./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_label52.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a6f9dd10b9200c61377ed7a907ef50ee4969a78 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 20:42:19,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 20:42:19,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 20:42:19,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 20:42:19,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 20:42:19,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 20:42:19,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 20:42:19,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 20:42:19,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 20:42:19,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 20:42:19,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 20:42:19,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 20:42:19,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 20:42:19,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 20:42:19,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 20:42:19,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 20:42:19,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 20:42:19,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 20:42:19,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 20:42:19,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 20:42:19,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 20:42:19,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 20:42:19,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 20:42:19,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 20:42:19,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 20:42:19,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 20:42:19,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 20:42:19,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 20:42:19,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 20:42:19,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 20:42:19,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 20:42:19,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 20:42:19,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 20:42:19,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 20:42:19,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 20:42:19,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 20:42:19,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 20:42:19,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 20:42:19,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 20:42:19,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 20:42:19,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 20:42:19,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 20:42:19,906 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 20:42:19,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 20:42:19,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 20:42:19,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 20:42:19,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 20:42:19,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 20:42:19,909 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 20:42:19,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 20:42:19,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 20:42:19,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 20:42:19,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 20:42:19,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 20:42:19,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 20:42:19,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 20:42:19,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 20:42:19,911 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 20:42:19,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 20:42:19,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 20:42:19,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 20:42:19,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 20:42:19,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 20:42:19,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 20:42:19,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:42:19,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 20:42:19,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 20:42:19,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 20:42:19,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 20:42:19,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 20:42:19,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 20:42:19,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 20:42:19,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a6f9dd10b9200c61377ed7a907ef50ee4969a78 [2021-08-25 20:42:20,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 20:42:20,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 20:42:20,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 20:42:20,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 20:42:20,174 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 20:42:20,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2021-08-25 20:42:20,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11ae466aa/8f55c1e5c17640ddb009670d4dd098bd/FLAG07cc96ab4 [2021-08-25 20:42:20,687 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 20:42:20,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label52.c [2021-08-25 20:42:20,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11ae466aa/8f55c1e5c17640ddb009670d4dd098bd/FLAG07cc96ab4 [2021-08-25 20:42:21,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11ae466aa/8f55c1e5c17640ddb009670d4dd098bd [2021-08-25 20:42:21,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 20:42:21,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 20:42:21,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 20:42:21,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 20:42:21,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 20:42:21,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5516d4f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21, skipping insertion in model container [2021-08-25 20:42:21,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 20:42:21,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 20:42:21,339 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/eca-rers2012/Problem01_label52.c[21213,21226] [2021-08-25 20:42:21,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:42:21,368 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 20:42:21,431 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/eca-rers2012/Problem01_label52.c[21213,21226] [2021-08-25 20:42:21,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 20:42:21,450 INFO L208 MainTranslator]: Completed translation [2021-08-25 20:42:21,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21 WrapperNode [2021-08-25 20:42:21,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 20:42:21,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 20:42:21,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 20:42:21,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 20:42:21,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 20:42:21,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 20:42:21,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 20:42:21,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 20:42:21,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 20:42:21,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 20:42:21,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 20:42:21,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 20:42:21,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (1/1) ... [2021-08-25 20:42:21,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 20:42:21,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:42:21,618 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) [2021-08-25 20:42:21,675 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 [2021-08-25 20:42:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 20:42:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 20:42:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 20:42:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 20:42:22,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 20:42:22,771 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-25 20:42:22,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:42:22 BoogieIcfgContainer [2021-08-25 20:42:22,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 20:42:22,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 20:42:22,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 20:42:22,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 20:42:22,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 08:42:21" (1/3) ... [2021-08-25 20:42:22,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c37e669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:42:22, skipping insertion in model container [2021-08-25 20:42:22,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:42:21" (2/3) ... [2021-08-25 20:42:22,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c37e669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 08:42:22, skipping insertion in model container [2021-08-25 20:42:22,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:42:22" (3/3) ... [2021-08-25 20:42:22,778 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label52.c [2021-08-25 20:42:22,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 20:42:22,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 20:42:22,813 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 20:42:22,817 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 [2021-08-25 20:42:22,817 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 20:42:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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) [2021-08-25 20:42:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-08-25 20:42:22,849 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:42:22,850 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:42:22,850 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:42:22,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:42:22,853 INFO L82 PathProgramCache]: Analyzing trace with hash 2069223047, now seen corresponding path program 1 times [2021-08-25 20:42:22,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:42:22,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423906178] [2021-08-25 20:42:22,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:42:22,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:42:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:42:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:42:23,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:42:23,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423906178] [2021-08-25 20:42:23,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423906178] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:42:23,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:42:23,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:42:23,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252935984] [2021-08-25 20:42:23,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:42:23,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:42:23,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:42:23,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:23,163 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2021-08-25 20:42:23,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:42:23,837 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2021-08-25 20:42:23,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:42:23,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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 126 [2021-08-25 20:42:23,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:42:23,854 INFO L225 Difference]: With dead ends: 528 [2021-08-25 20:42:23,854 INFO L226 Difference]: Without dead ends: 266 [2021-08-25 20:42:23,859 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:23,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-08-25 20:42:23,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-08-25 20:42:23,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 states have internal predecessors, (380), 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) [2021-08-25 20:42:23,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2021-08-25 20:42:23,922 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 126 [2021-08-25 20:42:23,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:42:23,924 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2021-08-25 20:42:23,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2021-08-25 20:42:23,925 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2021-08-25 20:42:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-08-25 20:42:23,928 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:42:23,928 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1] [2021-08-25 20:42:23,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 20:42:23,929 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:42:23,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:42:23,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1670609503, now seen corresponding path program 1 times [2021-08-25 20:42:23,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:42:23,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987677598] [2021-08-25 20:42:23,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:42:23,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:42:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:42:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:42:23,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:42:23,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987677598] [2021-08-25 20:42:23,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987677598] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:42:23,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:42:23,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:42:23,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110280922] [2021-08-25 20:42:23,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:42:23,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:42:23,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:42:23,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:23,971 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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) [2021-08-25 20:42:24,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:42:24,317 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2021-08-25 20:42:24,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:42:24,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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 131 [2021-08-25 20:42:24,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:42:24,320 INFO L225 Difference]: With dead ends: 792 [2021-08-25 20:42:24,321 INFO L226 Difference]: Without dead ends: 528 [2021-08-25 20:42:24,321 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-08-25 20:42:24,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-08-25 20:42:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3681214421252372) internal successors, (721), 527 states have internal predecessors, (721), 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) [2021-08-25 20:42:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 721 transitions. [2021-08-25 20:42:24,335 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 721 transitions. Word has length 131 [2021-08-25 20:42:24,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:42:24,335 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 721 transitions. [2021-08-25 20:42:24,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 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) [2021-08-25 20:42:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 721 transitions. [2021-08-25 20:42:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-08-25 20:42:24,337 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:42:24,337 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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] [2021-08-25 20:42:24,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 20:42:24,338 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:42:24,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:42:24,338 INFO L82 PathProgramCache]: Analyzing trace with hash -2129405611, now seen corresponding path program 1 times [2021-08-25 20:42:24,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:42:24,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605122254] [2021-08-25 20:42:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:42:24,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:42:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:42:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:42:24,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:42:24,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605122254] [2021-08-25 20:42:24,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605122254] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:42:24,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:42:24,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:42:24,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423419771] [2021-08-25 20:42:24,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:42:24,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:42:24,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:42:24,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:24,378 INFO L87 Difference]: Start difference. First operand 528 states and 721 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 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) [2021-08-25 20:42:24,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:42:24,729 INFO L93 Difference]: Finished difference Result 1447 states and 1979 transitions. [2021-08-25 20:42:24,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:42:24,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 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 135 [2021-08-25 20:42:24,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:42:24,733 INFO L225 Difference]: With dead ends: 1447 [2021-08-25 20:42:24,733 INFO L226 Difference]: Without dead ends: 921 [2021-08-25 20:42:24,734 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:24,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2021-08-25 20:42:24,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2021-08-25 20:42:24,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.3413043478260869) internal successors, (1234), 920 states have internal predecessors, (1234), 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) [2021-08-25 20:42:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1234 transitions. [2021-08-25 20:42:24,759 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1234 transitions. Word has length 135 [2021-08-25 20:42:24,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:42:24,759 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1234 transitions. [2021-08-25 20:42:24,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 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) [2021-08-25 20:42:24,759 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1234 transitions. [2021-08-25 20:42:24,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-08-25 20:42:24,761 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:42:24,762 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:42:24,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 20:42:24,762 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:42:24,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:42:24,763 INFO L82 PathProgramCache]: Analyzing trace with hash 703724998, now seen corresponding path program 1 times [2021-08-25 20:42:24,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:42:24,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265738725] [2021-08-25 20:42:24,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:42:24,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:42:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:42:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:42:24,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:42:24,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265738725] [2021-08-25 20:42:24,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265738725] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:42:24,803 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:42:24,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:42:24,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139371424] [2021-08-25 20:42:24,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:42:24,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:42:24,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:42:24,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:24,805 INFO L87 Difference]: Start difference. First operand 921 states and 1234 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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) [2021-08-25 20:42:25,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:42:25,143 INFO L93 Difference]: Finished difference Result 2233 states and 2955 transitions. [2021-08-25 20:42:25,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:42:25,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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 141 [2021-08-25 20:42:25,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:42:25,146 INFO L225 Difference]: With dead ends: 2233 [2021-08-25 20:42:25,146 INFO L226 Difference]: Without dead ends: 1314 [2021-08-25 20:42:25,147 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:25,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2021-08-25 20:42:25,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2021-08-25 20:42:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.2961082910321489) internal successors, (1532), 1182 states have internal predecessors, (1532), 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) [2021-08-25 20:42:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1532 transitions. [2021-08-25 20:42:25,163 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1532 transitions. Word has length 141 [2021-08-25 20:42:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:42:25,163 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 1532 transitions. [2021-08-25 20:42:25,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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) [2021-08-25 20:42:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1532 transitions. [2021-08-25 20:42:25,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-08-25 20:42:25,165 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:42:25,165 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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] [2021-08-25 20:42:25,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 20:42:25,166 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:42:25,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:42:25,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1507135562, now seen corresponding path program 1 times [2021-08-25 20:42:25,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:42:25,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552168245] [2021-08-25 20:42:25,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:42:25,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:42:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:42:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-25 20:42:25,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:42:25,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552168245] [2021-08-25 20:42:25,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552168245] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:42:25,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:42:25,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:42:25,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459709637] [2021-08-25 20:42:25,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:42:25,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:42:25,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:42:25,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:25,200 INFO L87 Difference]: Start difference. First operand 1183 states and 1532 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 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) [2021-08-25 20:42:25,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:42:25,509 INFO L93 Difference]: Finished difference Result 2626 states and 3415 transitions. [2021-08-25 20:42:25,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:42:25,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 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 142 [2021-08-25 20:42:25,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:42:25,514 INFO L225 Difference]: With dead ends: 2626 [2021-08-25 20:42:25,514 INFO L226 Difference]: Without dead ends: 1445 [2021-08-25 20:42:25,515 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:25,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2021-08-25 20:42:25,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2021-08-25 20:42:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.2638504155124655) internal successors, (1825), 1444 states have internal predecessors, (1825), 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) [2021-08-25 20:42:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1825 transitions. [2021-08-25 20:42:25,539 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1825 transitions. Word has length 142 [2021-08-25 20:42:25,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:42:25,539 INFO L470 AbstractCegarLoop]: Abstraction has 1445 states and 1825 transitions. [2021-08-25 20:42:25,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 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) [2021-08-25 20:42:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1825 transitions. [2021-08-25 20:42:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-08-25 20:42:25,542 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:42:25,543 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 20:42:25,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 20:42:25,544 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:42:25,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:42:25,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1322844814, now seen corresponding path program 1 times [2021-08-25 20:42:25,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:42:25,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078612979] [2021-08-25 20:42:25,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:42:25,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:42:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:42:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 20:42:25,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:42:25,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078612979] [2021-08-25 20:42:25,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078612979] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:42:25,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:42:25,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 20:42:25,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382168419] [2021-08-25 20:42:25,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 20:42:25,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:42:25,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 20:42:25,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:42:25,622 INFO L87 Difference]: Start difference. First operand 1445 states and 1825 transitions. Second operand has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-08-25 20:42:26,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:42:26,074 INFO L93 Difference]: Finished difference Result 3281 states and 4095 transitions. [2021-08-25 20:42:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 20:42:26,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 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 145 [2021-08-25 20:42:26,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:42:26,081 INFO L225 Difference]: With dead ends: 3281 [2021-08-25 20:42:26,081 INFO L226 Difference]: Without dead ends: 1838 [2021-08-25 20:42:26,085 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 20:42:26,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2021-08-25 20:42:26,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2021-08-25 20:42:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.2338804220398594) internal successors, (2105), 1706 states have internal predecessors, (2105), 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) [2021-08-25 20:42:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2105 transitions. [2021-08-25 20:42:26,114 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2105 transitions. Word has length 145 [2021-08-25 20:42:26,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:42:26,115 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 2105 transitions. [2021-08-25 20:42:26,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.25) internal successors, (145), 3 states have internal predecessors, (145), 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) [2021-08-25 20:42:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2105 transitions. [2021-08-25 20:42:26,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-08-25 20:42:26,118 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:42:26,118 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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] [2021-08-25 20:42:26,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 20:42:26,119 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:42:26,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:42:26,119 INFO L82 PathProgramCache]: Analyzing trace with hash -879807985, now seen corresponding path program 1 times [2021-08-25 20:42:26,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:42:26,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854676437] [2021-08-25 20:42:26,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:42:26,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:42:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:42:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-25 20:42:26,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:42:26,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854676437] [2021-08-25 20:42:26,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854676437] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:42:26,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 20:42:26,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 20:42:26,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731532440] [2021-08-25 20:42:26,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:42:26,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:42:26,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:42:26,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:26,228 INFO L87 Difference]: Start difference. First operand 1707 states and 2105 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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) [2021-08-25 20:42:26,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:42:26,526 INFO L93 Difference]: Finished difference Result 2102 states and 2565 transitions. [2021-08-25 20:42:26,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:42:26,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 163 [2021-08-25 20:42:26,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:42:26,533 INFO L225 Difference]: With dead ends: 2102 [2021-08-25 20:42:26,533 INFO L226 Difference]: Without dead ends: 2100 [2021-08-25 20:42:26,534 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 20:42:26,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-08-25 20:42:26,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1576. [2021-08-25 20:42:26,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.2406349206349205) internal successors, (1954), 1575 states have internal predecessors, (1954), 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) [2021-08-25 20:42:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1954 transitions. [2021-08-25 20:42:26,555 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1954 transitions. Word has length 163 [2021-08-25 20:42:26,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:42:26,556 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1954 transitions. [2021-08-25 20:42:26,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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) [2021-08-25 20:42:26,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1954 transitions. [2021-08-25 20:42:26,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-08-25 20:42:26,559 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 20:42:26,560 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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] [2021-08-25 20:42:26,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 20:42:26,560 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 20:42:26,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 20:42:26,560 INFO L82 PathProgramCache]: Analyzing trace with hash -375272296, now seen corresponding path program 1 times [2021-08-25 20:42:26,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 20:42:26,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736511385] [2021-08-25 20:42:26,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:42:26,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 20:42:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:42:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 132 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-08-25 20:42:26,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 20:42:26,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736511385] [2021-08-25 20:42:26,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736511385] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 20:42:26,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153196868] [2021-08-25 20:42:26,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 20:42:26,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:42:26,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 20:42:26,672 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) [2021-08-25 20:42:26,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 20:42:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 20:42:26,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 20:42:26,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 20:42:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-08-25 20:42:27,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153196868] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 20:42:27,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 20:42:27,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 20:42:27,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197858238] [2021-08-25 20:42:27,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 20:42:27,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 20:42:27,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 20:42:27,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:42:27,444 INFO L87 Difference]: Start difference. First operand 1576 states and 1954 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2021-08-25 20:42:27,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 20:42:27,751 INFO L93 Difference]: Finished difference Result 3541 states and 4364 transitions. [2021-08-25 20:42:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 20:42:27,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 231 [2021-08-25 20:42:27,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 20:42:27,752 INFO L225 Difference]: With dead ends: 3541 [2021-08-25 20:42:27,752 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 20:42:27,754 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-25 20:42:27,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 20:42:27,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 20:42:27,755 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) [2021-08-25 20:42:27,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 20:42:27,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231 [2021-08-25 20:42:27,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 20:42:27,755 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 20:42:27,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2021-08-25 20:42:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 20:42:27,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 20:42:27,760 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 20:42:27,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 20:42:27,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 20:42:27,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 20:42:27,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:42:28,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:42:28,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 20:42:28,037 INFO L857 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-08-25 20:42:28,037 INFO L857 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-08-25 20:42:28,037 INFO L857 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-08-25 20:42:28,037 INFO L857 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-08-25 20:42:28,037 INFO L857 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-08-25 20:42:28,038 INFO L857 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-08-25 20:42:28,038 INFO L857 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-08-25 20:42:28,039 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-08-25 20:42:28,040 INFO L857 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,040 INFO L857 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,041 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,042 INFO L857 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,042 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-08-25 20:42:28,042 INFO L857 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,043 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,043 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-08-25 20:42:28,044 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-08-25 20:42:28,045 INFO L857 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-08-25 20:42:28,045 INFO L857 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-08-25 20:42:28,045 INFO L857 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-08-25 20:42:28,045 INFO L857 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-08-25 20:42:28,045 INFO L857 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-08-25 20:42:28,045 INFO L857 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-08-25 20:42:28,045 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-08-25 20:42:28,045 INFO L857 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-08-25 20:42:28,046 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-08-25 20:42:28,046 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-08-25 20:42:28,046 INFO L857 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,047 INFO L857 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,047 INFO L857 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,047 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,047 INFO L857 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,048 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-08-25 20:42:28,048 INFO L857 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,048 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-08-25 20:42:28,048 INFO L857 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-08-25 20:42:28,049 INFO L857 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-08-25 20:42:28,049 INFO L857 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-08-25 20:42:28,049 INFO L857 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-08-25 20:42:28,049 INFO L857 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-08-25 20:42:28,049 INFO L857 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-08-25 20:42:28,049 INFO L857 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-08-25 20:42:28,049 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-08-25 20:42:28,050 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-08-25 20:42:28,050 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-08-25 20:42:28,050 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-08-25 20:42:28,050 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-08-25 20:42:28,050 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-08-25 20:42:28,050 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,050 INFO L857 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,050 INFO L857 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,050 INFO L857 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,051 INFO L857 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,051 INFO L857 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,051 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-08-25 20:42:28,051 INFO L857 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-08-25 20:42:28,051 INFO L857 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-08-25 20:42:28,051 INFO L857 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-08-25 20:42:28,051 INFO L857 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-08-25 20:42:28,051 INFO L857 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-08-25 20:42:28,051 INFO L857 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,052 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-08-25 20:42:28,053 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-08-25 20:42:28,054 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-08-25 20:42:28,054 INFO L857 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,054 INFO L857 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,054 INFO L857 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,054 INFO L857 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,054 INFO L857 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,054 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,054 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-08-25 20:42:28,054 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-08-25 20:42:28,055 INFO L857 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-08-25 20:42:28,055 INFO L857 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-08-25 20:42:28,055 INFO L857 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-08-25 20:42:28,056 INFO L857 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-08-25 20:42:28,056 INFO L857 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-08-25 20:42:28,056 INFO L857 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-08-25 20:42:28,056 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-08-25 20:42:28,056 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-08-25 20:42:28,056 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-08-25 20:42:28,056 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-08-25 20:42:28,056 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-08-25 20:42:28,057 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-08-25 20:42:28,058 INFO L857 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-08-25 20:42:28,058 INFO L857 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-08-25 20:42:28,058 INFO L857 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-08-25 20:42:28,058 INFO L857 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-08-25 20:42:28,058 INFO L857 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-08-25 20:42:28,058 INFO L857 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-08-25 20:42:28,058 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-08-25 20:42:28,058 INFO L853 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and .cse0 (<= ~a16~0 5)) (and .cse0 (= ~a17~0 1) (= ~a20~0 1)) (<= ~a8~0 13) (and .cse0 (<= 15 ~a8~0)))) [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-08-25 20:42:28,059 INFO L857 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-08-25 20:42:28,060 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-08-25 20:42:28,060 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-08-25 20:42:28,060 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-08-25 20:42:28,060 INFO L857 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-08-25 20:42:28,060 INFO L857 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-08-25 20:42:28,060 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-08-25 20:42:28,060 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-08-25 20:42:28,060 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 20:42:28,060 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-08-25 20:42:28,061 INFO L860 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-08-25 20:42:28,061 INFO L857 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,061 INFO L857 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,061 INFO L857 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,061 INFO L857 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,062 INFO L857 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,062 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-08-25 20:42:28,063 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-08-25 20:42:28,063 INFO L857 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-08-25 20:42:28,063 INFO L857 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-08-25 20:42:28,063 INFO L857 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-08-25 20:42:28,063 INFO L857 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-08-25 20:42:28,063 INFO L857 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-08-25 20:42:28,063 INFO L857 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-08-25 20:42:28,064 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-08-25 20:42:28,065 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-08-25 20:42:28,066 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-08-25 20:42:28,066 INFO L857 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,066 INFO L853 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1))) (or (and .cse0 (<= ~a16~0 5)) (and .cse0 (= ~a17~0 1) (= ~a20~0 1)) (<= ~a8~0 13) (and .cse0 (<= 15 ~a8~0)))) [2021-08-25 20:42:28,066 INFO L857 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,066 INFO L857 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,066 INFO L857 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,066 INFO L857 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,066 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-08-25 20:42:28,066 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 564) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,067 INFO L857 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,068 INFO L857 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,068 INFO L857 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,068 INFO L857 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-08-25 20:42:28,068 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-08-25 20:42:28,068 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-08-25 20:42:28,068 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-08-25 20:42:28,068 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-08-25 20:42:28,071 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 20:42:28,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 08:42:28 BoogieIcfgContainer [2021-08-25 20:42:28,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 20:42:28,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 20:42:28,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 20:42:28,085 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 20:42:28,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 08:42:22" (3/4) ... [2021-08-25 20:42:28,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 20:42:28,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-25 20:42:28,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 20:42:28,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 20:42:28,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 20:42:28,154 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 20:42:28,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 20:42:28,155 INFO L168 Benchmark]: Toolchain (without parser) took 7122.15 ms. Allocated memory was 58.7 MB in the beginning and 325.1 MB in the end (delta: 266.3 MB). Free memory was 37.2 MB in the beginning and 108.3 MB in the end (delta: -71.1 MB). Peak memory consumption was 194.9 MB. Max. memory is 16.1 GB. [2021-08-25 20:42:28,156 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 20:42:28,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.86 ms. Allocated memory is still 58.7 MB. Free memory was 37.1 MB in the beginning and 26.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-25 20:42:28,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.28 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 26.3 MB in the beginning and 50.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-08-25 20:42:28,156 INFO L168 Benchmark]: Boogie Preprocessor took 37.00 ms. Allocated memory is still 73.4 MB. Free memory was 50.6 MB in the beginning and 46.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-25 20:42:28,157 INFO L168 Benchmark]: RCFGBuilder took 1219.73 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 46.4 MB in the beginning and 40.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2021-08-25 20:42:28,157 INFO L168 Benchmark]: TraceAbstraction took 5310.33 ms. Allocated memory was 88.1 MB in the beginning and 325.1 MB in the end (delta: 237.0 MB). Free memory was 39.5 MB in the beginning and 122.1 MB in the end (delta: -82.6 MB). Peak memory consumption was 152.8 MB. Max. memory is 16.1 GB. [2021-08-25 20:42:28,157 INFO L168 Benchmark]: Witness Printer took 69.70 ms. Allocated memory is still 325.1 MB. Free memory was 122.1 MB in the beginning and 108.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-25 20:42:28,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.86 ms. Allocated memory is still 58.7 MB. Free memory was 37.1 MB in the beginning and 26.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.28 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 26.3 MB in the beginning and 50.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.00 ms. Allocated memory is still 73.4 MB. Free memory was 50.6 MB in the beginning and 46.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1219.73 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 46.4 MB in the beginning and 40.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5310.33 ms. Allocated memory was 88.1 MB in the beginning and 325.1 MB in the end (delta: 237.0 MB). Free memory was 39.5 MB in the beginning and 122.1 MB in the end (delta: -82.6 MB). Peak memory consumption was 152.8 MB. Max. memory is 16.1 GB. * Witness Printer took 69.70 ms. Allocated memory is still 325.1 MB. Free memory was 122.1 MB in the beginning and 108.3 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 564]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5259.0ms, OverallIterations: 8, TraceHistogramMax: 6, EmptinessCheckTime: 27.7ms, AutomataDifference: 3158.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 58.6ms, InitialAbstractionConstructionTime: 21.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 471 SDtfs, 1054 SDslu, 45 SDs, 0 SdLazy, 2819 SolverSat, 589 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2186.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1707occurred in iteration=6, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 182.1ms AutomataMinimizationTime, 8 MinimizatonAttempts, 786 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 960 FormulaSimplificationTreeSizeReduction, 31.3ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 21.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 68.0ms SsaConstructionTime, 209.2ms SatisfiabilityAnalysisTime, 1002.4ms InterpolantComputationTime, 1445 NumberOfCodeBlocks, 1445 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1436 ConstructedInterpolants, 0 QuantifiedInterpolants, 3031 SizeOfPredicates, 0 NumberOfNonLiveVariables, 459 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 520/526 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 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((a21 == 1 && a16 <= 5) || ((a21 == 1 && a17 == 1) && a20 == 1)) || a8 <= 13) || (a21 == 1 && 15 <= a8) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((a21 == 1 && a16 <= 5) || ((a21 == 1 && a17 == 1) && a20 == 1)) || a8 <= 13) || (a21 == 1 && 15 <= a8) RESULT: Ultimate proved your program to be correct! [2021-08-25 20:42:28,196 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...