLoopResultBuilder]: At program point L963-6(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,972 INFO L854 garLoopResultBuilder]: At program point L963-7(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,972 INFO L854 garLoopResultBuilder]: At program point L963-8(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,972 INFO L854 garLoopResultBuilder]: At program point L963-9(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,972 INFO L854 garLoopResultBuilder]: At program point L963-10(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,972 INFO L854 garLoopResultBuilder]: At program point L963-11(lines 954 967) the Hoare annotation is: false [2021-08-29 16:16:55,972 INFO L858 garLoopResultBuilder]: For program point L700(lines 700 706) no Hoare annotation was computed. [2021-08-29 16:16:55,973 INFO L854 garLoopResultBuilder]: At program point L700-1(lines 700 706) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 ~waterLevel~0) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse4))) [2021-08-29 16:16:55,973 INFO L854 garLoopResultBuilder]: At program point L273(lines 258 276) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 1) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:55,973 INFO L854 garLoopResultBuilder]: At program point L273-1(lines 258 276) the Hoare annotation is: false [2021-08-29 16:16:55,973 INFO L854 garLoopResultBuilder]: At program point L273-2(lines 258 276) the Hoare annotation is: false [2021-08-29 16:16:55,973 INFO L854 garLoopResultBuilder]: At program point L273-3(lines 258 276) the Hoare annotation is: false [2021-08-29 16:16:55,973 INFO L854 garLoopResultBuilder]: At program point L273-4(lines 258 276) the Hoare annotation is: false [2021-08-29 16:16:55,974 INFO L854 garLoopResultBuilder]: At program point L273-5(lines 258 276) the Hoare annotation is: false [2021-08-29 16:16:55,974 INFO L854 garLoopResultBuilder]: At program point L1000(lines 1 1011) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:55,974 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-08-29 16:16:55,974 INFO L858 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2021-08-29 16:16:55,974 INFO L858 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2021-08-29 16:16:55,974 INFO L858 garLoopResultBuilder]: For program point L870-2(line 870) no Hoare annotation was computed. [2021-08-29 16:16:55,975 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2021-08-29 16:16:55,975 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 163) no Hoare annotation was computed. [2021-08-29 16:16:55,975 INFO L858 garLoopResultBuilder]: For program point L146-1(lines 146 163) no Hoare annotation was computed. [2021-08-29 16:16:55,975 INFO L858 garLoopResultBuilder]: For program point L146-2(lines 146 163) no Hoare annotation was computed. [2021-08-29 16:16:55,975 INFO L854 garLoopResultBuilder]: At program point L973(lines 968 976) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:55,975 INFO L854 garLoopResultBuilder]: At program point L973-1(lines 968 976) the Hoare annotation is: false [2021-08-29 16:16:55,975 INFO L854 garLoopResultBuilder]: At program point L973-2(lines 968 976) the Hoare annotation is: false [2021-08-29 16:16:55,976 INFO L854 garLoopResultBuilder]: At program point L973-3(lines 968 976) the Hoare annotation is: false [2021-08-29 16:16:55,976 INFO L854 garLoopResultBuilder]: At program point L973-4(lines 968 976) the Hoare annotation is: false [2021-08-29 16:16:55,976 INFO L854 garLoopResultBuilder]: At program point L973-5(lines 968 976) the Hoare annotation is: false [2021-08-29 16:16:55,976 INFO L858 garLoopResultBuilder]: For program point L710(lines 710 725) no Hoare annotation was computed. [2021-08-29 16:16:55,976 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-08-29 16:16:55,976 INFO L854 garLoopResultBuilder]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= ~waterLevel~0 1)))) [2021-08-29 16:16:55,976 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,977 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,977 INFO L858 garLoopResultBuilder]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,977 INFO L858 garLoopResultBuilder]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,977 INFO L858 garLoopResultBuilder]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,977 INFO L854 garLoopResultBuilder]: At program point L1008(lines 1003 1011) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:55,977 INFO L858 garLoopResultBuilder]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,977 INFO L858 garLoopResultBuilder]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,978 INFO L858 garLoopResultBuilder]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,978 INFO L858 garLoopResultBuilder]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,978 INFO L858 garLoopResultBuilder]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,978 INFO L858 garLoopResultBuilder]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,978 INFO L858 garLoopResultBuilder]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,978 INFO L858 garLoopResultBuilder]: For program point L248-18(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,978 INFO L858 garLoopResultBuilder]: For program point L248-20(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,979 INFO L858 garLoopResultBuilder]: For program point L248-21(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,979 INFO L858 garLoopResultBuilder]: For program point L248-23(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,979 INFO L858 garLoopResultBuilder]: For program point L248-24(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,979 INFO L858 garLoopResultBuilder]: For program point L248-26(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,979 INFO L858 garLoopResultBuilder]: For program point L248-27(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,979 INFO L858 garLoopResultBuilder]: For program point L248-29(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,979 INFO L858 garLoopResultBuilder]: For program point L248-30(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,980 INFO L858 garLoopResultBuilder]: For program point L248-32(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,980 INFO L858 garLoopResultBuilder]: For program point L248-33(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,980 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 158) no Hoare annotation was computed. [2021-08-29 16:16:55,980 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 150 158) no Hoare annotation was computed. [2021-08-29 16:16:55,980 INFO L858 garLoopResultBuilder]: For program point L248-35(lines 248 252) no Hoare annotation was computed. [2021-08-29 16:16:55,980 INFO L858 garLoopResultBuilder]: For program point L150-2(lines 150 158) no Hoare annotation was computed. [2021-08-29 16:16:55,980 INFO L854 garLoopResultBuilder]: At program point L778-2(lines 778 792) the Hoare annotation is: false [2021-08-29 16:16:55,981 INFO L858 garLoopResultBuilder]: For program point L779(line 779) no Hoare annotation was computed. [2021-08-29 16:16:55,981 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:16:55,981 INFO L858 garLoopResultBuilder]: For program point L681(lines 680 729) no Hoare annotation was computed. [2021-08-29 16:16:55,981 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 137) no Hoare annotation was computed. [2021-08-29 16:16:55,981 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 120 137) no Hoare annotation was computed. [2021-08-29 16:16:55,981 INFO L858 garLoopResultBuilder]: For program point L120-2(lines 120 137) no Hoare annotation was computed. [2021-08-29 16:16:55,981 INFO L858 garLoopResultBuilder]: For program point L120-3(lines 120 137) no Hoare annotation was computed. [2021-08-29 16:16:55,982 INFO L858 garLoopResultBuilder]: For program point L120-4(lines 120 137) no Hoare annotation was computed. [2021-08-29 16:16:55,982 INFO L858 garLoopResultBuilder]: For program point L120-5(lines 120 137) no Hoare annotation was computed. [2021-08-29 16:16:55,982 INFO L858 garLoopResultBuilder]: For program point L682(lines 682 686) no Hoare annotation was computed. [2021-08-29 16:16:55,982 INFO L858 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:55,982 INFO L858 garLoopResultBuilder]: For program point L881-3(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:55,982 INFO L858 garLoopResultBuilder]: For program point L782(lines 782 786) no Hoare annotation was computed. [2021-08-29 16:16:55,982 INFO L858 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2021-08-29 16:16:55,982 INFO L858 garLoopResultBuilder]: For program point L782-1(lines 62 68) no Hoare annotation was computed. [2021-08-29 16:16:55,983 INFO L854 garLoopResultBuilder]: At program point L749-1(lines 1 1011) the Hoare annotation is: (let ((.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse5) (and .cse0 .cse1 .cse3 .cse4 (= 0 ~systemActive~0) .cse5) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2021-08-29 16:16:55,983 INFO L858 garLoopResultBuilder]: For program point L749-2(lines 749 762) no Hoare annotation was computed. [2021-08-29 16:16:55,983 INFO L858 garLoopResultBuilder]: For program point L881-6(lines 881 885) no Hoare annotation was computed. [2021-08-29 16:16:55,983 INFO L854 garLoopResultBuilder]: At program point L749-3(lines 1 1011) the Hoare annotation is: false [2021-08-29 16:16:55,983 INFO L858 garLoopResultBuilder]: For program point L749-4(lines 749 762) no Hoare annotation was computed. [2021-08-29 16:16:55,984 INFO L854 garLoopResultBuilder]: At program point L749-5(lines 1 1011) the Hoare annotation is: false [2021-08-29 16:16:55,984 INFO L854 garLoopResultBuilder]: At program point L254(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,984 INFO L854 garLoopResultBuilder]: At program point L254-1(lines 239 257) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 1) (<= 1 ~waterLevel~0)))) [2021-08-29 16:16:55,984 INFO L854 garLoopResultBuilder]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,984 INFO L854 garLoopResultBuilder]: At program point L254-3(lines 239 257) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 1) (<= 1 ~waterLevel~0)))) [2021-08-29 16:16:55,985 INFO L854 garLoopResultBuilder]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,985 INFO L854 garLoopResultBuilder]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,985 INFO L854 garLoopResultBuilder]: At program point L254-6(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,985 INFO L854 garLoopResultBuilder]: At program point L254-7(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,985 INFO L854 garLoopResultBuilder]: At program point L254-8(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,985 INFO L854 garLoopResultBuilder]: At program point L254-9(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,985 INFO L854 garLoopResultBuilder]: At program point L254-10(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,986 INFO L854 garLoopResultBuilder]: At program point L254-11(lines 239 257) the Hoare annotation is: false [2021-08-29 16:16:55,986 INFO L858 garLoopResultBuilder]: For program point L718(lines 718 724) no Hoare annotation was computed. [2021-08-29 16:16:55,986 INFO L854 garLoopResultBuilder]: At program point L718-1(lines 62 68) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2021-08-29 16:16:55,986 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:16:55,986 INFO L854 garLoopResultBuilder]: At program point L190(lines 183 193) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:55,986 INFO L854 garLoopResultBuilder]: At program point L190-1(lines 183 193) the Hoare annotation is: false [2021-08-29 16:16:55,987 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 132) no Hoare annotation was computed. [2021-08-29 16:16:55,987 INFO L854 garLoopResultBuilder]: At program point L190-2(lines 183 193) the Hoare annotation is: false [2021-08-29 16:16:55,987 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2021-08-29 16:16:55,987 INFO L858 garLoopResultBuilder]: For program point L124-2(lines 124 132) no Hoare annotation was computed. [2021-08-29 16:16:55,987 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 132) no Hoare annotation was computed. [2021-08-29 16:16:55,987 INFO L858 garLoopResultBuilder]: For program point L124-4(lines 124 132) no Hoare annotation was computed. [2021-08-29 16:16:55,987 INFO L858 garLoopResultBuilder]: For program point L124-5(lines 124 132) no Hoare annotation was computed. [2021-08-29 16:16:55,988 INFO L854 garLoopResultBuilder]: At program point L950(lines 945 953) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (<= 2 ~waterLevel~0) .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2) (and .cse0 .cse3 .cse4 (= 0 ~systemActive~0) .cse2) (and .cse0 .cse3 .cse1 .cse4 .cse2))) [2021-08-29 16:16:55,988 INFO L854 garLoopResultBuilder]: At program point L950-1(lines 945 953) the Hoare annotation is: false [2021-08-29 16:16:55,988 INFO L854 garLoopResultBuilder]: At program point L950-2(lines 945 953) the Hoare annotation is: false [2021-08-29 16:16:55,988 INFO L854 garLoopResultBuilder]: At program point L918(lines 913 921) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:55,988 INFO L854 garLoopResultBuilder]: At program point L918-1(lines 913 921) the Hoare annotation is: false [2021-08-29 16:16:55,988 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 859) no Hoare annotation was computed. [2021-08-29 16:16:55,989 INFO L854 garLoopResultBuilder]: At program point L918-2(lines 913 921) the Hoare annotation is: false [2021-08-29 16:16:55,989 INFO L861 garLoopResultBuilder]: At program point L852-1(lines 852 859) the Hoare annotation is: true [2021-08-29 16:16:55,989 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2021-08-29 16:16:55,989 INFO L858 garLoopResultBuilder]: For program point L753-2(lines 753 759) no Hoare annotation was computed. [2021-08-29 16:16:55,989 INFO L858 garLoopResultBuilder]: For program point L753-4(lines 753 759) no Hoare annotation was computed. [2021-08-29 16:16:55,989 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,989 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,989 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:16:55,990 INFO L858 garLoopResultBuilder]: For program point L94-2(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,990 INFO L858 garLoopResultBuilder]: For program point L94-3(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,990 INFO L858 garLoopResultBuilder]: For program point L94-4(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,990 INFO L858 garLoopResultBuilder]: For program point L94-5(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,990 INFO L858 garLoopResultBuilder]: For program point L94-6(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,990 INFO L858 garLoopResultBuilder]: For program point L94-7(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,990 INFO L858 garLoopResultBuilder]: For program point L94-8(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,991 INFO L858 garLoopResultBuilder]: For program point L94-9(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,991 INFO L858 garLoopResultBuilder]: For program point L94-10(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,991 INFO L858 garLoopResultBuilder]: For program point L94-11(lines 94 111) no Hoare annotation was computed. [2021-08-29 16:16:55,991 INFO L854 garLoopResultBuilder]: At program point L62(lines 61 80) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~systemActive~0)) (and .cse0 (= 1 ~systemActive~0) .cse1))) [2021-08-29 16:16:55,991 INFO L858 garLoopResultBuilder]: For program point L62-1(lines 62 68) no Hoare annotation was computed. [2021-08-29 16:16:55,991 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 61 80) the Hoare annotation is: false [2021-08-29 16:16:55,991 INFO L854 garLoopResultBuilder]: At program point L62-3(lines 61 80) the Hoare annotation is: false [2021-08-29 16:16:55,992 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 696) no Hoare annotation was computed. [2021-08-29 16:16:55,992 INFO L854 garLoopResultBuilder]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 ~waterLevel~0) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse4))) [2021-08-29 16:16:55,992 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,992 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,992 INFO L858 garLoopResultBuilder]: For program point L98-2(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,992 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:16:55,993 INFO L858 garLoopResultBuilder]: For program point L98-3(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,993 INFO L858 garLoopResultBuilder]: For program point L98-4(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,993 INFO L858 garLoopResultBuilder]: For program point L98-5(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,993 INFO L858 garLoopResultBuilder]: For program point L98-6(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,993 INFO L858 garLoopResultBuilder]: For program point L98-7(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,993 INFO L858 garLoopResultBuilder]: For program point L98-8(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,993 INFO L858 garLoopResultBuilder]: For program point L98-9(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,994 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-08-29 16:16:55,994 INFO L858 garLoopResultBuilder]: For program point L98-10(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,994 INFO L858 garLoopResultBuilder]: For program point L98-11(lines 98 106) no Hoare annotation was computed. [2021-08-29 16:16:55,994 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,994 INFO L858 garLoopResultBuilder]: For program point L958-1(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,994 INFO L858 garLoopResultBuilder]: For program point L958-2(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,994 INFO L858 garLoopResultBuilder]: For program point L958-3(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,995 INFO L854 garLoopResultBuilder]: At program point L826(lines 822 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-08-29 16:16:55,995 INFO L858 garLoopResultBuilder]: For program point L958-4(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,995 INFO L858 garLoopResultBuilder]: For program point L958-5(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,995 INFO L858 garLoopResultBuilder]: For program point L958-6(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,995 INFO L858 garLoopResultBuilder]: For program point L958-7(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,995 INFO L858 garLoopResultBuilder]: For program point L958-8(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,995 INFO L858 garLoopResultBuilder]: For program point L958-9(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,996 INFO L858 garLoopResultBuilder]: For program point L958-10(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,996 INFO L858 garLoopResultBuilder]: For program point L958-11(lines 958 964) no Hoare annotation was computed. [2021-08-29 16:16:55,996 INFO L854 garLoopResultBuilder]: At program point L199(lines 194 202) the Hoare annotation is: false [2021-08-29 16:16:55,996 INFO L854 garLoopResultBuilder]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2021-08-29 16:16:55,996 INFO L854 garLoopResultBuilder]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2021-08-29 16:16:55,996 INFO L858 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2021-08-29 16:16:56,001 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:16:56,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:16:56 BoogieIcfgContainer [2021-08-29 16:16:56,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:16:56,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:16:56,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:16:56,022 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:16:56,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:41" (3/4) ... [2021-08-29 16:16:56,025 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:16:56,046 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:16:56,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:16:56,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:16:56,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:16:56,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:16:56,051 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:56,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:56,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && \result == 0) && 1 <= \result)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) [2021-08-29 16:16:56,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) [2021-08-29 16:16:56,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) [2021-08-29 16:16:56,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-08-29 16:16:56,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) [2021-08-29 16:16:56,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-08-29 16:16:56,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && 1 <= waterLevel) [2021-08-29 16:16:56,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel [2021-08-29 16:16:56,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-08-29 16:16:56,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel [2021-08-29 16:16:56,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && 1 <= waterLevel) [2021-08-29 16:16:56,126 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:16:56,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:16:56,127 INFO L158 Benchmark]: Toolchain (without parser) took 16277.54ms. Allocated memory was 52.4MB in the beginning and 195.0MB in the end (delta: 142.6MB). Free memory was 28.4MB in the beginning and 81.2MB in the end (delta: -52.8MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2021-08-29 16:16:56,127 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:16:56,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.24ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.2MB in the beginning and 38.8MB in the end (delta: -10.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-08-29 16:16:56,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.06ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 33.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 16:16:56,128 INFO L158 Benchmark]: Boogie Preprocessor took 47.71ms. Allocated memory is still 62.9MB. Free memory was 33.8MB in the beginning and 30.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:16:56,128 INFO L158 Benchmark]: RCFGBuilder took 743.64ms. Allocated memory is still 62.9MB. Free memory was 30.3MB in the beginning and 31.5MB in the end (delta: -1.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-08-29 16:16:56,129 INFO L158 Benchmark]: TraceAbstraction took 14899.67ms. Allocated memory was 62.9MB in the beginning and 195.0MB in the end (delta: 132.1MB). Free memory was 30.8MB in the beginning and 97.0MB in the end (delta: -66.1MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2021-08-29 16:16:56,129 INFO L158 Benchmark]: Witness Printer took 104.42ms. Allocated memory is still 195.0MB. Free memory was 97.0MB in the beginning and 81.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-29 16:16:56,130 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 52.4MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.24ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.2MB in the beginning and 38.8MB in the end (delta: -10.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.06ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 33.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.71ms. Allocated memory is still 62.9MB. Free memory was 33.8MB in the beginning and 30.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.64ms. Allocated memory is still 62.9MB. Free memory was 30.3MB in the beginning and 31.5MB in the end (delta: -1.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14899.67ms. Allocated memory was 62.9MB in the beginning and 195.0MB in the end (delta: 132.1MB). Free memory was 30.8MB in the beginning and 97.0MB in the end (delta: -66.1MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * Witness Printer took 104.42ms. Allocated memory is still 195.0MB. Free memory was 97.0MB in the beginning and 81.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. 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: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: 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, 191 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 14814.56ms, OverallIterations: 15, TraceHistogramMax: 3, EmptinessCheckTime: 34.77ms, AutomataDifference: 5948.28ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 6422.75ms, InitialAbstractionConstructionTime: 14.69ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2575 SdHoareTripleChecker+Valid, 4939.90ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2575 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 3741.40ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3479 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6182 IncrementalHoareTripleChecker+Invalid, 6291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 0 mSDtfsCounter, 6182 mSolverCounterSat, 31.99ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 288.97ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=413occurred in iteration=14, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 317.94ms AutomataMinimizationTime, 15 MinimizatonAttempts, 2338 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 218 NumberOfFragments, 653 HoareAnnotationTreeSize, 68 FomulaSimplifications, 2498199 FormulaSimplificationTreeSizeReduction, 2207.18ms HoareSimplificationTime, 68 FomulaSimplificationsInter, 550061 FormulaSimplificationTreeSizeReductionInter, 4196.86ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 99.04ms SsaConstructionTime, 384.21ms SatisfiabilityAnalysisTime, 1051.14ms InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 702 ConstructedInterpolants, 0 QuantifiedInterpolants, 1182 SizeOfPredicates, 3 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 197/206 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: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && 1 <= waterLevel) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: (((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) && 1 <= waterLevel) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && \result == 0) && 1 <= \result)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((\result == 1 && splverifierCounter == 0) && \result == 0) && tmp == 0) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive) || ((splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= waterLevel) && 0 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:16:56,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...