./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all.i --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/list-simple/sll2n_update_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8db9818917d4101818df459d2d32c905a41e37ef ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 02:47:58,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 02:47:58,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 02:47:58,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 02:47:58,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 02:47:58,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 02:47:58,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 02:47:58,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 02:47:58,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 02:47:58,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 02:47:58,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 02:47:58,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 02:47:58,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 02:47:58,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 02:47:58,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 02:47:58,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 02:47:58,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 02:47:58,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 02:47:58,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 02:47:58,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 02:47:58,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 02:47:58,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 02:47:58,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 02:47:58,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 02:47:58,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 02:47:58,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 02:47:58,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 02:47:58,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 02:47:58,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 02:47:58,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 02:47:58,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 02:47:58,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 02:47:58,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 02:47:58,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 02:47:58,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 02:47:58,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 02:47:58,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 02:47:58,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 02:47:58,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 02:47:58,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 02:47:58,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 02:47:58,970 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 02:47:59,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 02:47:59,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 02:47:59,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 02:47:59,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 02:47:59,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 02:47:59,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 02:47:59,011 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 02:47:59,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 02:47:59,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 02:47:59,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 02:47:59,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 02:47:59,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 02:47:59,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 02:47:59,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 02:47:59,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 02:47:59,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 02:47:59,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 02:47:59,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 02:47:59,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 02:47:59,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 02:47:59,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 02:47:59,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 02:47:59,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:47:59,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 02:47:59,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 02:47:59,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 02:47:59,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 02:47:59,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 02:47:59,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 02:47:59,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 02:47:59,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db9818917d4101818df459d2d32c905a41e37ef [2021-08-26 02:47:59,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 02:47:59,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 02:47:59,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 02:47:59,377 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 02:47:59,378 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 02:47:59,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all.i [2021-08-26 02:47:59,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4acfb050/0dcaa58e51d24d5cb431bebbaa4b78e8/FLAGc96ff9f99 [2021-08-26 02:47:59,885 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 02:47:59,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all.i [2021-08-26 02:47:59,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4acfb050/0dcaa58e51d24d5cb431bebbaa4b78e8/FLAGc96ff9f99 [2021-08-26 02:48:00,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4acfb050/0dcaa58e51d24d5cb431bebbaa4b78e8 [2021-08-26 02:48:00,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 02:48:00,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 02:48:00,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 02:48:00,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 02:48:00,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 02:48:00,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b500cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00, skipping insertion in model container [2021-08-26 02:48:00,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 02:48:00,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 02:48:00,621 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/list-simple/sll2n_update_all.i[24218,24231] [2021-08-26 02:48:00,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:48:00,657 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 02:48:00,701 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/list-simple/sll2n_update_all.i[24218,24231] [2021-08-26 02:48:00,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 02:48:00,732 INFO L208 MainTranslator]: Completed translation [2021-08-26 02:48:00,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00 WrapperNode [2021-08-26 02:48:00,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 02:48:00,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 02:48:00,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 02:48:00,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 02:48:00,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 02:48:00,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 02:48:00,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 02:48:00,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 02:48:00,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 02:48:00,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 02:48:00,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 02:48:00,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 02:48:00,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (1/1) ... [2021-08-26 02:48:00,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 02:48:00,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:00,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 02:48:00,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 02:48:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 02:48:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-26 02:48:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 02:48:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 02:48:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 02:48:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 02:48:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 02:48:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 02:48:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 02:48:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 02:48:01,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 02:48:01,185 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-08-26 02:48:01,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:48:01 BoogieIcfgContainer [2021-08-26 02:48:01,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 02:48:01,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 02:48:01,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 02:48:01,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 02:48:01,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 02:48:00" (1/3) ... [2021-08-26 02:48:01,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fecc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:48:01, skipping insertion in model container [2021-08-26 02:48:01,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 02:48:00" (2/3) ... [2021-08-26 02:48:01,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fecc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 02:48:01, skipping insertion in model container [2021-08-26 02:48:01,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:48:01" (3/3) ... [2021-08-26 02:48:01,193 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_update_all.i [2021-08-26 02:48:01,197 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 02:48:01,198 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 02:48:01,245 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 02:48:01,250 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 02:48:01,250 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 02:48:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 28 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 02:48:01,265 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:01,265 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:01,266 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:01,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:01,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1121238131, now seen corresponding path program 1 times [2021-08-26 02:48:01,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:01,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328823036] [2021-08-26 02:48:01,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:01,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:48:01,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:01,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328823036] [2021-08-26 02:48:01,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328823036] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 02:48:01,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:48:01,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 02:48:01,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856091428] [2021-08-26 02:48:01,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 02:48:01,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:01,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 02:48:01,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:48:01,459 INFO L87 Difference]: Start difference. First operand has 29 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 28 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:01,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:01,468 INFO L93 Difference]: Finished difference Result 50 states and 73 transitions. [2021-08-26 02:48:01,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 02:48:01,469 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-26 02:48:01,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:01,475 INFO L225 Difference]: With dead ends: 50 [2021-08-26 02:48:01,475 INFO L226 Difference]: Without dead ends: 22 [2021-08-26 02:48:01,483 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 02:48:01,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-08-26 02:48:01,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-08-26 02:48:01,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2021-08-26 02:48:01,508 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13 [2021-08-26 02:48:01,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:01,510 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2021-08-26 02:48:01,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:01,511 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-08-26 02:48:01,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 02:48:01,515 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:01,515 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:01,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 02:48:01,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:01,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:01,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1860179837, now seen corresponding path program 1 times [2021-08-26 02:48:01,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:01,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041042106] [2021-08-26 02:48:01,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:01,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:48:01,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:01,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041042106] [2021-08-26 02:48:01,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041042106] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 02:48:01,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:48:01,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 02:48:01,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218661886] [2021-08-26 02:48:01,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 02:48:01,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:01,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 02:48:01,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 02:48:01,588 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:01,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:01,616 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2021-08-26 02:48:01,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 02:48:01,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-26 02:48:01,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:01,619 INFO L225 Difference]: With dead ends: 42 [2021-08-26 02:48:01,619 INFO L226 Difference]: Without dead ends: 27 [2021-08-26 02:48:01,620 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 02:48:01,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-08-26 02:48:01,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2021-08-26 02:48:01,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:01,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-08-26 02:48:01,626 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2021-08-26 02:48:01,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:01,626 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-08-26 02:48:01,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-08-26 02:48:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-26 02:48:01,629 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:01,629 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:01,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 02:48:01,630 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:01,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:01,631 INFO L82 PathProgramCache]: Analyzing trace with hash -2027989739, now seen corresponding path program 1 times [2021-08-26 02:48:01,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:01,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980601840] [2021-08-26 02:48:01,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:01,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:48:01,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:01,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980601840] [2021-08-26 02:48:01,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980601840] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:01,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382871266] [2021-08-26 02:48:01,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:01,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:01,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:01,753 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) [2021-08-26 02:48:01,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 02:48:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:01,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 02:48:01,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:48:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:48:01,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382871266] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:01,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:48:01,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-08-26 02:48:01,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650767019] [2021-08-26 02:48:01,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 02:48:01,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:01,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 02:48:01,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-26 02:48:01,970 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:01,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:01,995 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2021-08-26 02:48:01,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 02:48:01,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-08-26 02:48:01,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:01,998 INFO L225 Difference]: With dead ends: 43 [2021-08-26 02:48:01,998 INFO L226 Difference]: Without dead ends: 28 [2021-08-26 02:48:01,999 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-26 02:48:01,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-08-26 02:48:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-08-26 02:48:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:02,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2021-08-26 02:48:02,008 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 18 [2021-08-26 02:48:02,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:02,009 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-08-26 02:48:02,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-08-26 02:48:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-26 02:48:02,010 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:02,010 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:02,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 02:48:02,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:02,220 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:02,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:02,221 INFO L82 PathProgramCache]: Analyzing trace with hash -650193283, now seen corresponding path program 2 times [2021-08-26 02:48:02,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:02,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526999887] [2021-08-26 02:48:02,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:02,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-26 02:48:02,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:02,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526999887] [2021-08-26 02:48:02,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526999887] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 02:48:02,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:48:02,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 02:48:02,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818520298] [2021-08-26 02:48:02,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 02:48:02,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:02,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 02:48:02,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 02:48:02,316 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:02,335 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2021-08-26 02:48:02,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 02:48:02,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-26 02:48:02,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:02,337 INFO L225 Difference]: With dead ends: 49 [2021-08-26 02:48:02,337 INFO L226 Difference]: Without dead ends: 40 [2021-08-26 02:48:02,337 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 02:48:02,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-08-26 02:48:02,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2021-08-26 02:48:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2021-08-26 02:48:02,342 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 23 [2021-08-26 02:48:02,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:02,343 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2021-08-26 02:48:02,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-08-26 02:48:02,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-26 02:48:02,344 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:02,344 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:02,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 02:48:02,344 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:02,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:02,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1288329753, now seen corresponding path program 1 times [2021-08-26 02:48:02,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:02,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767562405] [2021-08-26 02:48:02,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:02,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-26 02:48:02,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:02,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767562405] [2021-08-26 02:48:02,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767562405] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:02,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43123340] [2021-08-26 02:48:02,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:02,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:02,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:02,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:48:02,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-26 02:48:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:02,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-26 02:48:02,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:48:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-26 02:48:02,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43123340] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:02,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:48:02,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 02:48:02,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451232839] [2021-08-26 02:48:02,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 02:48:02,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:02,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 02:48:02,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-08-26 02:48:02,748 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:02,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:02,800 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2021-08-26 02:48:02,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 02:48:02,800 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-08-26 02:48:02,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:02,803 INFO L225 Difference]: With dead ends: 51 [2021-08-26 02:48:02,803 INFO L226 Difference]: Without dead ends: 42 [2021-08-26 02:48:02,804 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 36.1ms TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-08-26 02:48:02,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-08-26 02:48:02,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 33. [2021-08-26 02:48:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2021-08-26 02:48:02,813 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 27 [2021-08-26 02:48:02,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:02,813 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2021-08-26 02:48:02,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2021-08-26 02:48:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-26 02:48:02,814 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:02,815 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:02,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-26 02:48:03,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:03,039 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:03,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:03,039 INFO L82 PathProgramCache]: Analyzing trace with hash 218280017, now seen corresponding path program 2 times [2021-08-26 02:48:03,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:03,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680949744] [2021-08-26 02:48:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:03,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-26 02:48:03,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:03,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680949744] [2021-08-26 02:48:03,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680949744] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:03,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104036331] [2021-08-26 02:48:03,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 02:48:03,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:03,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:03,136 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:48:03,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-26 02:48:03,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 02:48:03,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:48:03,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 02:48:03,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:48:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-26 02:48:03,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104036331] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:03,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:48:03,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-26 02:48:03,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602057597] [2021-08-26 02:48:03,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 02:48:03,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:03,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 02:48:03,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-26 02:48:03,350 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:03,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:03,398 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2021-08-26 02:48:03,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 02:48:03,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 31 [2021-08-26 02:48:03,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:03,399 INFO L225 Difference]: With dead ends: 55 [2021-08-26 02:48:03,399 INFO L226 Difference]: Without dead ends: 42 [2021-08-26 02:48:03,399 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.7ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-26 02:48:03,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-08-26 02:48:03,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 34. [2021-08-26 02:48:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2021-08-26 02:48:03,403 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 39 transitions. Word has length 31 [2021-08-26 02:48:03,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:03,404 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 39 transitions. [2021-08-26 02:48:03,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2021-08-26 02:48:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 02:48:03,405 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:03,405 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:03,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-26 02:48:03,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:03,609 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:03,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:03,609 INFO L82 PathProgramCache]: Analyzing trace with hash 343591370, now seen corresponding path program 1 times [2021-08-26 02:48:03,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:03,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352874229] [2021-08-26 02:48:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:03,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:04,166 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:48:04,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:04,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352874229] [2021-08-26 02:48:04,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352874229] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:04,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460783109] [2021-08-26 02:48:04,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:04,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:04,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:04,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:48:04,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-26 02:48:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:04,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 78 conjunts are in the unsatisfiable core [2021-08-26 02:48:04,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:48:04,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-26 02:48:04,486 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-26 02:48:04,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-26 02:48:04,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-08-26 02:48:04,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-26 02:48:04,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-26 02:48:04,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-08-26 02:48:04,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2021-08-26 02:48:05,035 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-08-26 02:48:05,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-08-26 02:48:05,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-08-26 02:48:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:48:05,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460783109] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:05,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:48:05,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 38 [2021-08-26 02:48:05,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129076307] [2021-08-26 02:48:05,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-08-26 02:48:05,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:05,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-08-26 02:48:05,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2021-08-26 02:48:05,264 INFO L87 Difference]: Start difference. First operand 34 states and 39 transitions. Second operand has 38 states, 38 states have (on average 1.631578947368421) internal successors, (62), 38 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:07,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:07,036 INFO L93 Difference]: Finished difference Result 78 states and 92 transitions. [2021-08-26 02:48:07,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-26 02:48:07,036 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.631578947368421) internal successors, (62), 38 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-26 02:48:07,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:07,037 INFO L225 Difference]: With dead ends: 78 [2021-08-26 02:48:07,037 INFO L226 Difference]: Without dead ends: 76 [2021-08-26 02:48:07,039 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 1944.2ms TimeCoverageRelationStatistics Valid=621, Invalid=3161, Unknown=0, NotChecked=0, Total=3782 [2021-08-26 02:48:07,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-08-26 02:48:07,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 49. [2021-08-26 02:48:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 48 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:07,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2021-08-26 02:48:07,046 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 32 [2021-08-26 02:48:07,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:07,047 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2021-08-26 02:48:07,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.631578947368421) internal successors, (62), 38 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2021-08-26 02:48:07,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 02:48:07,048 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:07,048 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:07,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-26 02:48:07,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:07,268 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:07,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:07,269 INFO L82 PathProgramCache]: Analyzing trace with hash 2113051981, now seen corresponding path program 1 times [2021-08-26 02:48:07,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:07,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392737274] [2021-08-26 02:48:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:07,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-26 02:48:07,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:07,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392737274] [2021-08-26 02:48:07,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392737274] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 02:48:07,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 02:48:07,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 02:48:07,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107997119] [2021-08-26 02:48:07,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 02:48:07,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:07,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 02:48:07,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-26 02:48:07,321 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:07,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:07,354 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2021-08-26 02:48:07,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 02:48:07,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-08-26 02:48:07,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:07,358 INFO L225 Difference]: With dead ends: 66 [2021-08-26 02:48:07,358 INFO L226 Difference]: Without dead ends: 58 [2021-08-26 02:48:07,359 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-26 02:48:07,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-08-26 02:48:07,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2021-08-26 02:48:07,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:07,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2021-08-26 02:48:07,367 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 33 [2021-08-26 02:48:07,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:07,367 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2021-08-26 02:48:07,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2021-08-26 02:48:07,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 02:48:07,368 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:07,368 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:07,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 02:48:07,369 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:07,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:07,369 INFO L82 PathProgramCache]: Analyzing trace with hash -66723983, now seen corresponding path program 2 times [2021-08-26 02:48:07,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:07,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122329805] [2021-08-26 02:48:07,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:07,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-26 02:48:07,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:07,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122329805] [2021-08-26 02:48:07,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122329805] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:07,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997301807] [2021-08-26 02:48:07,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 02:48:07,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:07,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:07,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:48:07,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-26 02:48:07,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 02:48:07,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:48:07,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-26 02:48:07,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:48:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-26 02:48:07,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997301807] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:07,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:48:07,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-08-26 02:48:07,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753519426] [2021-08-26 02:48:07,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 02:48:07,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:07,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 02:48:07,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-26 02:48:07,652 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:07,705 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2021-08-26 02:48:07,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 02:48:07,706 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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 33 [2021-08-26 02:48:07,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:07,707 INFO L225 Difference]: With dead ends: 85 [2021-08-26 02:48:07,707 INFO L226 Difference]: Without dead ends: 65 [2021-08-26 02:48:07,708 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 26.4ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-26 02:48:07,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-08-26 02:48:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 49. [2021-08-26 02:48:07,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:07,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2021-08-26 02:48:07,720 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 33 [2021-08-26 02:48:07,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:07,720 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2021-08-26 02:48:07,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2021-08-26 02:48:07,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-08-26 02:48:07,723 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:07,723 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] [2021-08-26 02:48:07,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-26 02:48:07,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:07,947 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:07,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:07,947 INFO L82 PathProgramCache]: Analyzing trace with hash 655990325, now seen corresponding path program 1 times [2021-08-26 02:48:07,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:07,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022500105] [2021-08-26 02:48:07,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:07,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-26 02:48:08,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:08,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022500105] [2021-08-26 02:48:08,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022500105] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:08,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837023742] [2021-08-26 02:48:08,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:08,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:08,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:08,008 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:48:08,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-26 02:48:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:08,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 02:48:08,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:48:08,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-26 02:48:08,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837023742] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:08,281 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:48:08,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-08-26 02:48:08,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340335202] [2021-08-26 02:48:08,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 02:48:08,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:08,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 02:48:08,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-08-26 02:48:08,285 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:08,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:08,318 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2021-08-26 02:48:08,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 02:48:08,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 38 [2021-08-26 02:48:08,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:08,321 INFO L225 Difference]: With dead ends: 64 [2021-08-26 02:48:08,321 INFO L226 Difference]: Without dead ends: 56 [2021-08-26 02:48:08,321 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.6ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-26 02:48:08,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-08-26 02:48:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2021-08-26 02:48:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 49 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:08,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2021-08-26 02:48:08,339 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 38 [2021-08-26 02:48:08,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:08,340 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2021-08-26 02:48:08,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:08,340 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2021-08-26 02:48:08,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-08-26 02:48:08,343 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:08,344 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 02:48:08,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-26 02:48:08,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:08,561 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:08,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:08,561 INFO L82 PathProgramCache]: Analyzing trace with hash -137671404, now seen corresponding path program 3 times [2021-08-26 02:48:08,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:08,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493837800] [2021-08-26 02:48:08,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:08,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-26 02:48:08,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:08,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493837800] [2021-08-26 02:48:08,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493837800] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:08,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122100801] [2021-08-26 02:48:08,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-26 02:48:08,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:08,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:08,680 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:48:08,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-26 02:48:08,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-26 02:48:08,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:48:08,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 02:48:08,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:48:09,110 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-26 02:48:09,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122100801] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 02:48:09,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-26 02:48:09,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-08-26 02:48:09,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790856036] [2021-08-26 02:48:09,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 02:48:09,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:09,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 02:48:09,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2021-08-26 02:48:09,115 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:09,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:09,140 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions. [2021-08-26 02:48:09,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 02:48:09,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-08-26 02:48:09,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:09,141 INFO L225 Difference]: With dead ends: 70 [2021-08-26 02:48:09,141 INFO L226 Difference]: Without dead ends: 40 [2021-08-26 02:48:09,142 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 42.3ms TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2021-08-26 02:48:09,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-08-26 02:48:09,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-08-26 02:48:09,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 39 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2021-08-26 02:48:09,151 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 38 [2021-08-26 02:48:09,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:09,152 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2021-08-26 02:48:09,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2021-08-26 02:48:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-08-26 02:48:09,154 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:09,154 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] [2021-08-26 02:48:09,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-26 02:48:09,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:09,369 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:09,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:09,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1087482302, now seen corresponding path program 1 times [2021-08-26 02:48:09,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:09,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783010954] [2021-08-26 02:48:09,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:09,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:48:09,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:09,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783010954] [2021-08-26 02:48:09,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783010954] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:09,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064934639] [2021-08-26 02:48:09,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:09,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:09,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:09,885 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:48:09,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-26 02:48:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:10,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 85 conjunts are in the unsatisfiable core [2021-08-26 02:48:10,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:48:10,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-26 02:48:10,146 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-26 02:48:10,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-26 02:48:10,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-08-26 02:48:10,377 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-08-26 02:48:10,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2021-08-26 02:48:10,576 INFO L354 Elim1Store]: treesize reduction 53, result has 14.5 percent of original size [2021-08-26 02:48:10,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 86 [2021-08-26 02:48:10,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 77 [2021-08-26 02:48:10,596 INFO L354 Elim1Store]: treesize reduction 53, result has 14.5 percent of original size [2021-08-26 02:48:10,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 61 [2021-08-26 02:48:10,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 30 [2021-08-26 02:48:10,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-08-26 02:48:10,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-08-26 02:48:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 02:48:10,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064934639] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:10,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:48:10,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 34 [2021-08-26 02:48:10,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256535096] [2021-08-26 02:48:10,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-08-26 02:48:10,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:10,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-08-26 02:48:10,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1042, Unknown=0, NotChecked=0, Total=1122 [2021-08-26 02:48:10,950 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand has 34 states, 34 states have (on average 1.9705882352941178) internal successors, (67), 34 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:12,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:12,293 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2021-08-26 02:48:12,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-26 02:48:12,293 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.9705882352941178) internal successors, (67), 34 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-08-26 02:48:12,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:12,294 INFO L225 Difference]: With dead ends: 49 [2021-08-26 02:48:12,294 INFO L226 Difference]: Without dead ends: 44 [2021-08-26 02:48:12,295 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 26 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1608.0ms TimeCoverageRelationStatistics Valid=377, Invalid=2485, Unknown=0, NotChecked=0, Total=2862 [2021-08-26 02:48:12,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-08-26 02:48:12,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2021-08-26 02:48:12,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.05) internal successors, (42), 40 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:12,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2021-08-26 02:48:12,303 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 39 [2021-08-26 02:48:12,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:12,304 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2021-08-26 02:48:12,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.9705882352941178) internal successors, (67), 34 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2021-08-26 02:48:12,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-08-26 02:48:12,304 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 02:48:12,304 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-08-26 02:48:12,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-26 02:48:12,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-26 02:48:12,524 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 02:48:12,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 02:48:12,525 INFO L82 PathProgramCache]: Analyzing trace with hash 699441109, now seen corresponding path program 2 times [2021-08-26 02:48:12,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 02:48:12,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144630690] [2021-08-26 02:48:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 02:48:12,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 02:48:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 02:48:12,565 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-26 02:48:12,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 02:48:12,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144630690] [2021-08-26 02:48:12,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144630690] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:12,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937634562] [2021-08-26 02:48:12,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 02:48:12,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 02:48:12,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 02:48:12,581 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 02:48:12,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-26 02:48:12,773 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 02:48:12,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 02:48:12,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-26 02:48:12,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 02:48:12,892 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-26 02:48:12,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937634562] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 02:48:12,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 02:48:12,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2021-08-26 02:48:12,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641526383] [2021-08-26 02:48:12,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 02:48:12,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 02:48:12,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 02:48:12,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-26 02:48:12,894 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:12,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 02:48:12,941 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2021-08-26 02:48:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-26 02:48:12,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-08-26 02:48:12,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 02:48:12,942 INFO L225 Difference]: With dead ends: 41 [2021-08-26 02:48:12,942 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 02:48:12,942 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 43.6ms TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-08-26 02:48:12,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 02:48:12,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 02:48:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 02:48:12,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-08-26 02:48:12,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 02:48:12,942 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 02:48:12,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 02:48:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 02:48:12,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 02:48:12,944 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 02:48:12,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-26 02:48:13,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-26 02:48:13,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 02:48:13,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:13,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 02:48:14,436 INFO L860 garLoopResultBuilder]: At program point L572(line 572) the Hoare annotation is: true [2021-08-26 02:48:14,436 INFO L857 garLoopResultBuilder]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2021-08-26 02:48:14,436 INFO L853 garLoopResultBuilder]: At program point L622-3(lines 622 627) the Hoare annotation is: (let ((.cse21 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base)) (.cse8 (+ ULTIMATE.start_main_~s~0.offset 4)) (.cse7 (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base))) (let ((.cse20 (select .cse7 4)) (.cse6 (select .cse21 .cse8)) (.cse5 (+ ULTIMATE.start_main_~len~0 1)) (.cse19 (select .cse21 4))) (let ((.cse1 (= ULTIMATE.start_sll_update_at_~head.base .cse19)) (.cse3 (<= .cse5 ULTIMATE.start_sll_update_at_~data)) (.cse10 (= ULTIMATE.start_main_~s~0.offset 0)) (.cse11 (not (= .cse6 ULTIMATE.start_main_~s~0.base))) (.cse15 (= .cse20 ULTIMATE.start_sll_update_at_~head.offset)) (.cse16 (<= ULTIMATE.start_sll_update_at_~data .cse5)) (.cse13 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) (.cse0 (= (select |#valid| ULTIMATE.start_node_create_~temp~0.base) 1)) (.cse2 (= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse4 (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1)) (.cse9 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse14 (= 2 ULTIMATE.start_main_~len~0)) (.cse17 (<= ULTIMATE.start_sll_update_at_~index 0))) (or (let ((.cse12 (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= .cse5 (select (select |#memory_int| .cse6) (select .cse7 .cse8))) .cse9 .cse10 .cse11 (<= .cse12 .cse13) .cse14 .cse15 (= ULTIMATE.start_main_~i~0 0) .cse16 (<= .cse13 .cse12) .cse17)) (let ((.cse18 (select (select |#memory_int| .cse19) .cse20))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 (<= .cse18 .cse5) .cse10 (<= ULTIMATE.start_sll_get_data_at_~index 0) .cse11 .cse14 .cse15 .cse16 (<= .cse13 .cse18) (= ULTIMATE.start_main_~i~0 1) .cse17)) (and .cse0 .cse2 (<= 2 ULTIMATE.start_main_~i~0) .cse4 .cse9 .cse14 .cse17))))) [2021-08-26 02:48:14,436 INFO L857 garLoopResultBuilder]: For program point L622-4(lines 622 627) no Hoare annotation was computed. [2021-08-26 02:48:14,436 INFO L853 garLoopResultBuilder]: At program point L581(lines 574 582) the Hoare annotation is: (let ((.cse0 (= (select |#valid| ULTIMATE.start_node_create_~temp~0.base) 1)) (.cse1 (= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse2 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse3 (= 2 ULTIMATE.start_main_~len~0))) (or (and .cse0 .cse1 (= 2 ULTIMATE.start_sll_create_~len) .cse2 .cse3) (and .cse0 .cse1 (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1) .cse2 (not (= |ULTIMATE.start_node_create_#res.base| ULTIMATE.start_sll_create_~head~0.base)) (<= 1 ULTIMATE.start_sll_create_~len) (= |ULTIMATE.start_node_create_#res.offset| 0) .cse3 (not (= ULTIMATE.start_sll_create_~head~0.base ULTIMATE.start_node_create_~temp~0.base))))) [2021-08-26 02:48:14,437 INFO L857 garLoopResultBuilder]: For program point L606(lines 1 632) no Hoare annotation was computed. [2021-08-26 02:48:14,437 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 02:48:14,437 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 02:48:14,437 INFO L860 garLoopResultBuilder]: At program point L631(lines 613 632) the Hoare annotation is: true [2021-08-26 02:48:14,437 INFO L853 garLoopResultBuilder]: At program point L590(lines 583 591) the Hoare annotation is: (and (= (select |#valid| ULTIMATE.start_node_create_~temp~0.base) 1) (= ULTIMATE.start_node_create_~temp~0.offset 0) (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1) (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1) (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4)))) (= 2 ULTIMATE.start_main_~len~0) (= ULTIMATE.start_sll_create_~head~0.offset 0) (= |ULTIMATE.start_sll_create_#res.offset| 0) (not (= |ULTIMATE.start_sll_create_#res.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|) (+ |ULTIMATE.start_sll_create_#res.offset| 4))))) [2021-08-26 02:48:14,437 INFO L853 garLoopResultBuilder]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse13 (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|)) (.cse21 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base)) (.cse5 (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base))) (let ((.cse7 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset)) (.cse9 (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base)) (.cse0 (= (select |#valid| ULTIMATE.start_node_create_~temp~0.base) 1)) (.cse14 (not (= ULTIMATE.start_sll_create_~head~0.base (select .cse5 4)))) (.cse15 (<= ULTIMATE.start_main_~i~0 1)) (.cse1 (= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse2 (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1)) (.cse16 (= ULTIMATE.start_main_~len~0 (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (.cse4 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse17 (<= 1 ULTIMATE.start_main_~i~0)) (.cse6 (= ULTIMATE.start_main_~s~0.offset 0)) (.cse18 (not (= (select .cse21 (+ ULTIMATE.start_main_~s~0.offset 4)) ULTIMATE.start_main_~s~0.base))) (.cse8 (= 2 ULTIMATE.start_main_~len~0)) (.cse20 (+ ULTIMATE.start_main_~len~0 1)) (.cse10 (= ULTIMATE.start_sll_create_~head~0.offset 0)) (.cse19 (not (= |ULTIMATE.start_sll_create_#res.base| (select .cse13 4)))) (.cse11 (<= ULTIMATE.start_sll_update_at_~index 0)) (.cse12 (= |ULTIMATE.start_sll_create_#res.offset| 0))) (or (let ((.cse3 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0))) (and .cse0 .cse1 .cse2 (<= .cse3 ULTIMATE.start_sll_update_at_~data) (<= ULTIMATE.start_sll_update_at_~data .cse3) .cse4 (not (= ULTIMATE.start_sll_create_~head~0.base (select .cse5 (+ ULTIMATE.start_sll_create_~head~0.offset 4)))) .cse6 .cse7 .cse8 .cse9 (= ULTIMATE.start_main_~i~0 0) .cse10 .cse11 .cse12 (not (= |ULTIMATE.start_sll_create_#res.base| (select .cse13 (+ |ULTIMATE.start_sll_create_#res.offset| 4)))) (not (= ULTIMATE.start_sll_update_at_~head.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_update_at_~head.base) 4))))) (and .cse0 .cse14 .cse15 .cse1 (<= 1 ULTIMATE.start_sll_update_at_~index) .cse2 .cse16 .cse4 .cse17 (<= ULTIMATE.start_sll_update_at_~index 1) .cse7 .cse18 .cse8 .cse9 .cse10 .cse19 (= .cse20 ULTIMATE.start_sll_update_at_~data) .cse12 (= ULTIMATE.start_sll_update_at_~head.offset 0)) (and .cse0 .cse14 (= ULTIMATE.start_sll_update_at_~head.base (select .cse21 4)) .cse15 .cse1 (<= .cse20 ULTIMATE.start_sll_update_at_~data) .cse2 .cse16 .cse4 .cse17 .cse6 .cse18 .cse8 (= (select (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base) 4) ULTIMATE.start_sll_update_at_~head.offset) (<= ULTIMATE.start_sll_update_at_~data .cse20) .cse10 .cse19 .cse11 .cse12)))) [2021-08-26 02:48:14,437 INFO L857 garLoopResultBuilder]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2021-08-26 02:48:14,437 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 626) no Hoare annotation was computed. [2021-08-26 02:48:14,437 INFO L853 garLoopResultBuilder]: At program point L600-2(lines 600 603) the Hoare annotation is: (let ((.cse20 (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base)) (.cse27 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base))) (let ((.cse25 (select .cse27 4)) (.cse24 (select .cse20 4)) (.cse21 (+ ULTIMATE.start_main_~s~0.offset 4))) (let ((.cse19 (select .cse27 .cse21)) (.cse23 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) (.cse26 (select (select |#memory_int| .cse25) .cse24)) (.cse18 (+ ULTIMATE.start_main_~len~0 1))) (let ((.cse6 (<= .cse26 .cse18)) (.cse12 (<= .cse23 .cse26)) (.cse13 (= ULTIMATE.start_main_~i~0 1)) (.cse0 (= (select |#valid| ULTIMATE.start_node_create_~temp~0.base) 1)) (.cse1 (= ULTIMATE.start_sll_update_at_~head.base .cse25)) (.cse2 (= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse3 (<= .cse18 ULTIMATE.start_sll_update_at_~data)) (.cse4 (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1)) (.cse5 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse15 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (.cse7 (= ULTIMATE.start_main_~s~0.offset 0)) (.cse8 (not (= .cse19 ULTIMATE.start_main_~s~0.base))) (.cse9 (= 2 ULTIMATE.start_main_~len~0)) (.cse10 (= .cse24 ULTIMATE.start_sll_update_at_~head.offset)) (.cse11 (<= ULTIMATE.start_sll_update_at_~data .cse18)) (.cse14 (<= ULTIMATE.start_sll_update_at_~index 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= ULTIMATE.start_sll_get_data_at_~index 0) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= ULTIMATE.start_main_~expected~0 .cse15) (<= .cse15 ULTIMATE.start_main_~expected~0)) (let ((.cse17 (+ ULTIMATE.start_sll_get_data_at_~head.offset 4))) (let ((.cse16 (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_get_data_at_~head.base) .cse17))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not (= ULTIMATE.start_sll_get_data_at_~head.base .cse16)) .cse9 .cse10 .cse11 .cse12 .cse13 (= (select (select |#memory_int| .cse16) (select (select |#memory_$Pointer$.offset| ULTIMATE.start_sll_get_data_at_~head.base) .cse17)) ULTIMATE.start_main_~expected~0) .cse14 (<= 1 ULTIMATE.start_sll_get_data_at_~index) (<= ULTIMATE.start_sll_get_data_at_~index 1) (= ULTIMATE.start_sll_get_data_at_~head.offset 0)))) (let ((.cse22 (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (and .cse0 .cse1 .cse2 (= .cse15 ULTIMATE.start_main_~expected~0) .cse3 .cse4 (= .cse18 (select (select |#memory_int| .cse19) (select .cse20 .cse21))) .cse5 (= .cse15 2) .cse7 .cse8 (<= .cse22 .cse23) .cse9 .cse10 (= ULTIMATE.start_main_~i~0 0) .cse11 (<= .cse23 .cse22) .cse14 (= ULTIMATE.start_sll_get_data_at_~index 0)))))))) [2021-08-26 02:48:14,437 INFO L857 garLoopResultBuilder]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2021-08-26 02:48:14,438 INFO L853 garLoopResultBuilder]: At program point L625(lines 613 632) the Hoare annotation is: false [2021-08-26 02:48:14,438 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 598) no Hoare annotation was computed. [2021-08-26 02:48:14,438 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 578) no Hoare annotation was computed. [2021-08-26 02:48:14,438 INFO L857 garLoopResultBuilder]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2021-08-26 02:48:14,438 INFO L860 garLoopResultBuilder]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2021-08-26 02:48:14,438 INFO L853 garLoopResultBuilder]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse11 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base)) (.cse16 (+ ULTIMATE.start_main_~s~0.offset 4))) (let ((.cse14 (select .cse11 .cse16))) (let ((.cse0 (= (select |#valid| ULTIMATE.start_node_create_~temp~0.base) 1)) (.cse1 (= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse2 (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1)) (.cse13 (= ULTIMATE.start_main_~len~0 (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (.cse3 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse4 (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4))))) (.cse5 (= ULTIMATE.start_main_~s~0.offset 0)) (.cse6 (not (= .cse14 ULTIMATE.start_main_~s~0.base))) (.cse7 (= 2 ULTIMATE.start_main_~len~0)) (.cse8 (= ULTIMATE.start_sll_create_~head~0.offset 0)) (.cse17 (<= ULTIMATE.start_sll_update_at_~index 0)) (.cse9 (= |ULTIMATE.start_sll_create_#res.offset| 0)) (.cse10 (not (= |ULTIMATE.start_sll_create_#res.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res.base|) (+ |ULTIMATE.start_sll_create_#res.offset| 4)))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ULTIMATE.start_main_~i~0 0) .cse8 .cse9 .cse10) (let ((.cse15 (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base)) (.cse12 (+ ULTIMATE.start_main_~len~0 1))) (and .cse0 (= ULTIMATE.start_sll_update_at_~head.base (select .cse11 4)) .cse1 (<= 2 ULTIMATE.start_main_~i~0) (<= .cse12 ULTIMATE.start_sll_update_at_~data) .cse2 .cse13 (= .cse12 (select (select |#memory_int| .cse14) (select .cse15 .cse16))) .cse3 .cse5 .cse6 .cse7 (= (select .cse15 4) ULTIMATE.start_sll_update_at_~head.offset) (<= ULTIMATE.start_sll_update_at_~data .cse12) .cse17)) (and .cse0 (= ULTIMATE.start_sll_update_at_~data ULTIMATE.start_main_~len~0) (<= ULTIMATE.start_main_~i~0 1) .cse1 .cse2 .cse13 .cse3 .cse4 (<= 1 ULTIMATE.start_main_~i~0) .cse5 (= ULTIMATE.start_main_~s~0.offset ULTIMATE.start_sll_update_at_~head.offset) .cse6 .cse7 (= ULTIMATE.start_main_~s~0.base ULTIMATE.start_sll_update_at_~head.base) .cse8 .cse17 .cse9 .cse10))))) [2021-08-26 02:48:14,438 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 589) no Hoare annotation was computed. [2021-08-26 02:48:14,438 INFO L857 garLoopResultBuilder]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2021-08-26 02:48:14,438 INFO L853 garLoopResultBuilder]: At program point L585-3(lines 585 589) the Hoare annotation is: (let ((.cse1 (= (select |#valid| ULTIMATE.start_node_create_~temp~0.base) 1)) (.cse2 (= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse3 (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1)) (.cse4 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse0 (= 2 ULTIMATE.start_main_~len~0))) (or (and (= 2 ULTIMATE.start_sll_create_~len) .cse0) (and .cse1 .cse2 .cse3 .cse4 (not (= ULTIMATE.start_sll_create_~head~0.base (select (select |#memory_$Pointer$.base| ULTIMATE.start_sll_create_~head~0.base) (+ ULTIMATE.start_sll_create_~head~0.offset 4)))) .cse0 (= ULTIMATE.start_sll_create_~head~0.offset 0)) (and .cse1 .cse2 .cse3 .cse4 (<= 1 ULTIMATE.start_sll_create_~len) .cse0))) [2021-08-26 02:48:14,438 INFO L857 garLoopResultBuilder]: For program point L585-4(lines 585 589) no Hoare annotation was computed. [2021-08-26 02:48:14,438 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 02:48:14,439 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-08-26 02:48:14,439 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 02:48:14,439 INFO L853 garLoopResultBuilder]: At program point L604(lines 599 605) the Hoare annotation is: (let ((.cse22 (select |#memory_$Pointer$.base| ULTIMATE.start_main_~s~0.base)) (.cse20 (+ ULTIMATE.start_main_~s~0.offset 4)) (.cse19 (select |#memory_$Pointer$.offset| ULTIMATE.start_main_~s~0.base))) (let ((.cse17 (select .cse19 4)) (.cse18 (select .cse22 .cse20)) (.cse7 (+ ULTIMATE.start_main_~len~0 1)) (.cse16 (select .cse22 4))) (let ((.cse0 (= (select |#valid| ULTIMATE.start_node_create_~temp~0.base) 1)) (.cse1 (= ULTIMATE.start_sll_update_at_~head.base .cse16)) (.cse2 (= ULTIMATE.start_node_create_~temp~0.offset 0)) (.cse3 (<= .cse7 ULTIMATE.start_sll_update_at_~data)) (.cse4 (= (select |#valid| ULTIMATE.start_sll_create_~head~0.base) 1)) (.cse5 (= (select |#valid| |ULTIMATE.start_node_create_#res.base|) 1)) (.cse15 (select (select |#memory_int| ULTIMATE.start_sll_get_data_at_~head.base) ULTIMATE.start_sll_get_data_at_~head.offset)) (.cse8 (= ULTIMATE.start_main_~s~0.offset 0)) (.cse9 (not (= .cse18 ULTIMATE.start_main_~s~0.base))) (.cse10 (= 2 ULTIMATE.start_main_~len~0)) (.cse11 (= .cse17 ULTIMATE.start_sll_update_at_~head.offset)) (.cse12 (<= ULTIMATE.start_sll_update_at_~data .cse7)) (.cse13 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) (.cse14 (<= ULTIMATE.start_sll_update_at_~index 0))) (or (let ((.cse6 (select (select |#memory_int| .cse16) .cse17))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= .cse6 .cse7) .cse8 (<= |ULTIMATE.start_sll_get_data_at_#res| ULTIMATE.start_main_~expected~0) .cse9 .cse10 .cse11 .cse12 (<= .cse13 .cse6) (= ULTIMATE.start_main_~i~0 1) .cse14 (<= ULTIMATE.start_main_~expected~0 .cse15) (<= .cse15 ULTIMATE.start_main_~expected~0) (<= ULTIMATE.start_main_~expected~0 |ULTIMATE.start_sll_get_data_at_#res|))) (let ((.cse21 (select (select |#memory_int| ULTIMATE.start_main_~s~0.base) ULTIMATE.start_main_~s~0.offset))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= .cse7 (select (select |#memory_int| .cse18) (select .cse19 .cse20))) .cse5 (= .cse15 2) (= 2 ULTIMATE.start_main_~expected~0) .cse8 .cse9 (<= .cse21 .cse13) .cse10 .cse11 (= ULTIMATE.start_main_~i~0 0) .cse12 (<= .cse13 .cse21) (= 2 |ULTIMATE.start_sll_get_data_at_#res|) .cse14 (= ULTIMATE.start_sll_get_data_at_~index 0))))))) [2021-08-26 02:48:14,442 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 02:48:14,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,452 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,457 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,457 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,457 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,458 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,459 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,459 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,459 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,461 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,463 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,463 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,467 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,467 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,467 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,468 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,469 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,469 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,469 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,469 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,477 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,483 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,483 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,483 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,483 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,483 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,485 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,485 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,485 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,488 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,488 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,488 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,489 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,489 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,489 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,489 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,489 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,490 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,490 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,490 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,492 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,492 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,499 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 02:48:14 BoogieIcfgContainer [2021-08-26 02:48:14,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 02:48:14,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 02:48:14,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 02:48:14,504 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 02:48:14,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 02:48:01" (3/4) ... [2021-08-26 02:48:14,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 02:48:14,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 02:48:14,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-08-26 02:48:14,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 02:48:14,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 02:48:14,547 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 == len && 2 == len) || ((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && 2 == len) && head == 0)) || (((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && 1 <= len) && 2 == len) [2021-08-26 02:48:14,547 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && 2 == len) && head == 0) && \result == 0) && !(\result == #memory_$Pointer$[\result][\result + 4]) [2021-08-26 02:48:14,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && i == 0) && head == 0) && \result == 0) && !(\result == #memory_$Pointer$[\result][\result + 4])) || ((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && 2 <= i) && len + 1 <= data) && \valid[head] == 1) && len == unknown-#memory_int-unknown[s][s]) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && \valid[\result] == 1) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && index <= 0)) || (((((((((((((((((\valid[temp] == 1 && data == len) && i <= 1) && temp == 0) && \valid[head] == 1) && len == unknown-#memory_int-unknown[s][s]) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && 1 <= i) && s == 0) && s == head) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && s == head) && head == 0) && index <= 0) && \result == 0) && !(\result == #memory_$Pointer$[\result][\result + 4])) [2021-08-26 02:48:14,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && \valid[\result] == 1) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && unknown-#memory_int-unknown[s][s] <= i + len) && 2 == len) && #memory_$Pointer$[s][4] == head) && i == 0) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[s][s]) && index <= 0) || (((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && \valid[\result] == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && s == 0) && index <= 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && i == 1) && index <= 0)) || ((((((\valid[temp] == 1 && temp == 0) && 2 <= i) && \valid[head] == 1) && \valid[\result] == 1) && 2 == len) && index <= 0) [2021-08-26 02:48:14,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\valid[temp] == 1 && temp == 0) && 2 == len) && \valid[\result] == 1) && 2 == len) || ((((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && !(\result == head)) && 1 <= len) && \result == 0) && 2 == len) && !(head == temp)) [2021-08-26 02:48:14,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && i + len <= data) && data <= i + len) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && s == 0) && s == head) && 2 == len) && s == head) && i == 0) && head == 0) && index <= 0) && \result == 0) && !(\result == #memory_$Pointer$[\result][\result + 4])) && !(head == #memory_$Pointer$[head][4])) || ((((((((((((((((((\valid[temp] == 1 && !(head == #memory_$Pointer$[head][4])) && i <= 1) && temp == 0) && 1 <= index) && \valid[head] == 1) && len == unknown-#memory_int-unknown[s][s]) && \valid[\result] == 1) && 1 <= i) && index <= 1) && s == head) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && s == head) && head == 0) && !(\result == #memory_$Pointer$[\result][4])) && len + 1 == data) && \result == 0) && head == 0)) || ((((((((((((((((((\valid[temp] == 1 && !(head == #memory_$Pointer$[head][4])) && head == #memory_$Pointer$[s][4]) && i <= 1) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && len == unknown-#memory_int-unknown[s][s]) && \valid[\result] == 1) && 1 <= i) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && head == 0) && !(\result == #memory_$Pointer$[\result][4])) && index <= 0) && \result == 0) [2021-08-26 02:48:14,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && \valid[\result] == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && s == 0) && index <= 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && i == 1) && index <= 0) && expected <= unknown-#memory_int-unknown[head][head]) && unknown-#memory_int-unknown[head][head] <= expected) || (((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && \valid[\result] == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && !(head == #memory_$Pointer$[head][head + 4])) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && i == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head + 4]][#memory_$Pointer$[head][head + 4]] == expected) && index <= 0) && 1 <= index) && index <= 1) && head == 0)) || ((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && unknown-#memory_int-unknown[head][head] == expected) && len + 1 <= data) && \valid[head] == 1) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && \valid[\result] == 1) && unknown-#memory_int-unknown[head][head] == 2) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && unknown-#memory_int-unknown[s][s] <= i + len) && 2 == len) && #memory_$Pointer$[s][4] == head) && i == 0) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[s][s]) && index <= 0) && index == 0) [2021-08-26 02:48:14,550 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && \valid[\result] == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && s == 0) && \result <= expected) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && i == 1) && index <= 0) && expected <= unknown-#memory_int-unknown[head][head]) && unknown-#memory_int-unknown[head][head] <= expected) && expected <= \result) || (((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && \valid[\result] == 1) && unknown-#memory_int-unknown[head][head] == 2) && 2 == expected) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && unknown-#memory_int-unknown[s][s] <= i + len) && 2 == len) && #memory_$Pointer$[s][4] == head) && i == 0) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[s][s]) && 2 == \result) && index <= 0) && index == 0) [2021-08-26 02:48:14,564 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 02:48:14,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 02:48:14,565 INFO L168 Benchmark]: Toolchain (without parser) took 14300.62 ms. Allocated memory was 56.6 MB in the beginning and 176.2 MB in the end (delta: 119.5 MB). Free memory was 34.4 MB in the beginning and 93.7 MB in the end (delta: -59.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 16.1 GB. [2021-08-26 02:48:14,566 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 38.8 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 02:48:14,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.14 ms. Allocated memory is still 56.6 MB. Free memory was 34.2 MB in the beginning and 34.7 MB in the end (delta: -473.6 kB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-08-26 02:48:14,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.58 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 32.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 02:48:14,566 INFO L168 Benchmark]: Boogie Preprocessor took 48.73 ms. Allocated memory is still 56.6 MB. Free memory was 32.5 MB in the beginning and 31.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 02:48:14,567 INFO L168 Benchmark]: RCFGBuilder took 339.20 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.8 MB in the beginning and 35.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-08-26 02:48:14,567 INFO L168 Benchmark]: TraceAbstraction took 13314.68 ms. Allocated memory was 69.2 MB in the beginning and 176.2 MB in the end (delta: 107.0 MB). Free memory was 34.7 MB in the beginning and 97.9 MB in the end (delta: -63.3 MB). Peak memory consumption was 92.4 MB. Max. memory is 16.1 GB. [2021-08-26 02:48:14,567 INFO L168 Benchmark]: Witness Printer took 61.23 ms. Allocated memory is still 176.2 MB. Free memory was 97.9 MB in the beginning and 93.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 02:48:14,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 38.8 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 469.14 ms. Allocated memory is still 56.6 MB. Free memory was 34.2 MB in the beginning and 34.7 MB in the end (delta: -473.6 kB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.58 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 32.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.73 ms. Allocated memory is still 56.6 MB. Free memory was 32.5 MB in the beginning and 31.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 339.20 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 30.8 MB in the beginning and 35.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13314.68 ms. Allocated memory was 69.2 MB in the beginning and 176.2 MB in the end (delta: 107.0 MB). Free memory was 34.7 MB in the beginning and 97.9 MB in the end (delta: -63.3 MB). Peak memory consumption was 92.4 MB. Max. memory is 16.1 GB. * Witness Printer took 61.23 ms. Allocated memory is still 176.2 MB. Free memory was 97.9 MB in the beginning and 93.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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: 630]: 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, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13198.7ms, OverallIterations: 13, TraceHistogramMax: 3, EmptinessCheckTime: 25.1ms, AutomataDifference: 3573.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1289.9ms, InitialAbstractionConstructionTime: 7.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 299 SDtfs, 838 SDslu, 927 SDs, 0 SdLazy, 1504 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 899.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 272 SyntacticMatches, 3 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049 ImplicationChecksByTransitivity, 3771.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=8, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 110.1ms AutomataMinimizationTime, 13 MinimizatonAttempts, 91 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 32 NumberOfFragments, 1537 HoareAnnotationTreeSize, 12 FomulaSimplifications, 10566 FormulaSimplificationTreeSizeReduction, 123.2ms HoareSimplificationTime, 12 FomulaSimplificationsInter, 334 FormulaSimplificationTreeSizeReductionInter, 1159.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 166.3ms SsaConstructionTime, 604.9ms SatisfiabilityAnalysisTime, 4301.0ms InterpolantComputationTime, 674 NumberOfCodeBlocks, 673 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 3325 SizeOfPredicates, 90 NumberOfNonLiveVariables, 1861 ConjunctsInSsa, 199 ConjunctsInUnsatCore, 22 InterpolantComputations, 5 PerfectInterpolantSequences, 242/335 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: 1 - InvariantResult [Line: 622]: Loop Invariant [2021-08-26 02:48:14,577 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,577 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,578 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,579 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,579 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,579 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,580 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,580 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,580 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,580 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,580 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && \valid[\result] == 1) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && unknown-#memory_int-unknown[s][s] <= i + len) && 2 == len) && #memory_$Pointer$[s][4] == head) && i == 0) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[s][s]) && index <= 0) || (((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && \valid[\result] == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && s == 0) && index <= 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && i == 1) && index <= 0)) || ((((((\valid[temp] == 1 && temp == 0) && 2 <= i) && \valid[head] == 1) && \valid[\result] == 1) && 2 == len) && index <= 0) - InvariantResult [Line: 583]: Loop Invariant [2021-08-26 02:48:14,582 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,582 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,583 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,583 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && 2 == len) && head == 0) && \result == 0) && !(\result == #memory_$Pointer$[\result][\result + 4]) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 599]: Loop Invariant [2021-08-26 02:48:14,583 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,583 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,584 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,584 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,584 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,584 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,584 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,584 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,584 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,584 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,585 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,585 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,585 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,586 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,586 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,586 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,586 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,586 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,586 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,586 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,587 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,587 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,587 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,587 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && \valid[\result] == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && s == 0) && \result <= expected) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && i == 1) && index <= 0) && expected <= unknown-#memory_int-unknown[head][head]) && unknown-#memory_int-unknown[head][head] <= expected) && expected <= \result) || (((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && \valid[\result] == 1) && unknown-#memory_int-unknown[head][head] == 2) && 2 == expected) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && unknown-#memory_int-unknown[s][s] <= i + len) && 2 == len) && #memory_$Pointer$[s][4] == head) && i == 0) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[s][s]) && 2 == \result) && index <= 0) && index == 0) - InvariantResult [Line: 585]: Loop Invariant [2021-08-26 02:48:14,588 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,588 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((2 == len && 2 == len) || ((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && 2 == len) && head == 0)) || (((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && 1 <= len) && 2 == len) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: ((((\valid[temp] == 1 && temp == 0) && 2 == len) && \valid[\result] == 1) && 2 == len) || ((((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && !(\result == head)) && 1 <= len) && \result == 0) && 2 == len) && !(head == temp)) - InvariantResult [Line: 600]: Loop Invariant [2021-08-26 02:48:14,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,593 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,593 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && \valid[\result] == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && s == 0) && index <= 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && i == 1) && index <= 0) && expected <= unknown-#memory_int-unknown[head][head]) && unknown-#memory_int-unknown[head][head] <= expected) || (((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && \valid[\result] == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] <= len + 1) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && !(head == #memory_$Pointer$[head][head + 4])) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]]) && i == 1) && unknown-#memory_int-unknown[#memory_$Pointer$[head][head + 4]][#memory_$Pointer$[head][head + 4]] == expected) && index <= 0) && 1 <= index) && index <= 1) && head == 0)) || ((((((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && unknown-#memory_int-unknown[head][head] == expected) && len + 1 <= data) && \valid[head] == 1) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && \valid[\result] == 1) && unknown-#memory_int-unknown[head][head] == 2) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && unknown-#memory_int-unknown[s][s] <= i + len) && 2 == len) && #memory_$Pointer$[s][4] == head) && i == 0) && data <= len + 1) && i + len <= unknown-#memory_int-unknown[s][s]) && index <= 0) && index == 0) - InvariantResult [Line: 607]: Loop Invariant [2021-08-26 02:48:14,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,599 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,600 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((((((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && i + len <= data) && data <= i + len) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && s == 0) && s == head) && 2 == len) && s == head) && i == 0) && head == 0) && index <= 0) && \result == 0) && !(\result == #memory_$Pointer$[\result][\result + 4])) && !(head == #memory_$Pointer$[head][4])) || ((((((((((((((((((\valid[temp] == 1 && !(head == #memory_$Pointer$[head][4])) && i <= 1) && temp == 0) && 1 <= index) && \valid[head] == 1) && len == unknown-#memory_int-unknown[s][s]) && \valid[\result] == 1) && 1 <= i) && index <= 1) && s == head) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && s == head) && head == 0) && !(\result == #memory_$Pointer$[\result][4])) && len + 1 == data) && \result == 0) && head == 0)) || ((((((((((((((((((\valid[temp] == 1 && !(head == #memory_$Pointer$[head][4])) && head == #memory_$Pointer$[s][4]) && i <= 1) && temp == 0) && len + 1 <= data) && \valid[head] == 1) && len == unknown-#memory_int-unknown[s][s]) && \valid[\result] == 1) && 1 <= i) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && head == 0) && !(\result == #memory_$Pointer$[\result][4])) && index <= 0) && \result == 0) - InvariantResult [Line: 618]: Loop Invariant [2021-08-26 02:48:14,613 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,613 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-08-26 02:48:14,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-08-26 02:48:14,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((((\valid[temp] == 1 && temp == 0) && \valid[head] == 1) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && i == 0) && head == 0) && \result == 0) && !(\result == #memory_$Pointer$[\result][\result + 4])) || ((((((((((((((\valid[temp] == 1 && head == #memory_$Pointer$[s][4]) && temp == 0) && 2 <= i) && len + 1 <= data) && \valid[head] == 1) && len == unknown-#memory_int-unknown[s][s]) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]]) && \valid[\result] == 1) && s == 0) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && #memory_$Pointer$[s][4] == head) && data <= len + 1) && index <= 0)) || (((((((((((((((((\valid[temp] == 1 && data == len) && i <= 1) && temp == 0) && \valid[head] == 1) && len == unknown-#memory_int-unknown[s][s]) && \valid[\result] == 1) && !(head == #memory_$Pointer$[head][head + 4])) && 1 <= i) && s == 0) && s == head) && !(#memory_$Pointer$[s][s + 4] == s)) && 2 == len) && s == head) && head == 0) && index <= 0) && \result == 0) && !(\result == #memory_$Pointer$[\result][\result + 4])) RESULT: Ultimate proved your program to be correct! [2021-08-26 02:48:14,651 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...