./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --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/loop-invgen/apache-escape-absolute.i -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 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:55:49,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 10:55:49,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 10:55:49,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 10:55:49,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 10:55:49,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 10:55:49,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 10:55:49,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 10:55:49,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 10:55:49,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 10:55:49,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 10:55:49,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 10:55:49,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 10:55:49,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 10:55:49,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 10:55:49,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 10:55:49,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 10:55:49,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 10:55:49,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 10:55:49,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 10:55:49,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 10:55:49,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 10:55:49,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 10:55:49,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 10:55:49,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 10:55:49,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 10:55:49,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 10:55:49,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 10:55:49,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 10:55:49,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 10:55:49,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 10:55:49,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 10:55:49,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 10:55:49,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 10:55:49,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 10:55:49,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 10:55:49,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 10:55:49,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 10:55:49,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 10:55:49,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 10:55:49,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 10:55:49,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 10:55:49,360 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 10:55:49,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 10:55:49,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 10:55:49,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 10:55:49,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 10:55:49,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 10:55:49,363 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 10:55:49,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 10:55:49,364 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 10:55:49,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 10:55:49,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 10:55:49,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 10:55:49,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 10:55:49,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 10:55:49,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 10:55:49,366 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 10:55:49,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 10:55:49,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 10:55:49,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 10:55:49,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 10:55:49,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 10:55:49,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 10:55:49,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 10:55:49,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 10:55:49,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 10:55:49,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 10:55:49,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 10:55:49,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 10:55:49,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 10:55:49,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 10:55:49,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 [2021-08-29 10:55:49,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 10:55:49,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 10:55:49,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 10:55:49,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 10:55:49,730 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 10:55:49,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-08-29 10:55:49,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912100d2d/f305cdf974a549b9b4158897c1f19adf/FLAG52c30b7b9 [2021-08-29 10:55:50,255 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 10:55:50,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2021-08-29 10:55:50,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912100d2d/f305cdf974a549b9b4158897c1f19adf/FLAG52c30b7b9 [2021-08-29 10:55:50,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/912100d2d/f305cdf974a549b9b4158897c1f19adf [2021-08-29 10:55:50,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 10:55:50,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 10:55:50,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 10:55:50,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 10:55:50,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 10:55:50,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a6d40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50, skipping insertion in model container [2021-08-29 10:55:50,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 10:55:50,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 10:55:50,482 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/loop-invgen/apache-escape-absolute.i[893,906] [2021-08-29 10:55:50,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 10:55:50,567 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 10:55:50,579 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/loop-invgen/apache-escape-absolute.i[893,906] [2021-08-29 10:55:50,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 10:55:50,611 INFO L208 MainTranslator]: Completed translation [2021-08-29 10:55:50,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50 WrapperNode [2021-08-29 10:55:50,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 10:55:50,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 10:55:50,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 10:55:50,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 10:55:50,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 10:55:50,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 10:55:50,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 10:55:50,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 10:55:50,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 10:55:50,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 10:55:50,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 10:55:50,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 10:55:50,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (1/1) ... [2021-08-29 10:55:50,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 10:55:50,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 10:55:50,746 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 10:55:50,769 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 10:55:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 10:55:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 10:55:50,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 10:55:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 10:55:51,002 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 10:55:51,002 INFO L299 CfgBuilder]: Removed 42 assume(true) statements. [2021-08-29 10:55:51,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:55:51 BoogieIcfgContainer [2021-08-29 10:55:51,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 10:55:51,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 10:55:51,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 10:55:51,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 10:55:51,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 10:55:50" (1/3) ... [2021-08-29 10:55:51,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ced0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:55:51, skipping insertion in model container [2021-08-29 10:55:51,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 10:55:50" (2/3) ... [2021-08-29 10:55:51,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ced0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 10:55:51, skipping insertion in model container [2021-08-29 10:55:51,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:55:51" (3/3) ... [2021-08-29 10:55:51,011 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2021-08-29 10:55:51,015 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 10:55:51,016 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-08-29 10:55:51,064 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 10:55:51,073 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 10:55:51,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-08-29 10:55:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 89 states have internal predecessors, (124), 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 10:55:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 10:55:51,100 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:55:51,100 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:55:51,101 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-08-29 10:55:51,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:55:51,105 INFO L82 PathProgramCache]: Analyzing trace with hash -2087055015, now seen corresponding path program 1 times [2021-08-29 10:55:51,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:55:51,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165771973] [2021-08-29 10:55:51,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:55:51,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:55:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:55:51,338 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 10:55:51,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:55:51,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165771973] [2021-08-29 10:55:51,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165771973] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:55:51,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:55:51,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 10:55:51,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959136371] [2021-08-29 10:55:51,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 10:55:51,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:55:51,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 10:55:51,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 10:55:51,385 INFO L87 Difference]: Start difference. First operand has 90 states, 71 states have (on average 1.7464788732394365) internal successors, (124), 89 states have internal predecessors, (124), 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 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 10:55:51,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:55:51,667 INFO L93 Difference]: Finished difference Result 172 states and 231 transitions. [2021-08-29 10:55:51,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 10:55:51,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-08-29 10:55:51,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:55:51,676 INFO L225 Difference]: With dead ends: 172 [2021-08-29 10:55:51,676 INFO L226 Difference]: Without dead ends: 84 [2021-08-29 10:55:51,679 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 10:55:51,681 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 181.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.42ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 238.30ms IncrementalHoareTripleChecker+Time [2021-08-29 10:55:51,682 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 191 Unknown, 0 Unchecked, 7.42ms Time], IncrementalHoareTripleChecker [17 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 238.30ms Time] [2021-08-29 10:55:51,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-08-29 10:55:51,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-08-29 10:55:51,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 83 states have internal predecessors, (87), 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 10:55:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 87 transitions. [2021-08-29 10:55:51,719 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 87 transitions. Word has length 11 [2021-08-29 10:55:51,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:55:51,719 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 87 transitions. [2021-08-29 10:55:51,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 10:55:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 87 transitions. [2021-08-29 10:55:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 10:55:51,720 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:55:51,720 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:55:51,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 10:55:51,721 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-08-29 10:55:51,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:55:51,721 INFO L82 PathProgramCache]: Analyzing trace with hash 90014268, now seen corresponding path program 1 times [2021-08-29 10:55:51,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:55:51,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128108436] [2021-08-29 10:55:51,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:55:51,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:55:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:55:51,769 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 10:55:51,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:55:51,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128108436] [2021-08-29 10:55:51,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128108436] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:55:51,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:55:51,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 10:55:51,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285775199] [2021-08-29 10:55:51,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 10:55:51,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:55:51,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 10:55:51,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:55:51,772 INFO L87 Difference]: Start difference. First operand 84 states and 87 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 10:55:51,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:55:51,986 INFO L93 Difference]: Finished difference Result 84 states and 87 transitions. [2021-08-29 10:55:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 10:55:51,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 13 [2021-08-29 10:55:51,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:55:51,989 INFO L225 Difference]: With dead ends: 84 [2021-08-29 10:55:51,989 INFO L226 Difference]: Without dead ends: 68 [2021-08-29 10:55:51,993 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 19.94ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 10:55:51,995 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 103 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.03ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 169.27ms IncrementalHoareTripleChecker+Time [2021-08-29 10:55:51,995 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 0 Invalid, 184 Unknown, 0 Unchecked, 4.03ms Time], IncrementalHoareTripleChecker [63 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 169.27ms Time] [2021-08-29 10:55:51,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-08-29 10:55:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-08-29 10:55:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 67 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 10:55:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2021-08-29 10:55:52,013 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 13 [2021-08-29 10:55:52,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:55:52,013 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2021-08-29 10:55:52,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 10:55:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2021-08-29 10:55:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 10:55:52,014 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:55:52,014 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:55:52,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 10:55:52,015 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-08-29 10:55:52,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:55:52,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1560326278, now seen corresponding path program 1 times [2021-08-29 10:55:52,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:55:52,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452590556] [2021-08-29 10:55:52,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:55:52,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:55:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:55:52,084 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 10:55:52,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:55:52,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452590556] [2021-08-29 10:55:52,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452590556] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:55:52,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:55:52,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 10:55:52,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503723873] [2021-08-29 10:55:52,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 10:55:52,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:55:52,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 10:55:52,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 10:55:52,090 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 10:55:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:55:52,270 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2021-08-29 10:55:52,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 10:55:52,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 10:55:52,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:55:52,271 INFO L225 Difference]: With dead ends: 89 [2021-08-29 10:55:52,271 INFO L226 Difference]: Without dead ends: 81 [2021-08-29 10:55:52,272 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.24ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:55:52,272 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 28 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.45ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 154.21ms IncrementalHoareTripleChecker+Time [2021-08-29 10:55:52,273 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 0 Invalid, 205 Unknown, 0 Unchecked, 3.45ms Time], IncrementalHoareTripleChecker [37 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 154.21ms Time] [2021-08-29 10:55:52,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-08-29 10:55:52,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2021-08-29 10:55:52,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 74 states have internal predecessors, (80), 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 10:55:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2021-08-29 10:55:52,280 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 16 [2021-08-29 10:55:52,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:55:52,280 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2021-08-29 10:55:52,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 10:55:52,281 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2021-08-29 10:55:52,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-29 10:55:52,281 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:55:52,281 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-29 10:55:52,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 10:55:52,282 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-08-29 10:55:52,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:55:52,282 INFO L82 PathProgramCache]: Analyzing trace with hash -2076895521, now seen corresponding path program 1 times [2021-08-29 10:55:52,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:55:52,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237734148] [2021-08-29 10:55:52,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:55:52,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:55:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:55:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 10:55:52,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:55:52,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237734148] [2021-08-29 10:55:52,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237734148] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 10:55:52,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298762962] [2021-08-29 10:55:52,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:55:52,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 10:55:52,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 10:55:52,421 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 10:55:52,449 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 10:55:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:55:52,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-29 10:55:52,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 10:55:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 10:55:52,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 10:55:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-29 10:55:52,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298762962] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 10:55:52,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 10:55:52,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2021-08-29 10:55:52,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868254972] [2021-08-29 10:55:52,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 10:55:52,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:55:52,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 10:55:52,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-29 10:55:52,759 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 10:55:52,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:55:52,909 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2021-08-29 10:55:52,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 10:55:52,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-08-29 10:55:52,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:55:52,912 INFO L225 Difference]: With dead ends: 81 [2021-08-29 10:55:52,913 INFO L226 Difference]: Without dead ends: 69 [2021-08-29 10:55:52,913 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 49 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 45.34ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-08-29 10:55:52,921 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 67 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.49ms SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.68ms IncrementalHoareTripleChecker+Time [2021-08-29 10:55:52,922 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 0 Invalid, 190 Unknown, 0 Unchecked, 1.49ms Time], IncrementalHoareTripleChecker [61 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 115.68ms Time] [2021-08-29 10:55:52,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-08-29 10:55:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2021-08-29 10:55:52,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 53 states have internal predecessors, (57), 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 10:55:52,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2021-08-29 10:55:52,935 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 27 [2021-08-29 10:55:52,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:55:52,935 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2021-08-29 10:55:52,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 10:55:52,936 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2021-08-29 10:55:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-08-29 10:55:52,937 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:55:52,937 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:55:52,970 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 10:55:53,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 10:55:53,171 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-08-29 10:55:53,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:55:53,172 INFO L82 PathProgramCache]: Analyzing trace with hash 689857671, now seen corresponding path program 1 times [2021-08-29 10:55:53,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:55:53,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197814676] [2021-08-29 10:55:53,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:55:53,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:55:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:55:53,213 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 10:55:53,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:55:53,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197814676] [2021-08-29 10:55:53,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197814676] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:55:53,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:55:53,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 10:55:53,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718378929] [2021-08-29 10:55:53,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 10:55:53,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:55:53,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 10:55:53,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 10:55:53,215 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 10:55:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:55:53,303 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2021-08-29 10:55:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 10:55:53,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-08-29 10:55:53,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:55:53,305 INFO L225 Difference]: With dead ends: 85 [2021-08-29 10:55:53,305 INFO L226 Difference]: Without dead ends: 54 [2021-08-29 10:55:53,306 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.95ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 10:55:53,307 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.44ms IncrementalHoareTripleChecker+Time [2021-08-29 10:55:53,307 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 113 Unknown, 0 Unchecked, 0.94ms Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 74.44ms Time] [2021-08-29 10:55:53,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-08-29 10:55:53,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-08-29 10:55:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 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 10:55:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2021-08-29 10:55:53,315 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 39 [2021-08-29 10:55:53,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:55:53,315 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2021-08-29 10:55:53,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 10:55:53,322 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2021-08-29 10:55:53,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-08-29 10:55:53,325 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:55:53,325 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:55:53,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 10:55:53,326 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-08-29 10:55:53,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:55:53,327 INFO L82 PathProgramCache]: Analyzing trace with hash 351533511, now seen corresponding path program 1 times [2021-08-29 10:55:53,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:55:53,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136009177] [2021-08-29 10:55:53,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:55:53,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:55:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:55:53,408 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 10:55:53,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:55:53,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136009177] [2021-08-29 10:55:53,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136009177] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:55:53,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:55:53,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 10:55:53,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177553271] [2021-08-29 10:55:53,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 10:55:53,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:55:53,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 10:55:53,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 10:55:53,411 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 10:55:53,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:55:53,505 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2021-08-29 10:55:53,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 10:55:53,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2021-08-29 10:55:53,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:55:53,506 INFO L225 Difference]: With dead ends: 56 [2021-08-29 10:55:53,506 INFO L226 Difference]: Without dead ends: 54 [2021-08-29 10:55:53,506 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.51ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:55:53,507 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 13 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.25ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.31ms IncrementalHoareTripleChecker+Time [2021-08-29 10:55:53,507 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 0 Invalid, 147 Unknown, 0 Unchecked, 1.25ms Time], IncrementalHoareTripleChecker [17 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 78.31ms Time] [2021-08-29 10:55:53,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-08-29 10:55:53,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2021-08-29 10:55:53,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 51 states have internal predecessors, (54), 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 10:55:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-08-29 10:55:53,512 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 40 [2021-08-29 10:55:53,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:55:53,512 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-08-29 10:55:53,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 10:55:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-08-29 10:55:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-08-29 10:55:53,513 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 10:55:53,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 10:55:53,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 10:55:53,513 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2021-08-29 10:55:53,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 10:55:53,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1478549590, now seen corresponding path program 1 times [2021-08-29 10:55:53,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 10:55:53,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597884370] [2021-08-29 10:55:53,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 10:55:53,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 10:55:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 10:55:53,562 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 10:55:53,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 10:55:53,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597884370] [2021-08-29 10:55:53,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597884370] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 10:55:53,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 10:55:53,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 10:55:53,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180061343] [2021-08-29 10:55:53,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 10:55:53,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 10:55:53,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 10:55:53,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 10:55:53,564 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 10:55:53,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 10:55:53,667 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2021-08-29 10:55:53,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 10:55:53,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 42 [2021-08-29 10:55:53,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 10:55:53,669 INFO L225 Difference]: With dead ends: 59 [2021-08-29 10:55:53,670 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 10:55:53,670 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.41ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-29 10:55:53,671 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 26 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.77ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.21ms IncrementalHoareTripleChecker+Time [2021-08-29 10:55:53,671 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 0 Invalid, 202 Unknown, 0 Unchecked, 0.77ms Time], IncrementalHoareTripleChecker [22 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 87.21ms Time] [2021-08-29 10:55:53,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 10:55:53,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 10:55:53,674 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 10:55:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 10:55:53,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-08-29 10:55:53,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 10:55:53,675 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 10:55:53,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 10:55:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 10:55:53,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 10:55:53,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (17 of 18 remaining) [2021-08-29 10:55:53,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (16 of 18 remaining) [2021-08-29 10:55:53,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (15 of 18 remaining) [2021-08-29 10:55:53,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (14 of 18 remaining) [2021-08-29 10:55:53,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (13 of 18 remaining) [2021-08-29 10:55:53,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (12 of 18 remaining) [2021-08-29 10:55:53,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (11 of 18 remaining) [2021-08-29 10:55:53,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (10 of 18 remaining) [2021-08-29 10:55:53,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (9 of 18 remaining) [2021-08-29 10:55:53,680 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (8 of 18 remaining) [2021-08-29 10:55:53,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (7 of 18 remaining) [2021-08-29 10:55:53,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (6 of 18 remaining) [2021-08-29 10:55:53,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (5 of 18 remaining) [2021-08-29 10:55:53,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (4 of 18 remaining) [2021-08-29 10:55:53,681 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (3 of 18 remaining) [2021-08-29 10:55:53,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (2 of 18 remaining) [2021-08-29 10:55:53,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (1 of 18 remaining) [2021-08-29 10:55:53,682 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (0 of 18 remaining) [2021-08-29 10:55:53,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 10:55:53,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 10:55:53,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:53,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 10:55:54,010 INFO L854 garLoopResultBuilder]: At program point L18-17(lines 17 22) the Hoare annotation is: (and (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0) (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) [2021-08-29 10:55:54,010 INFO L858 garLoopResultBuilder]: For program point L18-18(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,010 INFO L854 garLoopResultBuilder]: At program point L18-20(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start_main_~cp~0) (<= (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2021-08-29 10:55:54,011 INFO L858 garLoopResultBuilder]: For program point L18-21(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,011 INFO L854 garLoopResultBuilder]: At program point L18-23(line 55) the Hoare annotation is: (and (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2021-08-29 10:55:54,011 INFO L858 garLoopResultBuilder]: For program point L18-24(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,011 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,011 INFO L854 garLoopResultBuilder]: At program point L18-26(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0) (<= 1 ULTIMATE.start_main_~cp~0)) [2021-08-29 10:55:54,011 INFO L858 garLoopResultBuilder]: For program point L18-27(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,011 INFO L854 garLoopResultBuilder]: At program point L18-29(line 58) the Hoare annotation is: (and (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0) (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) [2021-08-29 10:55:54,011 INFO L858 garLoopResultBuilder]: For program point L18-30(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,011 INFO L858 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,011 INFO L858 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L854 garLoopResultBuilder]: At program point L18-32(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0) (<= 1 ULTIMATE.start_main_~cp~0) (= ULTIMATE.start_main_~c~0 0)) [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L19-2(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L18-33(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L19-4(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L19-5(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L18-36(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L19-6(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L19-7(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L854 garLoopResultBuilder]: At program point L18-38(lines 17 22) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse1 (< 0 (+ ULTIMATE.start_main_~scheme~0 1))) (.cse2 (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) (.cse3 (<= (+ ULTIMATE.start_main_~c~0 2) ULTIMATE.start_main_~tokenlen~0)) (.cse4 (<= 1 ULTIMATE.start_main_~cp~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~c~0 0)) (and .cse0 (<= 1 ULTIMATE.start_main_~c~0) .cse1 .cse2 .cse3 .cse4))) [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L19-8(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,012 INFO L858 garLoopResultBuilder]: For program point L18-39(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point L19-9(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point L19-10(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L854 garLoopResultBuilder]: At program point L18-41(lines 17 22) the Hoare annotation is: (let ((.cse0 (< 0 (+ ULTIMATE.start_main_~scheme~0 1))) (.cse1 (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) (.cse2 (<= (+ ULTIMATE.start_main_~c~0 2) ULTIMATE.start_main_~tokenlen~0)) (.cse3 (<= 1 ULTIMATE.start_main_~cp~0)) (.cse4 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and (<= 1 ULTIMATE.start_main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~c~0 0)))) [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point L19-11(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point L18-42(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point L19-12(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point L19-13(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L854 garLoopResultBuilder]: At program point L18-44(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~c~0) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0) (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point L19-14(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,013 INFO L858 garLoopResultBuilder]: For program point L18-45(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,014 INFO L858 garLoopResultBuilder]: For program point L36(lines 25 83) no Hoare annotation was computed. [2021-08-29 10:55:54,014 INFO L858 garLoopResultBuilder]: For program point L19-15(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,014 INFO L854 garLoopResultBuilder]: At program point L69-1(lines 69 75) the Hoare annotation is: (let ((.cse0 (< 0 (+ ULTIMATE.start_main_~scheme~0 1))) (.cse1 (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) (.cse2 (<= 1 ULTIMATE.start_main_~cp~0)) (.cse3 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~c~0 0)) (and (<= 1 ULTIMATE.start_main_~c~0) .cse0 .cse1 .cse2 .cse3))) [2021-08-29 10:55:54,014 INFO L854 garLoopResultBuilder]: At program point L18-47(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~c~0) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0) (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) [2021-08-29 10:55:54,014 INFO L858 garLoopResultBuilder]: For program point L19-16(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,014 INFO L858 garLoopResultBuilder]: For program point L18-48(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,014 INFO L858 garLoopResultBuilder]: For program point L19-17(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,014 INFO L854 garLoopResultBuilder]: At program point L18-50(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 ULTIMATE.start_main_~c~0) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0) (<= 1 ULTIMATE.start_main_~cp~0)) [2021-08-29 10:55:54,014 INFO L858 garLoopResultBuilder]: For program point L18-51(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,014 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 10:55:54,014 INFO L858 garLoopResultBuilder]: For program point L37(lines 25 83) no Hoare annotation was computed. [2021-08-29 10:55:54,014 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 80) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 79) no Hoare annotation was computed. [2021-08-29 10:55:54,015 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 10:55:54,016 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,016 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,016 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,016 INFO L854 garLoopResultBuilder]: At program point L47-1(lines 17 52) the Hoare annotation is: (and (< ULTIMATE.start_main_~cp~0 ULTIMATE.start_main_~urilen~0) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) [2021-08-29 10:55:54,016 INFO L858 garLoopResultBuilder]: For program point L47-2(lines 47 52) no Hoare annotation was computed. [2021-08-29 10:55:54,016 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,016 INFO L861 garLoopResultBuilder]: At program point L81(lines 25 83) the Hoare annotation is: true [2021-08-29 10:55:54,016 INFO L858 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2021-08-29 10:55:54,016 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,016 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-08-29 10:55:54,016 INFO L854 garLoopResultBuilder]: At program point L65-1(lines 17 77) the Hoare annotation is: (let ((.cse0 (< ULTIMATE.start_main_~cp~0 ULTIMATE.start_main_~urilen~0)) (.cse1 (< 0 (+ ULTIMATE.start_main_~scheme~0 1))) (.cse2 (<= 1 ULTIMATE.start_main_~cp~0)) (.cse3 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)))) (or (and .cse0 (<= 1 ULTIMATE.start_main_~c~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~c~0 0)))) [2021-08-29 10:55:54,017 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 10:55:54,017 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,017 INFO L861 garLoopResultBuilder]: At program point L82(lines 24 83) the Hoare annotation is: true [2021-08-29 10:55:54,017 INFO L858 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2021-08-29 10:55:54,017 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-08-29 10:55:54,017 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-08-29 10:55:54,017 INFO L858 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,017 INFO L854 garLoopResultBuilder]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start_main_~cp~0) (<= (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2021-08-29 10:55:54,017 INFO L858 garLoopResultBuilder]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,017 INFO L854 garLoopResultBuilder]: At program point L18-5(lines 17 22) the Hoare annotation is: (and (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2021-08-29 10:55:54,017 INFO L858 garLoopResultBuilder]: For program point L18-6(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,017 INFO L854 garLoopResultBuilder]: At program point L18-8(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start_main_~cp~0) (<= (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2021-08-29 10:55:54,018 INFO L858 garLoopResultBuilder]: For program point L18-9(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,018 INFO L858 garLoopResultBuilder]: For program point L18-12(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,018 INFO L854 garLoopResultBuilder]: At program point L18-14(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0) (<= 1 ULTIMATE.start_main_~cp~0)) [2021-08-29 10:55:54,018 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-29 10:55:54,018 INFO L858 garLoopResultBuilder]: For program point L18-15(lines 18 20) no Hoare annotation was computed. [2021-08-29 10:55:54,018 INFO L858 garLoopResultBuilder]: For program point L35-1(lines 25 83) no Hoare annotation was computed. [2021-08-29 10:55:54,023 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 10:55:54,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 10:55:54 BoogieIcfgContainer [2021-08-29 10:55:54,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 10:55:54,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 10:55:54,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 10:55:54,040 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 10:55:54,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 10:55:51" (3/4) ... [2021-08-29 10:55:54,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 10:55:54,066 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-08-29 10:55:54,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 10:55:54,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 10:55:54,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 10:55:54,117 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 10:55:54,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 10:55:54,118 INFO L158 Benchmark]: Toolchain (without parser) took 3830.98ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 31.6MB in the beginning and 51.0MB in the end (delta: -19.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-08-29 10:55:54,118 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 10:55:54,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.45ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 31.4MB in the beginning and 51.2MB in the end (delta: -19.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-08-29 10:55:54,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.85ms. Allocated memory is still 69.2MB. Free memory was 51.2MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 10:55:54,119 INFO L158 Benchmark]: Boogie Preprocessor took 47.94ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 10:55:54,119 INFO L158 Benchmark]: RCFGBuilder took 296.07ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 51.2MB in the end (delta: -3.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-29 10:55:54,119 INFO L158 Benchmark]: TraceAbstraction took 3033.92ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 50.7MB in the beginning and 56.6MB in the end (delta: -5.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2021-08-29 10:55:54,119 INFO L158 Benchmark]: Witness Printer took 77.28ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 51.0MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 10:55:54,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.45ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 31.4MB in the beginning and 51.2MB in the end (delta: -19.9MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.85ms. Allocated memory is still 69.2MB. Free memory was 51.2MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.94ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.07ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 51.2MB in the end (delta: -3.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3033.92ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 50.7MB in the beginning and 56.6MB in the end (delta: -5.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Witness Printer took 77.28ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 51.0MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms 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: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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, 90 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 2960.82ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 21.05ms, AutomataDifference: 1214.23ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 327.26ms, InitialAbstractionConstructionTime: 12.19ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 917.43ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 682.69ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 315 mSDsCounter, 217 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1015 IncrementalHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 217 mSolverCounterUnsat, 0 mSDtfsCounter, 1015 mSolverCounterSat, 19.36ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 61 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 107.84ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 71.36ms AutomataMinimizationTime, 7 MinimizatonAttempts, 23 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 48 NumberOfFragments, 443 HoareAnnotationTreeSize, 20 FomulaSimplifications, 331 FormulaSimplificationTreeSizeReduction, 56.66ms HoareSimplificationTime, 20 FomulaSimplificationsInter, 300 FormulaSimplificationTreeSizeReductionInter, 262.84ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 28.90ms SsaConstructionTime, 178.97ms SatisfiabilityAnalysisTime, 643.96ms InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 471 SizeOfPredicates, 4 NumberOfNonLiveVariables, 102 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 3/9 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 18 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((1 <= c && 0 < scheme + 1) && cp + 1 < urilen) && 1 <= cp) && !(0 == cond) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 < scheme + 1 && 1 <= cp) && !(0 == cond)) && cp + 1 <= urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((1 <= cond && 1 <= c) && 0 < scheme + 1) && cp + 1 < urilen) && 1 <= cp - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((1 <= cond && 0 < scheme + 1) && cp + 1 < urilen) && c + 2 <= tokenlen) && 1 <= cp) && c == 0) || (((((1 <= cond && 1 <= c) && 0 < scheme + 1) && cp + 1 < urilen) && c + 2 <= tokenlen) && 1 <= cp) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((1 <= cond && 0 < scheme + 1) && cp + 1 < urilen) && 1 <= cp) && c == 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((cp < urilen && 1 <= c) && 0 < scheme + 1) && 1 <= cp) && !(0 == cond)) || ((((cp < urilen && 0 < scheme + 1) && 1 <= cp) && !(0 == cond)) && c == 0) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cond && 0 < scheme + 1) && cp + 1 < urilen) && 1 <= cp - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((1 <= c && 0 < scheme + 1) && cp + 1 < urilen) && 1 <= cp) && !(0 == cond) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cond && 0 < scheme + 1) && 1 <= cp) && cp + 1 <= urilen - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((0 < scheme + 1 && 1 <= cp) && !(0 == cond)) && cp + 1 <= urilen - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((0 < scheme + 1 && cp + 1 < urilen) && 1 <= cp) && !(0 == cond) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((1 <= c && 0 < scheme + 1) && cp + 1 < urilen) && c + 2 <= tokenlen) && 1 <= cp) && !(0 == cond)) || (((((0 < scheme + 1 && cp + 1 < urilen) && c + 2 <= tokenlen) && 1 <= cp) && !(0 == cond)) && c == 0) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((cp < urilen && 0 < scheme + 1) && 1 <= cp) && !(0 == cond) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((0 < scheme + 1 && cp + 1 < urilen) && 1 <= cp) && !(0 == cond)) && c == 0) || ((((1 <= c && 0 < scheme + 1) && cp + 1 < urilen) && 1 <= cp) && !(0 == cond)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cond && 0 < scheme + 1) && 1 <= cp) && cp + 1 <= urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 < scheme + 1 && cp + 1 < urilen) && 1 <= cp) && !(0 == cond) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cond && 0 < scheme + 1) && 1 <= cp) && cp + 1 <= urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cond && 0 < scheme + 1) && cp + 1 < urilen) && 1 <= cp RESULT: Ultimate proved your program to be correct! [2021-08-29 10:55:54,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...