./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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/dll2c_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 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:51:19,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:51:19,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:51:19,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:51:19,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:51:19,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:51:19,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:51:19,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:51:19,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:51:19,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:51:19,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:51:19,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:51:19,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:51:19,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:51:19,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:51:19,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:51:19,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:51:19,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:51:19,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:51:19,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:51:19,745 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:51:19,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:51:19,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:51:19,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:51:19,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:51:19,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:51:19,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:51:19,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:51:19,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:51:19,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:51:19,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:51:19,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:51:19,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:51:19,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:51:19,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:51:19,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:51:19,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:51:19,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:51:19,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:51:19,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:51:19,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:51:19,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:51:19,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 14:51:19,770 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:51:19,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:51:19,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:51:19,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:51:19,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:51:19,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:51:19,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:51:19,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:51:19,772 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:51:19,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:51:19,773 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:51:19,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 14:51:19,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:51:19,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:51:19,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:51:19,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:51:19,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:51:19,774 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:51:19,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:51:19,774 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:51:19,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:51:19,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:51:19,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:51:19,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:51:19,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:51:19,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:51:19,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:51:19,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:51:19,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 14:51:19,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 14:51:19,776 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:51:19,776 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:51:19,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:51:19,777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2022-07-22 14:51:19,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:51:19,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:51:19,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:51:19,972 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:51:19,973 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:51:19,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-07-22 14:51:20,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba33ecf9/77ea85427abf43f984dbaf93fa9b64c2/FLAGc778c76b1 [2022-07-22 14:51:20,434 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:51:20,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-07-22 14:51:20,444 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba33ecf9/77ea85427abf43f984dbaf93fa9b64c2/FLAGc778c76b1 [2022-07-22 14:51:20,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba33ecf9/77ea85427abf43f984dbaf93fa9b64c2 [2022-07-22 14:51:20,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:51:20,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:51:20,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:51:20,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:51:20,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:51:20,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386e4c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20, skipping insertion in model container [2022-07-22 14:51:20,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:51:20,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:51:20,760 WARN L230 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/dll2c_update_all.i[24538,24551] [2022-07-22 14:51:20,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:51:20,772 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:51:20,806 WARN L230 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/dll2c_update_all.i[24538,24551] [2022-07-22 14:51:20,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:51:20,829 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:51:20,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20 WrapperNode [2022-07-22 14:51:20,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:51:20,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:51:20,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:51:20,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:51:20,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,876 INFO L137 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 131 [2022-07-22 14:51:20,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:51:20,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:51:20,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:51:20,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:51:20,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:51:20,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:51:20,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:51:20,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:51:20,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (1/1) ... [2022-07-22 14:51:20,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:51:20,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:51:20,953 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) [2022-07-22 14:51:20,973 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 [2022-07-22 14:51:20,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 14:51:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 14:51:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-07-22 14:51:20,988 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-07-22 14:51:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 14:51:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:51:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 14:51:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 14:51:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:51:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 14:51:20,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:51:20,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:51:21,073 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:51:21,074 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:51:21,236 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:51:21,240 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:51:21,241 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-22 14:51:21,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:51:21 BoogieIcfgContainer [2022-07-22 14:51:21,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:51:21,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:51:21,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:51:21,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:51:21,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:51:20" (1/3) ... [2022-07-22 14:51:21,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e96d3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:51:21, skipping insertion in model container [2022-07-22 14:51:21,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:20" (2/3) ... [2022-07-22 14:51:21,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e96d3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:51:21, skipping insertion in model container [2022-07-22 14:51:21,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:51:21" (3/3) ... [2022-07-22 14:51:21,249 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_update_all.i [2022-07-22 14:51:21,262 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:51:21,262 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:51:21,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:51:21,329 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5af139be, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7e74041 [2022-07-22 14:51:21,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:51:21,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-22 14:51:21,367 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:21,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:21,368 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:21,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:21,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1387430191, now seen corresponding path program 1 times [2022-07-22 14:51:21,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:51:21,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243372703] [2022-07-22 14:51:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:21,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:51:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:21,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 14:51:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:51:21,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:51:21,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243372703] [2022-07-22 14:51:21,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243372703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:51:21,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:51:21,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 14:51:21,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725943451] [2022-07-22 14:51:21,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:51:21,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 14:51:21,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:51:21,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 14:51:21,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 14:51:21,656 INFO L87 Difference]: Start difference. First operand has 39 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:51:21,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:21,706 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2022-07-22 14:51:21,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 14:51:21,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-07-22 14:51:21,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:21,712 INFO L225 Difference]: With dead ends: 63 [2022-07-22 14:51:21,713 INFO L226 Difference]: Without dead ends: 30 [2022-07-22 14:51:21,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 14:51:21,717 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:21,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:21,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-07-22 14:51:21,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-07-22 14:51:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-07-22 14:51:21,757 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 20 [2022-07-22 14:51:21,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:21,759 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-07-22 14:51:21,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:51:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-07-22 14:51:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-22 14:51:21,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:21,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:21,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 14:51:21,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:21,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:21,761 INFO L85 PathProgramCache]: Analyzing trace with hash 498100996, now seen corresponding path program 1 times [2022-07-22 14:51:21,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:51:21,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392626220] [2022-07-22 14:51:21,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:21,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:51:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 14:51:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:51:21,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:51:21,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392626220] [2022-07-22 14:51:21,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392626220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:51:21,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:51:21,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 14:51:21,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581607740] [2022-07-22 14:51:21,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:51:21,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 14:51:21,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:51:21,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 14:51:21,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:51:21,886 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:51:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:21,916 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2022-07-22 14:51:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 14:51:21,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-07-22 14:51:21,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:21,918 INFO L225 Difference]: With dead ends: 51 [2022-07-22 14:51:21,918 INFO L226 Difference]: Without dead ends: 35 [2022-07-22 14:51:21,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:51:21,919 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:21,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 86 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:21,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-07-22 14:51:21,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2022-07-22 14:51:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:21,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2022-07-22 14:51:21,924 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 20 [2022-07-22 14:51:21,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:21,925 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2022-07-22 14:51:21,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:51:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2022-07-22 14:51:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 14:51:21,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:21,926 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:21,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 14:51:21,926 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:21,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:21,927 INFO L85 PathProgramCache]: Analyzing trace with hash 698671896, now seen corresponding path program 1 times [2022-07-22 14:51:21,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:51:21,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133342209] [2022-07-22 14:51:21,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:21,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:51:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 14:51:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 14:51:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:22,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:51:22,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133342209] [2022-07-22 14:51:22,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133342209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:51:22,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:51:22,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 14:51:22,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095118579] [2022-07-22 14:51:22,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:51:22,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 14:51:22,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:51:22,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 14:51:22,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 14:51:22,020 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:22,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:22,056 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2022-07-22 14:51:22,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 14:51:22,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2022-07-22 14:51:22,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:22,057 INFO L225 Difference]: With dead ends: 53 [2022-07-22 14:51:22,058 INFO L226 Difference]: Without dead ends: 44 [2022-07-22 14:51:22,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 14:51:22,059 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 45 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:22,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 74 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:22,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-22 14:51:22,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2022-07-22 14:51:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-07-22 14:51:22,064 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 30 [2022-07-22 14:51:22,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:22,064 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-07-22 14:51:22,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:22,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-07-22 14:51:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-22 14:51:22,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:22,066 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:22,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 14:51:22,066 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:22,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:22,066 INFO L85 PathProgramCache]: Analyzing trace with hash 143562896, now seen corresponding path program 1 times [2022-07-22 14:51:22,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:51:22,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577007891] [2022-07-22 14:51:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:22,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:51:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 14:51:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 14:51:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:22,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:51:22,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577007891] [2022-07-22 14:51:22,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577007891] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 14:51:22,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463221806] [2022-07-22 14:51:22,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:22,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 14:51:22,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:51:22,167 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) [2022-07-22 14:51:22,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 14:51:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:22,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 14:51:22,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:22,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:22,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463221806] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:22,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 14:51:22,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-07-22 14:51:22,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42987693] [2022-07-22 14:51:22,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:22,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 14:51:22,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:51:22,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 14:51:22,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-07-22 14:51:22,455 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 14:51:22,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:22,503 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2022-07-22 14:51:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 14:51:22,504 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-07-22 14:51:22,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:22,504 INFO L225 Difference]: With dead ends: 55 [2022-07-22 14:51:22,505 INFO L226 Difference]: Without dead ends: 46 [2022-07-22 14:51:22,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-07-22 14:51:22,506 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 93 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:22,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 136 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:22,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-07-22 14:51:22,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 37. [2022-07-22 14:51:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:22,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2022-07-22 14:51:22,511 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 35 [2022-07-22 14:51:22,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:22,512 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-07-22 14:51:22,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 10 states have internal predecessors, (50), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 14:51:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-07-22 14:51:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-22 14:51:22,513 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:22,513 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:22,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:22,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 14:51:22,724 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:22,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:22,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1120694760, now seen corresponding path program 2 times [2022-07-22 14:51:22,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:51:22,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629184534] [2022-07-22 14:51:22,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:22,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:51:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 14:51:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 14:51:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:22,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:51:22,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629184534] [2022-07-22 14:51:22,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629184534] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 14:51:22,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94002460] [2022-07-22 14:51:22,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 14:51:22,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 14:51:22,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:51:22,794 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) [2022-07-22 14:51:22,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 14:51:22,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 14:51:22,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 14:51:22,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 14:51:22,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:22,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:22,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94002460] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:22,987 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 14:51:22,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2022-07-22 14:51:22,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887555425] [2022-07-22 14:51:22,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:22,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 14:51:22,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 14:51:22,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 14:51:22,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:51:22,988 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:23,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:23,031 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2022-07-22 14:51:23,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 14:51:23,031 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2022-07-22 14:51:23,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:23,032 INFO L225 Difference]: With dead ends: 60 [2022-07-22 14:51:23,032 INFO L226 Difference]: Without dead ends: 46 [2022-07-22 14:51:23,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:51:23,033 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 32 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:23,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 156 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:23,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-07-22 14:51:23,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 38. [2022-07-22 14:51:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:23,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2022-07-22 14:51:23,037 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 40 [2022-07-22 14:51:23,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:23,037 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-07-22 14:51:23,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-07-22 14:51:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-22 14:51:23,038 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:23,038 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:23,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:23,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 14:51:23,254 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:23,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:23,254 INFO L85 PathProgramCache]: Analyzing trace with hash 2115896417, now seen corresponding path program 1 times [2022-07-22 14:51:23,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 14:51:23,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035682684] [2022-07-22 14:51:23,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:23,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 14:51:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:23,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 14:51:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-22 14:51:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:23,797 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-22 14:51:23,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 14:51:23,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035682684] [2022-07-22 14:51:23,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035682684] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 14:51:23,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003482503] [2022-07-22 14:51:23,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:23,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 14:51:23,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:51:23,799 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) [2022-07-22 14:51:23,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 14:51:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:23,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 100 conjunts are in the unsatisfiable core [2022-07-22 14:51:23,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:23,966 INFO L390 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 [2022-07-22 14:51:24,054 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 14:51:24,054 INFO L390 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 [2022-07-22 14:51:24,083 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-07-22 14:51:24,128 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-22 14:51:24,130 INFO L390 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 26 treesize of output 27 [2022-07-22 14:51:24,213 INFO L356 Elim1Store]: treesize reduction 34, result has 24.4 percent of original size [2022-07-22 14:51:24,214 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-07-22 14:51:24,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:24,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 14:51:24,432 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_#memory_$Pointer$.base_44| input size 40 context size 40 output size 40 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:364) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:427) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:611) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:529) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:333) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:187) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:298) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:284) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:409) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:300) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:260) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-22 14:51:24,436 INFO L158 Benchmark]: Toolchain (without parser) took 3975.96ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 123.4MB in the beginning and 82.8MB in the end (delta: 40.6MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2022-07-22 14:51:24,436 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:51:24,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.43ms. Allocated memory is still 157.3MB. Free memory was 123.4MB in the beginning and 124.4MB in the end (delta: -927.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 14:51:24,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.51ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 121.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:51:24,437 INFO L158 Benchmark]: Boogie Preprocessor took 34.96ms. Allocated memory is still 157.3MB. Free memory was 121.9MB in the beginning and 120.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:51:24,437 INFO L158 Benchmark]: RCFGBuilder took 330.21ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 105.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 14:51:24,438 INFO L158 Benchmark]: TraceAbstraction took 3192.08ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 105.1MB in the beginning and 82.8MB in the end (delta: 22.3MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2022-07-22 14:51:24,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.43ms. Allocated memory is still 157.3MB. Free memory was 123.4MB in the beginning and 124.4MB in the end (delta: -927.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.51ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 121.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.96ms. Allocated memory is still 157.3MB. Free memory was 121.9MB in the beginning and 120.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.21ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 105.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3192.08ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 105.1MB in the beginning and 82.8MB in the end (delta: 22.3MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_#memory_$Pointer$.base_44| input size 40 context size 40 output size 40 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_#memory_$Pointer$.base_44| input size 40 context size 40 output size 40: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:364) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-22 14:51:24,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/dll2c_update_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 14:51:26,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 14:51:26,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 14:51:26,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 14:51:26,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 14:51:26,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 14:51:26,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 14:51:26,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 14:51:26,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 14:51:26,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 14:51:26,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 14:51:26,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 14:51:26,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 14:51:26,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 14:51:26,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 14:51:26,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 14:51:26,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 14:51:26,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 14:51:26,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 14:51:26,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 14:51:26,277 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 14:51:26,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 14:51:26,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 14:51:26,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 14:51:26,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 14:51:26,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 14:51:26,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 14:51:26,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 14:51:26,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 14:51:26,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 14:51:26,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 14:51:26,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 14:51:26,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 14:51:26,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 14:51:26,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 14:51:26,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 14:51:26,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 14:51:26,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 14:51:26,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 14:51:26,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 14:51:26,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 14:51:26,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 14:51:26,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 14:51:26,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 14:51:26,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 14:51:26,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 14:51:26,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 14:51:26,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 14:51:26,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 14:51:26,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 14:51:26,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 14:51:26,330 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 14:51:26,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 14:51:26,331 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 14:51:26,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 14:51:26,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 14:51:26,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 14:51:26,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 14:51:26,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 14:51:26,332 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 14:51:26,332 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 14:51:26,332 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 14:51:26,332 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 14:51:26,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 14:51:26,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 14:51:26,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 14:51:26,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 14:51:26,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 14:51:26,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 14:51:26,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:51:26,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 14:51:26,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 14:51:26,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 14:51:26,334 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 14:51:26,334 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 14:51:26,334 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 14:51:26,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 14:51:26,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 14:51:26,335 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 14:51:26,335 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2022-07-22 14:51:26,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 14:51:26,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 14:51:26,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 14:51:26,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 14:51:26,651 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 14:51:26,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-07-22 14:51:26,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a6cfcd33/af65fff948c443d49f6c27f6cbff9133/FLAG149b143fa [2022-07-22 14:51:27,176 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 14:51:27,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_update_all.i [2022-07-22 14:51:27,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a6cfcd33/af65fff948c443d49f6c27f6cbff9133/FLAG149b143fa [2022-07-22 14:51:27,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a6cfcd33/af65fff948c443d49f6c27f6cbff9133 [2022-07-22 14:51:27,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 14:51:27,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 14:51:27,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 14:51:27,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 14:51:27,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 14:51:27,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cbca44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27, skipping insertion in model container [2022-07-22 14:51:27,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 14:51:27,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 14:51:27,765 WARN L230 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/dll2c_update_all.i[24538,24551] [2022-07-22 14:51:27,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:51:27,781 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 14:51:27,831 WARN L230 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/dll2c_update_all.i[24538,24551] [2022-07-22 14:51:27,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 14:51:27,859 INFO L208 MainTranslator]: Completed translation [2022-07-22 14:51:27,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27 WrapperNode [2022-07-22 14:51:27,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 14:51:27,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 14:51:27,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 14:51:27,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 14:51:27,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,916 INFO L137 Inliner]: procedures = 129, calls = 29, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 131 [2022-07-22 14:51:27,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 14:51:27,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 14:51:27,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 14:51:27,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 14:51:27,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 14:51:27,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 14:51:27,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 14:51:27,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 14:51:27,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (1/1) ... [2022-07-22 14:51:27,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 14:51:27,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 14:51:28,015 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) [2022-07-22 14:51:28,080 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 [2022-07-22 14:51:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 14:51:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-07-22 14:51:28,091 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-07-22 14:51:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 14:51:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 14:51:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 14:51:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 14:51:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 14:51:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 14:51:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 14:51:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 14:51:28,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 14:51:28,170 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 14:51:28,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 14:51:28,385 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 14:51:28,390 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 14:51:28,390 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-22 14:51:28,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:51:28 BoogieIcfgContainer [2022-07-22 14:51:28,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 14:51:28,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 14:51:28,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 14:51:28,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 14:51:28,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:51:27" (1/3) ... [2022-07-22 14:51:28,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3e58da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:51:28, skipping insertion in model container [2022-07-22 14:51:28,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:51:27" (2/3) ... [2022-07-22 14:51:28,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3e58da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:51:28, skipping insertion in model container [2022-07-22 14:51:28,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:51:28" (3/3) ... [2022-07-22 14:51:28,397 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_update_all.i [2022-07-22 14:51:28,411 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 14:51:28,411 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 14:51:28,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 14:51:28,448 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2e5b77e8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@53283ff6 [2022-07-22 14:51:28,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 14:51:28,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-22 14:51:28,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:28,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:28,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:28,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:28,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1387430191, now seen corresponding path program 1 times [2022-07-22 14:51:28,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:28,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321964203] [2022-07-22 14:51:28,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:28,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:28,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:28,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:28,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 14:51:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:28,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 14:51:28,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:51:28,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:51:28,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:28,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321964203] [2022-07-22 14:51:28,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321964203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:51:28,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:51:28,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 14:51:28,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17143736] [2022-07-22 14:51:28,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:51:28,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 14:51:28,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:28,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 14:51:28,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:51:28,702 INFO L87 Difference]: Start difference. First operand has 39 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:51:28,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:28,725 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2022-07-22 14:51:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 14:51:28,727 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-07-22 14:51:28,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:28,732 INFO L225 Difference]: With dead ends: 63 [2022-07-22 14:51:28,733 INFO L226 Difference]: Without dead ends: 30 [2022-07-22 14:51:28,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 14:51:28,742 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:28,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:28,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-07-22 14:51:28,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-07-22 14:51:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-07-22 14:51:28,772 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 20 [2022-07-22 14:51:28,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:28,773 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-07-22 14:51:28,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:51:28,774 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-07-22 14:51:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-22 14:51:28,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:28,776 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:28,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:28,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:28,984 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:28,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:28,984 INFO L85 PathProgramCache]: Analyzing trace with hash 498100996, now seen corresponding path program 1 times [2022-07-22 14:51:28,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:28,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745155372] [2022-07-22 14:51:28,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:28,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:28,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:28,989 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:28,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 14:51:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:29,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 14:51:29,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:51:29,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:51:29,091 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:29,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745155372] [2022-07-22 14:51:29,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745155372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:51:29,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:51:29,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 14:51:29,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839735552] [2022-07-22 14:51:29,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:51:29,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 14:51:29,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:29,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 14:51:29,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 14:51:29,094 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:51:29,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:29,105 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2022-07-22 14:51:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 14:51:29,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-07-22 14:51:29,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:29,106 INFO L225 Difference]: With dead ends: 51 [2022-07-22 14:51:29,106 INFO L226 Difference]: Without dead ends: 35 [2022-07-22 14:51:29,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 14:51:29,108 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 4 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:29,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 65 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:29,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-07-22 14:51:29,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2022-07-22 14:51:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2022-07-22 14:51:29,112 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 20 [2022-07-22 14:51:29,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:29,113 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2022-07-22 14:51:29,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 14:51:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2022-07-22 14:51:29,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 14:51:29,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:29,114 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:29,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-22 14:51:29,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:29,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:29,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:29,325 INFO L85 PathProgramCache]: Analyzing trace with hash 698671896, now seen corresponding path program 1 times [2022-07-22 14:51:29,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:29,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313148580] [2022-07-22 14:51:29,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:29,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:29,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:29,334 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:29,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 14:51:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:29,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 14:51:29,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:29,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:51:29,521 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:29,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313148580] [2022-07-22 14:51:29,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313148580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:51:29,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:51:29,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 14:51:29,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151393115] [2022-07-22 14:51:29,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:51:29,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 14:51:29,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:29,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 14:51:29,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:51:29,527 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:29,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:29,556 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2022-07-22 14:51:29,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 14:51:29,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2022-07-22 14:51:29,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:29,558 INFO L225 Difference]: With dead ends: 53 [2022-07-22 14:51:29,558 INFO L226 Difference]: Without dead ends: 44 [2022-07-22 14:51:29,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:51:29,561 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 31 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:29,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 64 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:29,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-22 14:51:29,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2022-07-22 14:51:29,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-07-22 14:51:29,567 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 30 [2022-07-22 14:51:29,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:29,567 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-07-22 14:51:29,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:29,567 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-07-22 14:51:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-22 14:51:29,568 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:29,568 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:29,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:29,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:29,777 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:29,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:29,778 INFO L85 PathProgramCache]: Analyzing trace with hash 143562896, now seen corresponding path program 1 times [2022-07-22 14:51:29,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:29,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410757184] [2022-07-22 14:51:29,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:29,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:29,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:29,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:29,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 14:51:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:29,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 14:51:29,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:29,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:30,000 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:30,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410757184] [2022-07-22 14:51:30,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1410757184] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:30,001 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 14:51:30,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-22 14:51:30,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53175602] [2022-07-22 14:51:30,001 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:30,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 14:51:30,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:30,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 14:51:30,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:51:30,002 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 14:51:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:30,054 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2022-07-22 14:51:30,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 14:51:30,055 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2022-07-22 14:51:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:30,055 INFO L225 Difference]: With dead ends: 66 [2022-07-22 14:51:30,055 INFO L226 Difference]: Without dead ends: 57 [2022-07-22 14:51:30,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-22 14:51:30,056 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 92 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:30,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 119 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:30,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-07-22 14:51:30,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 37. [2022-07-22 14:51:30,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2022-07-22 14:51:30,062 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 35 [2022-07-22 14:51:30,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:30,062 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-07-22 14:51:30,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 14:51:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-07-22 14:51:30,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-22 14:51:30,063 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:30,063 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:30,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:30,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:30,273 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:30,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:30,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1120694760, now seen corresponding path program 2 times [2022-07-22 14:51:30,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:30,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280880197] [2022-07-22 14:51:30,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 14:51:30,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:30,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:30,277 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:30,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 14:51:30,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 14:51:30,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 14:51:30,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 14:51:30,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:30,463 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:30,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:30,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:30,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280880197] [2022-07-22 14:51:30,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280880197] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:30,503 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 14:51:30,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-22 14:51:30,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189318619] [2022-07-22 14:51:30,504 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:30,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 14:51:30,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:30,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 14:51:30,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:51:30,505 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:30,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:30,616 INFO L93 Difference]: Finished difference Result 76 states and 92 transitions. [2022-07-22 14:51:30,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 14:51:30,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 40 [2022-07-22 14:51:30,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:30,617 INFO L225 Difference]: With dead ends: 76 [2022-07-22 14:51:30,617 INFO L226 Difference]: Without dead ends: 62 [2022-07-22 14:51:30,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-22 14:51:30,618 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 67 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:30,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 193 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 14:51:30,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-07-22 14:51:30,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 38. [2022-07-22 14:51:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-22 14:51:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2022-07-22 14:51:30,623 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 40 [2022-07-22 14:51:30,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:30,623 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-07-22 14:51:30,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-07-22 14:51:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-22 14:51:30,624 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:30,624 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:30,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:30,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:30,825 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:30,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:30,825 INFO L85 PathProgramCache]: Analyzing trace with hash 2115896417, now seen corresponding path program 1 times [2022-07-22 14:51:30,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:30,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953577592] [2022-07-22 14:51:30,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:30,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:30,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:30,827 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:30,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-22 14:51:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:31,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-22 14:51:31,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:31,118 INFO L390 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 [2022-07-22 14:51:31,208 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 14:51:31,209 INFO L390 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 12 treesize of output 12 [2022-07-22 14:51:31,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-07-22 14:51:31,266 INFO L390 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 14 treesize of output 16 [2022-07-22 14:51:31,338 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-07-22 14:51:31,338 INFO L390 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 29 [2022-07-22 14:51:31,513 INFO L390 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 13 treesize of output 9 [2022-07-22 14:51:31,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 14:51:31,533 INFO L356 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-07-22 14:51:31,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 34 [2022-07-22 14:51:31,665 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-07-22 14:51:31,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 14 [2022-07-22 14:51:31,714 INFO L390 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 16 treesize of output 18 [2022-07-22 14:51:31,830 INFO L390 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 15 treesize of output 7 [2022-07-22 14:51:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:51:31,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:32,055 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_349 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_349) |c_ULTIMATE.start_main_~s~0#1.base|) (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32))) |c_ULTIMATE.start_main_~len~0#1|)) is different from false [2022-07-22 14:51:32,081 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_349 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_ULTIMATE.start_main_~len~0#1| (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_349) |c_ULTIMATE.start_main_~s~0#1.base|) (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32))))) is different from false [2022-07-22 14:51:32,087 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_349 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_349) |c_ULTIMATE.start_main_~s~0#1.base|) (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32))) |c_ULTIMATE.start_main_~len~0#1|)) is different from false [2022-07-22 14:51:32,100 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 14:51:32,100 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-07-22 14:51:32,113 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 14:51:32,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 64 treesize of output 67 [2022-07-22 14:51:32,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 25 treesize of output 21 [2022-07-22 14:51:33,190 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32))) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))) is different from false [2022-07-22 14:51:33,910 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32))) (not (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) is different from false [2022-07-22 14:51:33,920 WARN L833 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_338 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_338))) (store .cse0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) is different from false [2022-07-22 14:51:33,928 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 14:51:33,928 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-07-22 14:51:33,949 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 14:51:33,949 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 295 treesize of output 285 [2022-07-22 14:51:33,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 294 treesize of output 278 [2022-07-22 14:51:34,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 4 [2022-07-22 14:51:34,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 50 treesize of output 46 [2022-07-22 14:51:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 9 not checked. [2022-07-22 14:51:34,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:34,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953577592] [2022-07-22 14:51:34,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953577592] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:34,315 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 14:51:34,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 41 [2022-07-22 14:51:34,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172459168] [2022-07-22 14:51:34,315 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:34,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-07-22 14:51:34,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:34,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-07-22 14:51:34,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=1108, Unknown=6, NotChecked=426, Total=1640 [2022-07-22 14:51:34,316 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 41 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 36 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 14:51:37,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:37,619 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2022-07-22 14:51:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-22 14:51:37,620 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 36 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-07-22 14:51:37,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:37,621 INFO L225 Difference]: With dead ends: 75 [2022-07-22 14:51:37,621 INFO L226 Difference]: Without dead ends: 73 [2022-07-22 14:51:37,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 42 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 6 IntricatePredicates, 2 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=168, Invalid=1830, Unknown=6, NotChecked=546, Total=2550 [2022-07-22 14:51:37,623 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 24 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 321 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:37,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 625 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 398 Invalid, 0 Unknown, 321 Unchecked, 0.7s Time] [2022-07-22 14:51:37,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-07-22 14:51:37,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 63. [2022-07-22 14:51:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 14:51:37,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-07-22 14:51:37,630 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 41 [2022-07-22 14:51:37,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:37,630 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2022-07-22 14:51:37,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 36 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 14:51:37,630 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2022-07-22 14:51:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-22 14:51:37,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:37,631 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:37,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:37,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:37,842 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:37,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:37,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1219933381, now seen corresponding path program 1 times [2022-07-22 14:51:37,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:37,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532516651] [2022-07-22 14:51:37,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:37,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:37,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:37,845 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:37,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-22 14:51:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:37,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 14:51:37,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 14:51:37,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 14:51:37,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:37,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532516651] [2022-07-22 14:51:37,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532516651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 14:51:37,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 14:51:37,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 14:51:37,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500509264] [2022-07-22 14:51:37,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 14:51:37,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 14:51:37,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:37,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 14:51:37,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 14:51:37,998 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:38,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:38,027 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2022-07-22 14:51:38,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 14:51:38,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-07-22 14:51:38,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:38,028 INFO L225 Difference]: With dead ends: 80 [2022-07-22 14:51:38,028 INFO L226 Difference]: Without dead ends: 72 [2022-07-22 14:51:38,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-22 14:51:38,029 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 18 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:38,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 91 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:38,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-07-22 14:51:38,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2022-07-22 14:51:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 60 states have (on average 1.2) internal successors, (72), 60 states have internal predecessors, (72), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 14:51:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2022-07-22 14:51:38,036 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 42 [2022-07-22 14:51:38,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:38,036 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2022-07-22 14:51:38,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2022-07-22 14:51:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-07-22 14:51:38,037 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:38,037 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:38,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-22 14:51:38,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:38,247 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:38,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:38,247 INFO L85 PathProgramCache]: Analyzing trace with hash -628992200, now seen corresponding path program 2 times [2022-07-22 14:51:38,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:38,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981690571] [2022-07-22 14:51:38,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 14:51:38,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:38,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:38,249 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:38,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-22 14:51:38,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 14:51:38,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 14:51:38,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 14:51:38,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:38,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-22 14:51:38,513 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:38,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1981690571] [2022-07-22 14:51:38,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1981690571] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:38,513 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 14:51:38,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-22 14:51:38,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189483713] [2022-07-22 14:51:38,514 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:38,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 14:51:38,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:38,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 14:51:38,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-22 14:51:38,516 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:38,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:38,610 INFO L93 Difference]: Finished difference Result 132 states and 154 transitions. [2022-07-22 14:51:38,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 14:51:38,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-07-22 14:51:38,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:38,612 INFO L225 Difference]: With dead ends: 132 [2022-07-22 14:51:38,612 INFO L226 Difference]: Without dead ends: 110 [2022-07-22 14:51:38,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-07-22 14:51:38,613 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 197 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:38,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 179 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 14:51:38,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-07-22 14:51:38,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 67. [2022-07-22 14:51:38,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 62 states have internal predecessors, (71), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 14:51:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2022-07-22 14:51:38,624 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 42 [2022-07-22 14:51:38,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:38,624 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2022-07-22 14:51:38,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:38,624 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2022-07-22 14:51:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-22 14:51:38,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:38,628 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:38,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:38,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:38,838 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:38,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:38,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1999508780, now seen corresponding path program 1 times [2022-07-22 14:51:38,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:38,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443691774] [2022-07-22 14:51:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:38,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:38,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:38,840 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:38,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-22 14:51:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:38,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 14:51:38,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 14:51:39,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 14:51:39,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:39,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443691774] [2022-07-22 14:51:39,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443691774] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:39,036 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 14:51:39,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-22 14:51:39,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618874728] [2022-07-22 14:51:39,037 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:39,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 14:51:39,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:39,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 14:51:39,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-22 14:51:39,037 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:39,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:39,117 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2022-07-22 14:51:39,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 14:51:39,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-07-22 14:51:39,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:39,118 INFO L225 Difference]: With dead ends: 97 [2022-07-22 14:51:39,118 INFO L226 Difference]: Without dead ends: 89 [2022-07-22 14:51:39,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-22 14:51:39,119 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 59 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:39,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 185 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:39,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-22 14:51:39,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 68. [2022-07-22 14:51:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 63 states have internal predecessors, (72), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 14:51:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2022-07-22 14:51:39,139 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 47 [2022-07-22 14:51:39,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:39,139 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2022-07-22 14:51:39,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:39,140 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-07-22 14:51:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-22 14:51:39,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:39,140 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:39,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:39,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:39,343 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:39,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:39,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1222144142, now seen corresponding path program 3 times [2022-07-22 14:51:39,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:39,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426436391] [2022-07-22 14:51:39,344 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-22 14:51:39,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:39,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:39,345 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:39,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-22 14:51:39,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-07-22 14:51:39,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 14:51:39,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-22 14:51:39,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-22 14:51:39,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-07-22 14:51:39,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:39,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426436391] [2022-07-22 14:51:39,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426436391] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:39,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 14:51:39,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2022-07-22 14:51:39,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326802963] [2022-07-22 14:51:39,749 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:39,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-22 14:51:39,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:39,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-22 14:51:39,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-22 14:51:39,750 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 14:51:39,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:39,827 INFO L93 Difference]: Finished difference Result 91 states and 103 transitions. [2022-07-22 14:51:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 14:51:39,828 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2022-07-22 14:51:39,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:39,828 INFO L225 Difference]: With dead ends: 91 [2022-07-22 14:51:39,828 INFO L226 Difference]: Without dead ends: 71 [2022-07-22 14:51:39,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2022-07-22 14:51:39,829 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 92 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:39,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 181 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:39,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-07-22 14:51:39,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2022-07-22 14:51:39,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 64 states have (on average 1.09375) internal successors, (70), 64 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 14:51:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 76 transitions. [2022-07-22 14:51:39,836 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 76 transitions. Word has length 47 [2022-07-22 14:51:39,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:39,836 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 76 transitions. [2022-07-22 14:51:39,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 14:51:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2022-07-22 14:51:39,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-22 14:51:39,837 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:39,837 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:39,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-07-22 14:51:40,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:40,048 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:40,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:40,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1906883930, now seen corresponding path program 1 times [2022-07-22 14:51:40,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:40,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516385459] [2022-07-22 14:51:40,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 14:51:40,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:40,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:40,050 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:40,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-22 14:51:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 14:51:40,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 93 conjunts are in the unsatisfiable core [2022-07-22 14:51:40,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:40,289 INFO L390 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 [2022-07-22 14:51:40,402 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 14:51:40,402 INFO L390 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 12 treesize of output 12 [2022-07-22 14:51:40,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-07-22 14:51:40,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-07-22 14:51:40,475 INFO L390 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 14 treesize of output 16 [2022-07-22 14:51:40,482 INFO L390 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 14 treesize of output 16 [2022-07-22 14:51:40,592 INFO L356 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2022-07-22 14:51:40,593 INFO L390 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 56 [2022-07-22 14:51:40,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2022-07-22 14:51:40,809 INFO L390 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 15 treesize of output 11 [2022-07-22 14:51:40,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 14:51:40,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-07-22 14:51:40,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 14:51:40,835 INFO L356 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-07-22 14:51:40,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 41 [2022-07-22 14:51:41,280 INFO L356 Elim1Store]: treesize reduction 42, result has 10.6 percent of original size [2022-07-22 14:51:41,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 78 [2022-07-22 14:51:41,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 14:51:41,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-22 14:51:41,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2022-07-22 14:51:41,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-22 14:51:41,291 INFO L390 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 47 treesize of output 36 [2022-07-22 14:51:41,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-07-22 14:51:41,677 INFO L390 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 31 treesize of output 23 [2022-07-22 14:51:41,679 INFO L390 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 34 treesize of output 22 [2022-07-22 14:51:41,739 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-22 14:51:41,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 37 treesize of output 21 [2022-07-22 14:51:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 14:51:41,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:42,162 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) |c_ULTIMATE.start_dll_circular_update_at_~data#1|)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_743) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (bvadd |c_ULTIMATE.start_main_~len~0#1| (_ bv1 32)))) is different from false [2022-07-22 14:51:42,472 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (= (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (select (select (store |c_#memory_int| .cse0 (store (select |c_#memory_int| .cse0) (bvadd (_ bv8 32) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (bvadd |c_ULTIMATE.start_main_~len~0#1| |c_ULTIMATE.start_main_~i~0#1|))) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_743) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) (_ bv8 32)))) (bvadd |c_ULTIMATE.start_main_~len~0#1| (_ bv1 32)))) is different from false [2022-07-22 14:51:42,493 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd |c_ULTIMATE.start_main_~len~0#1| (_ bv1 32)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (select (select (store |c_#memory_int| .cse0 (store (select |c_#memory_int| .cse0) (bvadd (_ bv8 32) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (bvadd |c_ULTIMATE.start_main_~len~0#1| (_ bv1 32) |c_ULTIMATE.start_main_~i~0#1|))) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_743) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) (_ bv8 32)))))) is different from false [2022-07-22 14:51:42,508 INFO L390 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 656 treesize of output 588 [2022-07-22 14:51:42,735 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse16 (bvadd |c_ULTIMATE.start_main_~len~0#1| (_ bv1 32)))) (let ((.cse9 (= |c_ULTIMATE.start_dll_circular_update_at_~data#1| .cse16))) (and (forall ((v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_741)))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (let ((.cse0 (select (select (store .cse2 .cse1 v_ArrVal_743) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (or (= |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| .cse0) (= .cse1 .cse0)))))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (let ((.cse4 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse5 v_ArrVal_736)))) (let ((.cse3 (bvadd (_ bv8 32) (select (select (store .cse4 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse5 v_ArrVal_741)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))) (or (= .cse3 (bvadd (_ bv8 32) (select (select .cse4 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (= .cse5 .cse3)))))) (forall ((v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (or (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (= .cse6 (bvadd (_ bv8 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse6 v_ArrVal_736)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse6 v_ArrVal_741)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))))) (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_741)))) (let ((.cse7 (select (select .cse8 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (= .cse7 (select (select (store .cse8 .cse7 v_ArrVal_743) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))))) (or (and .cse9 (forall ((v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (select (select (let ((.cse10 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_741)))) (store .cse10 (select (select .cse10 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_743)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse13 (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (let ((.cse14 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse13 v_ArrVal_741)))) (let ((.cse12 (select (select .cse14 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (or (not (let ((.cse11 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse13 v_ArrVal_736)))) (= (bvadd (_ bv8 32) (select (select (store .cse11 .cse12 v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (_ bv8 32) (select (select .cse11 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))))) (not (= .cse12 (select (select (store .cse14 .cse12 v_ArrVal_743) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))))))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse15 (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (= .cse15 (bvadd (_ bv8 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse15 v_ArrVal_736)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse15 v_ArrVal_741)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))))) (= (bvadd |c_ULTIMATE.start_main_~len~0#1| (_ bv1 32) |c_ULTIMATE.start_main_~i~0#1|) .cse16)) (or .cse9 (forall ((v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse18 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_741)))) (let ((.cse17 (select (select .cse18 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (= .cse17 (select (select (store .cse18 .cse17 v_ArrVal_743) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse20 (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (let ((.cse19 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse20 v_ArrVal_736)))) (= (bvadd (_ bv8 32) (select (select (store .cse19 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse20 v_ArrVal_741)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (_ bv8 32) (select (select .cse19 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))))) (forall ((v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (select (select (let ((.cse21 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_741)))) (store .cse21 (select (select .cse21 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_743)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))))) (or (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse23 (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_update_at_~head#1.offset|))) (let ((.cse22 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse23 v_ArrVal_736)))) (= (bvadd (_ bv8 32) (select (select (store .cse22 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_update_at_~head#1.base|) .cse23 v_ArrVal_741)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (_ bv8 32) (select (select .cse22 |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|)))))) .cse9)))) is different from false [2022-07-22 14:51:43,118 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (let ((.cse11 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|))) (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base| (store .cse11 (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)) v_ArrVal_741)) (select .cse11 |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_743)) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_ULTIMATE.start_main_~s~0#1.base|))) (.cse5 (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse10 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base| (store .cse10 (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)) v_ArrVal_736)) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) (select .cse10 |c_ULTIMATE.start_main_~s~0#1.offset|))))) (.cse1 (= (_ bv1 32) |c_ULTIMATE.start_main_~i~0#1|))) (and (or (and (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)) v_ArrVal_736)) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) |c_ULTIMATE.start_main_~s~0#1.offset|)) .cse0 .cse1 (or (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse2 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base| (store .cse2 (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)) v_ArrVal_736)) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) (select .cse2 |c_ULTIMATE.start_main_~s~0#1.offset|))))) (forall ((v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse3 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse4 (select .cse3 |c_ULTIMATE.start_main_~s~0#1.offset|))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base| (store .cse3 (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)) v_ArrVal_741)) .cse4 v_ArrVal_743) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) .cse4))))))) (= (_ bv0 32) |c_ULTIMATE.start_main_~i~0#1|)) (or .cse0 .cse5) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse6 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base| (store .cse7 (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)) v_ArrVal_736)) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|))) (or (= .cse6 |c_ULTIMATE.start_main_~s~0#1.offset|) (= .cse6 (select .cse7 |c_ULTIMATE.start_main_~s~0#1.offset|)))))) (or .cse5 .cse1) (forall ((v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse8 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse9 (select .cse8 |c_ULTIMATE.start_main_~s~0#1.offset|))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base| (store .cse8 (bvadd |c_ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)) v_ArrVal_741)) .cse9 v_ArrVal_743) |c_ULTIMATE.start_main_~s~0#1.base|) |c_ULTIMATE.start_main_~s~0#1.offset|) .cse9)))))) is different from false [2022-07-22 14:51:43,137 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_#res#1.base|))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_#res#1.base| (store .cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_create_#res#1.offset|) v_ArrVal_736)) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_#res#1.base|) |c_ULTIMATE.start_dll_circular_create_#res#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_dll_circular_create_#res#1.base|) |c_ULTIMATE.start_dll_circular_create_#res#1.offset|))) (or (= .cse0 |c_ULTIMATE.start_dll_circular_create_#res#1.offset|) (= (select .cse1 |c_ULTIMATE.start_dll_circular_create_#res#1.offset|) .cse0))))) (forall ((v_ArrVal_741 (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_#res#1.base|))) (let ((.cse2 (select .cse3 |c_ULTIMATE.start_dll_circular_create_#res#1.offset|))) (= .cse2 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_#res#1.base| (store .cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_create_#res#1.offset|) v_ArrVal_741)) .cse2 v_ArrVal_743) |c_ULTIMATE.start_dll_circular_create_#res#1.base|) |c_ULTIMATE.start_dll_circular_create_#res#1.offset|))))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_#res#1.base|))) (= (select .cse4 |c_ULTIMATE.start_dll_circular_create_#res#1.offset|) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_#res#1.base| (store .cse4 (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_create_#res#1.offset|) v_ArrVal_736)) (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_#res#1.base|) |c_ULTIMATE.start_dll_circular_create_#res#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_dll_circular_create_#res#1.base|) |c_ULTIMATE.start_dll_circular_create_#res#1.offset|))))) is different from false [2022-07-22 14:51:43,175 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_726 (_ BitVec 32)) (v_ArrVal_741 (_ BitVec 32)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store (store .cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_726) (bvadd |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (_ bv8 32)) v_ArrVal_741)) .cse2 v_ArrVal_743) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) .cse2))))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_730 (_ BitVec 32)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))) (let ((.cse3 (select .cse4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (= (select .cse3 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (select (select (store (store .cse4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store (store .cse3 (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_730) (bvadd |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (_ bv8 32)) v_ArrVal_736)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_730 (_ BitVec 32)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))) (let ((.cse5 (select .cse7 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (let ((.cse6 (select (select (store (store .cse7 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store (store .cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_730) (bvadd |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (_ bv8 32)) v_ArrVal_736)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (or (= (select .cse5 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) .cse6) (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| .cse6))))))) is different from false [2022-07-22 14:51:43,299 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_726 (_ BitVec 32)) (v_ArrVal_741 (_ BitVec 32)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (let ((.cse2 (select .cse1 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (= (select (select (store (store .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (store .cse1 (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_726) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_741)) .cse2 v_ArrVal_743) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) .cse2))))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_730 (_ BitVec 32)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (let ((.cse4 (select .cse5 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (let ((.cse3 (select (select (store (store .cse5 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (store .cse4 (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_730) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_736)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (= .cse3 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= .cse3 (select .cse4 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_730 (_ BitVec 32)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (let ((.cse7 (select .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (= (select (select (store (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (store .cse7 (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_730) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_736)) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (select .cse7 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))))) is different from false [2022-07-22 14:51:43,466 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_730 (_ BitVec 32)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_722 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_723 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (let ((.cse4 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_723))) (store .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse4 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))) (let ((.cse0 (select .cse2 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (let ((.cse1 (select (select (store (store .cse2 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (store .cse0 (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_730) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_736)) (select (select (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_722))) (store .cse3 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse3 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (or (= (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) .cse1) (= .cse1 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))))) (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_730 (_ BitVec 32)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_722 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_723 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (let ((.cse8 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_723))) (store .cse8 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse8 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))) (let ((.cse5 (select .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (= (select .cse5 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (select (select (store (store .cse6 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (store .cse5 (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_730) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_736)) (select (select (let ((.cse7 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_722))) (store .cse7 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse7 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_745) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))) (forall ((v_ArrVal_726 (_ BitVec 32)) (v_ArrVal_741 (_ BitVec 32)) (|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32)) (v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_722 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse10 (let ((.cse12 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_722))) (store .cse12 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse12 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~last~0#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (let ((.cse11 (select .cse10 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (let ((.cse9 (select .cse11 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (= .cse9 (select (select (store (store .cse10 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (store .cse11 (bvadd (_ bv4 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_726) (bvadd (_ bv8 32) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) v_ArrVal_741)) .cse9 v_ArrVal_743) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))))))) is different from false [2022-07-22 14:51:43,489 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 14:51:43,489 INFO L390 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 98 [2022-07-22 14:51:43,501 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-22 14:51:43,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 442 treesize of output 418 [2022-07-22 14:51:43,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 314 treesize of output 290 [2022-07-22 14:51:43,518 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 350 treesize of output 322 [2022-07-22 14:51:43,590 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 116 treesize of output 108 [2022-07-22 14:51:43,614 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 263 treesize of output 249 [2022-07-22 14:51:43,771 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-22 14:51:43,771 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 273 treesize of output 1 [2022-07-22 14:51:43,777 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-22 14:51:43,777 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 1 [2022-07-22 14:51:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 10 not checked. [2022-07-22 14:51:44,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:44,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516385459] [2022-07-22 14:51:44,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516385459] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:44,239 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 14:51:44,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 53 [2022-07-22 14:51:44,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126691468] [2022-07-22 14:51:44,239 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:44,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-07-22 14:51:44,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:44,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-07-22 14:51:44,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1763, Unknown=23, NotChecked=828, Total=2756 [2022-07-22 14:51:44,241 INFO L87 Difference]: Start difference. First operand 69 states and 76 transitions. Second operand has 53 states, 52 states have (on average 1.6538461538461537) internal successors, (86), 47 states have internal predecessors, (86), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 14:51:53,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:53,601 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2022-07-22 14:51:53,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-22 14:51:53,602 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 1.6538461538461537) internal successors, (86), 47 states have internal predecessors, (86), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2022-07-22 14:51:53,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:53,602 INFO L225 Difference]: With dead ends: 79 [2022-07-22 14:51:53,603 INFO L226 Difference]: Without dead ends: 74 [2022-07-22 14:51:53,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 46 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 9 IntricatePredicates, 3 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=253, Invalid=3063, Unknown=26, NotChecked=1080, Total=4422 [2022-07-22 14:51:53,604 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 40 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 655 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:53,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 659 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 523 Invalid, 0 Unknown, 655 Unchecked, 1.0s Time] [2022-07-22 14:51:53,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-07-22 14:51:53,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2022-07-22 14:51:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 67 states have (on average 1.0895522388059702) internal successors, (73), 67 states have internal predecessors, (73), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 14:51:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2022-07-22 14:51:53,614 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 48 [2022-07-22 14:51:53,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:53,615 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2022-07-22 14:51:53,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 1.6538461538461537) internal successors, (86), 47 states have internal predecessors, (86), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-07-22 14:51:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2022-07-22 14:51:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-07-22 14:51:53,616 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:53,617 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:53,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-22 14:51:53,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:53,830 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:53,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:53,831 INFO L85 PathProgramCache]: Analyzing trace with hash -964486420, now seen corresponding path program 2 times [2022-07-22 14:51:53,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:53,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792108817] [2022-07-22 14:51:53,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-22 14:51:53,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:53,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:53,838 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:53,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-22 14:51:54,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-22 14:51:54,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 14:51:54,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-22 14:51:54,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:54,059 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 14:51:54,060 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-22 14:51:54,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:54,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792108817] [2022-07-22 14:51:54,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792108817] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:54,147 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 14:51:54,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-07-22 14:51:54,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116248654] [2022-07-22 14:51:54,147 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:54,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 14:51:54,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:54,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 14:51:54,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-22 14:51:54,148 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:54,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:54,234 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2022-07-22 14:51:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 14:51:54,234 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 49 [2022-07-22 14:51:54,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:54,234 INFO L225 Difference]: With dead ends: 81 [2022-07-22 14:51:54,235 INFO L226 Difference]: Without dead ends: 51 [2022-07-22 14:51:54,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-07-22 14:51:54,235 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 43 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:54,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 222 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 14:51:54,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-07-22 14:51:54,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2022-07-22 14:51:54,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 44 states have internal predecessors, (48), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-22 14:51:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2022-07-22 14:51:54,240 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 49 [2022-07-22 14:51:54,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:54,240 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2022-07-22 14:51:54,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-22 14:51:54,240 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2022-07-22 14:51:54,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 14:51:54,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 14:51:54,241 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 14:51:54,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:54,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:54,451 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 14:51:54,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 14:51:54,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1687625933, now seen corresponding path program 4 times [2022-07-22 14:51:54,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 14:51:54,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016840911] [2022-07-22 14:51:54,452 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-22 14:51:54,452 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 14:51:54,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 14:51:54,453 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 14:51:54,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-22 14:51:54,591 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-22 14:51:54,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-22 14:51:54,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-22 14:51:54,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 14:51:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-22 14:51:54,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 14:51:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-22 14:51:54,669 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 14:51:54,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016840911] [2022-07-22 14:51:54,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016840911] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 14:51:54,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-22 14:51:54,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-07-22 14:51:54,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957983282] [2022-07-22 14:51:54,669 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-22 14:51:54,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 14:51:54,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 14:51:54,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 14:51:54,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:51:54,670 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-22 14:51:54,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 14:51:54,680 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2022-07-22 14:51:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 14:51:54,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2022-07-22 14:51:54,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 14:51:54,680 INFO L225 Difference]: With dead ends: 54 [2022-07-22 14:51:54,680 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 14:51:54,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-22 14:51:54,681 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-22 14:51:54,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 14:51:54,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 14:51:54,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 14:51:54,682 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) [2022-07-22 14:51:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 14:51:54,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2022-07-22 14:51:54,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 14:51:54,682 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 14:51:54,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-22 14:51:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 14:51:54,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 14:51:54,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 14:51:54,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-22 14:51:54,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 14:51:54,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 14:52:02,678 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 101 DAG size of output: 86 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-22 14:52:04,309 INFO L895 garLoopResultBuilder]: At program point L638(lines 626 645) the Hoare annotation is: false [2022-07-22 14:52:04,310 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (and (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_dll_circular_create_~len#1| (_ bv2 32))) [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point L589-1(line 589) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point L631-2(lines 631 634) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L895 garLoopResultBuilder]: At program point L631-3(lines 631 634) the Hoare annotation is: (let ((.cse2 (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|)) (.cse11 (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (bvadd |ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32))))) (let ((.cse4 (= |ULTIMATE.start_dll_circular_update_at_~index#1| (_ bv0 32))) (.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|)) (.cse0 (bvadd .cse11 (_ bv1 32))) (.cse6 (= |ULTIMATE.start_main_~len~0#1| .cse11)) (.cse8 (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32))) (let ((.cse10 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (_ bv0 32)))) (and (= (select (select |#memory_$Pointer$.offset| .cse10) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| .cse10) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) |ULTIMATE.start_main_~s~0#1.base|))))) (.cse3 (= |ULTIMATE.start_main_~s~0#1.offset| (_ bv0 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_main_~len~0#1|)) (.cse7 (= (select .cse2 (_ bv0 32)) (_ bv0 32)))) (or (and (= .cse0 (select (select |#memory_int| (select .cse1 |ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (_ bv8 32) (select .cse2 |ULTIMATE.start_main_~s~0#1.offset|)))) .cse3 .cse4 (= |ULTIMATE.start_main_~i~0#1| (_ bv2 32)) .cse5 .cse6 .cse7) (and .cse8 .cse3 .cse4 (not (= (select .cse1 (_ bv0 32)) |ULTIMATE.start_main_~s~0#1.base|)) (= .cse0 (bvadd |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~len~0#1|)) .cse5 .cse6 .cse7) (and .cse8 (= |ULTIMATE.start_main_~i~0#1| (_ bv0 32)) .cse3 (forall ((v_ArrVal_736 (_ BitVec 32)) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse9 (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base| (store .cse9 (bvadd |ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)) v_ArrVal_736)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) v_ArrVal_745) |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|) (select .cse9 |ULTIMATE.start_main_~s~0#1.offset|)))) .cse5 .cse7)))) [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point L631-4(lines 631 634) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L895 garLoopResultBuilder]: At program point L599(lines 585 600) the Hoare annotation is: (and (= (_ bv0 32) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (_ bv0 32))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (_ bv0 32)) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (_ bv0 32)) (_ bv0 32)) (= (_ bv2 32) |ULTIMATE.start_main_~len~0#1|) (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (_ bv0 32)))) (and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| .cse0) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| .cse0) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) |ULTIMATE.start_dll_circular_create_#res#1.base|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (_ bv0 32)) |ULTIMATE.start_dll_circular_create_#res#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (_ bv0 32)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 593) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point L591-2(lines 591 593) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L895 garLoopResultBuilder]: At program point L617(lines 612 618) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_circular_get_data_at_#res#1|)) (.cse1 (= (_ bv2 32) |ULTIMATE.start_main_~len~0#1|))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| (_ bv1 32)) (= |ULTIMATE.start_dll_circular_get_data_at_#res#1| (_ bv3 32)) (not (bvsgt |ULTIMATE.start_dll_circular_update_at_~index#1| (_ bv0 32))) .cse1) (let ((.cse2 (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (bvadd |ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)))) (.cse3 (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|))) (and .cse0 (= |ULTIMATE.start_dll_circular_get_data_at_~index#1| (_ bv0 32)) (= (bvadd .cse2 (_ bv1 32)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (_ bv8 32) (select .cse3 |ULTIMATE.start_main_~s~0#1.offset|)))) (= |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset| (_ bv0 32)) (= |ULTIMATE.start_main_~s~0#1.offset| (_ bv0 32)) (= .cse2 (bvadd |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~len~0#1|)) (= |ULTIMATE.start_dll_circular_update_at_~index#1| (_ bv0 32)) .cse1 (= |ULTIMATE.start_main_~len~0#1| .cse2) (= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (bvadd |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset| (_ bv8 32)))) (= (select .cse3 (_ bv0 32)) (_ bv0 32)))))) [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 611) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 610) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L899 garLoopResultBuilder]: For program point L635-2(lines 635 640) no Hoare annotation was computed. [2022-07-22 14:52:04,310 INFO L895 garLoopResultBuilder]: At program point L635-3(lines 635 640) the Hoare annotation is: (let ((.cse8 (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (bvadd |ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)))) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse0 (not (bvsgt |ULTIMATE.start_dll_circular_update_at_~index#1| (_ bv0 32)))) (.cse2 (bvsgt |ULTIMATE.start_main_~i~0#1| (_ bv0 32))) (.cse3 (= (bvadd .cse8 (_ bv1 32)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (_ bv8 32) (select .cse7 |ULTIMATE.start_main_~s~0#1.offset|))))) (.cse4 (= |ULTIMATE.start_main_~s~0#1.offset| (_ bv0 32))) (.cse1 (= (_ bv2 32) |ULTIMATE.start_main_~len~0#1|)) (.cse5 (= |ULTIMATE.start_main_~len~0#1| .cse8)) (.cse6 (= (select .cse7 (_ bv0 32)) (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_main_~i~0#1| (_ bv2 32)) .cse1 .cse2) (and (= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_dll_circular_get_data_at_#res#1|) (= |ULTIMATE.start_main_~i~0#1| (_ bv1 32)) .cse0 (= |ULTIMATE.start_dll_circular_get_data_at_~index#1| (_ bv0 32)) .cse3 .cse4 .cse1 .cse2 .cse5 (= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (bvadd |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset| (_ bv8 32)))) .cse6) (and (= |ULTIMATE.start_main_~i~0#1| (_ bv0 32)) .cse3 .cse4 (= |ULTIMATE.start_dll_circular_update_at_~index#1| (_ bv0 32)) .cse1 .cse5 .cse6)))) [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L635-4(lines 635 640) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L619(lines 619 625) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L895 garLoopResultBuilder]: At program point L586(line 586) the Hoare annotation is: (and (= (_ bv2 32) |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_dll_circular_create_~len#1| (_ bv2 32))) [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L586-1(line 586) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L902 garLoopResultBuilder]: At program point L644(lines 626 645) the Hoare annotation is: true [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L895 garLoopResultBuilder]: At program point L620-2(lines 620 623) the Hoare annotation is: (let ((.cse8 (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|)) (.cse9 (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse4 (= |ULTIMATE.start_dll_circular_update_at_~index#1| (_ bv0 32))) (.cse5 (not (= (select .cse9 (_ bv0 32)) |ULTIMATE.start_main_~s~0#1.base|))) (.cse0 (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_dll_circular_update_at_~head#1.offset|)) (.cse1 (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.offset| (_ BitVec 32))) (let ((.cse12 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (_ bv0 32)))) (and (= (select (select |#memory_$Pointer$.offset| .cse12) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (_ bv0 32)) (= (select (select |#memory_$Pointer$.base| .cse12) |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) |ULTIMATE.start_main_~s~0#1.base|))))) (.cse2 (= |ULTIMATE.start_dll_circular_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (.cse3 (= |ULTIMATE.start_main_~s~0#1.offset| (_ bv0 32))) (.cse6 (= (_ bv2 32) |ULTIMATE.start_main_~len~0#1|)) (.cse10 (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (bvadd |ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)))) (.cse11 (bvslt |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~len~0#1|)) (.cse7 (= (select .cse8 (_ bv0 32)) (_ bv0 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~i~0#1| (_ bv0 32)) .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_dll_circular_update_at_~data#1| (bvadd |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~len~0#1|)) .cse6 .cse7) (and .cse1 (= |ULTIMATE.start_main_~i~0#1| (_ bv1 32)) (= |ULTIMATE.start_dll_circular_update_at_~head#1.offset| (select .cse8 |ULTIMATE.start_main_~s~0#1.offset|)) (= |ULTIMATE.start_dll_circular_update_at_~head#1.base| (select .cse9 |ULTIMATE.start_main_~s~0#1.offset|)) .cse3 .cse4 .cse5 .cse6 (forall ((v_ArrVal_743 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_745 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd |ULTIMATE.start_main_~len~0#1| (_ bv1 32)) (select (select (store |#memory_int| |ULTIMATE.start_dll_circular_update_at_~head#1.base| (store (select |#memory_int| |ULTIMATE.start_dll_circular_update_at_~head#1.base|) (bvadd (_ bv8 32) |ULTIMATE.start_dll_circular_update_at_~head#1.offset|) |ULTIMATE.start_dll_circular_update_at_~data#1|)) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_743) |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (_ bv8 32) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_update_at_~head#1.base| v_ArrVal_745) |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|))))) (= |ULTIMATE.start_main_~len~0#1| .cse10) .cse11 .cse7) (and .cse0 .cse1 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_dll_circular_update_at_~index#1|) .cse6 (= (bvadd .cse10 (_ bv1 32)) |ULTIMATE.start_dll_circular_update_at_~data#1|) (bvsgt |ULTIMATE.start_main_~i~0#1| (_ bv0 32)) (forall ((v_ArrVal_349 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~len~0#1| (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_update_at_~head#1.base|) |ULTIMATE.start_dll_circular_update_at_~head#1.offset|) v_ArrVal_349) |ULTIMATE.start_main_~s~0#1.base|) (bvadd |ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32))))) .cse11 .cse7)))) [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L620-3(lines 620 623) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 639) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L902 garLoopResultBuilder]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L604-3(lines 604 608) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L895 garLoopResultBuilder]: At program point L588-2(lines 588 596) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse0 (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (_ bv0 32))) (.cse2 (= (_ bv2 32) |ULTIMATE.start_main_~len~0#1|))) (or (and (= (_ bv0 32) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) .cse0 (not .cse1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (_ bv0 32)) (_ bv0 32)) .cse2 (= (_ bv2 32) (bvadd |ULTIMATE.start_dll_circular_create_~len#1| (_ bv1 32))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (_ bv0 32)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (and .cse1 (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (_ bv1 1)) .cse0 .cse2 (= |ULTIMATE.start_dll_circular_create_~len#1| (_ bv2 32))))) [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L588-3(lines 588 596) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L895 garLoopResultBuilder]: At program point L613-2(lines 613 616) the Hoare annotation is: (let ((.cse4 (select (select |#memory_int| |ULTIMATE.start_main_~s~0#1.base|) (bvadd |ULTIMATE.start_main_~s~0#1.offset| (_ bv8 32)))) (.cse17 (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|)) (.cse14 (= |ULTIMATE.start_main_~i~0#1| (_ bv1 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_main_~len~0#1|))) (let ((.cse7 (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|)) (.cse9 (let ((.cse18 (bvslt |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~len~0#1|))) (or (and (= |ULTIMATE.start_main_~i~0#1| (_ bv0 32)) .cse5 .cse18) (and .cse14 .cse5 .cse18)))) (.cse10 (not (bvsgt |ULTIMATE.start_dll_circular_update_at_~index#1| (_ bv0 32)))) (.cse0 (= |ULTIMATE.start_dll_circular_get_data_at_~index#1| (_ bv0 32))) (.cse1 (= (bvadd .cse4 (_ bv1 32)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |ULTIMATE.start_main_~s~0#1.offset|)) (bvadd (_ bv8 32) (select .cse17 |ULTIMATE.start_main_~s~0#1.offset|))))) (.cse2 (= |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset| (_ bv0 32))) (.cse3 (= |ULTIMATE.start_main_~s~0#1.offset| (_ bv0 32))) (.cse6 (= |ULTIMATE.start_main_~len~0#1| .cse4)) (.cse8 (= (select .cse17 (_ bv0 32)) (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 (= .cse4 (bvadd |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~len~0#1|)) (= |ULTIMATE.start_dll_circular_update_at_~index#1| (_ bv0 32)) .cse5 .cse6 (= |ULTIMATE.start_main_~expected~0#1| (select .cse7 (bvadd |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset| (_ bv8 32)))) .cse8) (let ((.cse13 (select .cse7 (_ bv8 32)))) (let ((.cse11 (bvadd (_ bv1 32) .cse13)) (.cse12 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (_ bv0 32)))) (and .cse9 (= |ULTIMATE.start_dll_circular_get_data_at_~index#1| (_ bv1 32)) .cse10 .cse1 .cse2 (= |ULTIMATE.start_main_~expected~0#1| .cse11) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (_ bv0 32))) (bvadd (_ bv8 32) .cse12)) .cse11) .cse3 (= .cse12 (_ bv0 32)) (bvsgt |ULTIMATE.start_main_~i~0#1| (_ bv0 32)) .cse6 (= (_ bv2 32) .cse13) .cse8))) (and .cse9 .cse14 .cse10 .cse0 .cse1 .cse2 .cse3 (exists ((|v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13| (_ BitVec 32))) (let ((.cse16 (select (select |#memory_int| |v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13|) (_ bv8 32)))) (let ((.cse15 (bvadd .cse16 (_ bv1 32)))) (and (= |ULTIMATE.start_main_~expected~0#1| .cse15) (= .cse15 (select (select |#memory_int| |ULTIMATE.start_dll_circular_get_data_at_~head#1.base|) (bvadd |ULTIMATE.start_dll_circular_get_data_at_~head#1.offset| (_ bv8 32)))) (= (_ bv2 32) .cse16))))) .cse6 .cse8)))) [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L613-3(lines 613 616) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 579) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2022-07-22 14:52:04,311 INFO L902 garLoopResultBuilder]: At program point L573(line 573) the Hoare annotation is: true [2022-07-22 14:52:04,311 INFO L895 garLoopResultBuilder]: At program point node_createENTRY(lines 575 584) the Hoare annotation is: (= |old(#valid)| |#valid|) [2022-07-22 14:52:04,311 INFO L899 garLoopResultBuilder]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2022-07-22 14:52:04,312 INFO L899 garLoopResultBuilder]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2022-07-22 14:52:04,313 INFO L356 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1, 1] [2022-07-22 14:52:04,315 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 14:52:04,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,324 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,325 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,325 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,326 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,326 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,333 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,333 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,333 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,333 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,334 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,334 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,334 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,334 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,334 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,334 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,335 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,342 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,342 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,343 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,345 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,346 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_743,QUANTIFIED] [2022-07-22 14:52:04,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,347 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] [2022-07-22 14:52:04,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,348 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,349 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_349,QUANTIFIED] [2022-07-22 14:52:04,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,352 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,353 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,354 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,355 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,357 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,357 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_743,QUANTIFIED] [2022-07-22 14:52:04,358 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,358 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] [2022-07-22 14:52:04,358 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,358 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,361 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,361 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,361 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,361 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,361 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,361 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_349,QUANTIFIED] [2022-07-22 14:52:04,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,364 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,365 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,373 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,374 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,374 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,374 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,374 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,376 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,377 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,379 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,379 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,379 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,379 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,379 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,379 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,380 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,380 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,380 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,381 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_736,QUANTIFIED] [2022-07-22 14:52:04,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] [2022-07-22 14:52:04,381 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,381 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,381 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,382 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,383 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,383 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,383 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,383 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,383 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,383 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,384 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,384 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,384 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,384 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,384 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,384 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,384 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_736,QUANTIFIED] [2022-07-22 14:52:04,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] [2022-07-22 14:52:04,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,385 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,386 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,386 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,386 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,387 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,387 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,387 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,387 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,387 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,387 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,388 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,388 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,388 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,388 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,388 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,389 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,389 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,389 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,389 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,389 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,390 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,391 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,391 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,392 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,392 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,392 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,392 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,392 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,392 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,392 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:52:04 BoogieIcfgContainer [2022-07-22 14:52:04,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 14:52:04,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 14:52:04,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 14:52:04,395 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 14:52:04,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:51:28" (3/4) ... [2022-07-22 14:52:04,398 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 14:52:04,402 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2022-07-22 14:52:04,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-07-22 14:52:04,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-07-22 14:52:04,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 14:52:04,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 14:52:04,422 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0bv32 == new_head && \result == 0bv32) && 0bv32 == #memory_$Pointer$[new_head][new_head]) && !(last == new_head)) && 0bv32 == #memory_$Pointer$[\result][0bv32]) && head == 0bv32) && !(last == head)) && #memory_$Pointer$[head][0bv32] == 0bv32) && 2bv32 == len) && (\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: 0bv32 == #memory_$Pointer$[#memory_$Pointer$[\result][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] && #memory_$Pointer$[#memory_$Pointer$[\result][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == \result)) && !(#memory_$Pointer$[\result][0bv32] == \result)) && #memory_$Pointer$[new_head][new_head] == last) && #memory_$Pointer$[head][0bv32] == last [2022-07-22 14:52:04,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])] && s == 0bv32) && index == 0bv32) && i == 2bv32) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) || ((((((((\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s) && s == 0bv32) && index == 0bv32) && !(#memory_$Pointer$[s][0bv32] == s)) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == ~bvadd64(i, len)) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32)) || ((((((\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s) && i == 0bv32) && s == 0bv32) && (forall v_ArrVal_736 : bv32, v_ArrVal_745 : [bv32]bv32 :: #memory_$Pointer$[s := #memory_$Pointer$[s][~bvadd64(s, 8bv32) := v_ArrVal_736]][#memory_$Pointer$[s][s] := v_ArrVal_745][s][s] == #memory_$Pointer$[s][s])) && 2bv32 == len) && #memory_$Pointer$[s][0bv32] == 0bv32) [2022-07-22 14:52:04,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~bvsgt32(index, 0bv32) && i == 2bv32) && 2bv32 == len) && ~bvsgt32(i, 0bv32)) || ((((((((((expected == \result && i == 1bv32) && !~bvsgt32(index, 0bv32)) && index == 0bv32) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && s == 0bv32) && 2bv32 == len) && ~bvsgt32(i, 0bv32)) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && expected == unknown-#memory_int-unknown[head][~bvadd64(head, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32)) || ((((((i == 0bv32 && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && s == 0bv32) && index == 0bv32) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) [2022-07-22 14:52:04,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((s == head && (\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s)) && i == 0bv32) && head == s) && s == 0bv32) && index == 0bv32) && !(#memory_$Pointer$[s][0bv32] == s)) && data == ~bvadd64(i, len)) && 2bv32 == len) && #memory_$Pointer$[s][0bv32] == 0bv32) || ((((((((((((\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s) && i == 1bv32) && head == #memory_$Pointer$[s][s]) && head == #memory_$Pointer$[s][s]) && s == 0bv32) && index == 0bv32) && !(#memory_$Pointer$[s][0bv32] == s)) && 2bv32 == len) && (forall v_ArrVal_743 : [bv32]bv32, v_ArrVal_745 : [bv32]bv32 :: ~bvadd64(len, 1bv32) == unknown-#memory_int-unknown[head := unknown-#memory_int-unknown[head][~bvadd64(8bv32, head) := data]][#memory_$Pointer$[head := v_ArrVal_743][s][s]][~bvadd64(8bv32, #memory_$Pointer$[head := v_ArrVal_745][s][s])])) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && ~bvslt32(i, len)) && #memory_$Pointer$[s][0bv32] == 0bv32)) || ((((((((((s == head && (\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s)) && head == s) && s == 0bv32) && 1bv32 == index) && 2bv32 == len) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == data) && ~bvsgt32(i, 0bv32)) && (forall v_ArrVal_349 : [bv32]bv32 :: len == unknown-#memory_int-unknown[#memory_$Pointer$[head][head] := v_ArrVal_349][s][~bvadd64(s, 8bv32)])) && ~bvslt32(i, len)) && #memory_$Pointer$[s][0bv32] == 0bv32) [2022-07-22 14:52:04,424 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((index == 0bv32 && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && head == 0bv32) && s == 0bv32) && unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)] == ~bvadd64(i, len)) && index == 0bv32) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && expected == unknown-#memory_int-unknown[head][~bvadd64(head, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) || (((((((((((((((i == 0bv32 && 2bv32 == len) && ~bvslt32(i, len)) || ((i == 1bv32 && 2bv32 == len) && ~bvslt32(i, len))) && index == 1bv32) && !~bvsgt32(index, 0bv32)) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && head == 0bv32) && expected == ~bvadd64(1bv32, unknown-#memory_int-unknown[head][8bv32])) && unknown-#memory_int-unknown[#memory_$Pointer$[head][0bv32]][~bvadd64(8bv32, #memory_$Pointer$[head][0bv32])] == ~bvadd64(1bv32, unknown-#memory_int-unknown[head][8bv32])) && s == 0bv32) && #memory_$Pointer$[head][0bv32] == 0bv32) && ~bvsgt32(i, 0bv32)) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && 2bv32 == unknown-#memory_int-unknown[head][8bv32]) && #memory_$Pointer$[s][0bv32] == 0bv32)) || ((((((((((((i == 0bv32 && 2bv32 == len) && ~bvslt32(i, len)) || ((i == 1bv32 && 2bv32 == len) && ~bvslt32(i, len))) && i == 1bv32) && !~bvsgt32(index, 0bv32)) && index == 0bv32) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && head == 0bv32) && s == 0bv32) && (\exists v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13 : bv32 :: (expected == ~bvadd64(unknown-#memory_int-unknown[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13][8bv32], 1bv32) && ~bvadd64(unknown-#memory_int-unknown[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13][8bv32], 1bv32) == unknown-#memory_int-unknown[head][~bvadd64(head, 8bv32)]) && 2bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13][8bv32])) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) [2022-07-22 14:52:04,425 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((expected == \result && i == 1bv32) && \result == 3bv32) && !~bvsgt32(index, 0bv32)) && 2bv32 == len) || ((((((((((expected == \result && index == 0bv32) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && head == 0bv32) && s == 0bv32) && unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)] == ~bvadd64(i, len)) && index == 0bv32) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && expected == unknown-#memory_int-unknown[head][~bvadd64(head, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) [2022-07-22 14:52:04,438 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 14:52:04,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 14:52:04,439 INFO L158 Benchmark]: Toolchain (without parser) took 36936.29ms. Allocated memory was 65.0MB in the beginning and 197.1MB in the end (delta: 132.1MB). Free memory was 44.2MB in the beginning and 130.8MB in the end (delta: -86.6MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2022-07-22 14:52:04,439 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 14:52:04,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.09ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 40.7MB in the end (delta: 3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 14:52:04,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.10ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 38.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:52:04,440 INFO L158 Benchmark]: Boogie Preprocessor took 51.04ms. Allocated memory is still 65.0MB. Free memory was 38.4MB in the beginning and 36.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 14:52:04,443 INFO L158 Benchmark]: RCFGBuilder took 422.34ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 36.5MB in the beginning and 54.9MB in the end (delta: -18.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-07-22 14:52:04,443 INFO L158 Benchmark]: TraceAbstraction took 36001.49ms. Allocated memory was 81.8MB in the beginning and 197.1MB in the end (delta: 115.3MB). Free memory was 54.6MB in the beginning and 135.0MB in the end (delta: -80.4MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. [2022-07-22 14:52:04,443 INFO L158 Benchmark]: Witness Printer took 43.75ms. Allocated memory is still 197.1MB. Free memory was 135.0MB in the beginning and 130.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 14:52:04,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.09ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 40.7MB in the end (delta: 3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.10ms. Allocated memory is still 65.0MB. Free memory was 40.7MB in the beginning and 38.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.04ms. Allocated memory is still 65.0MB. Free memory was 38.4MB in the beginning and 36.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.34ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 36.5MB in the beginning and 54.9MB in the end (delta: -18.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 36001.49ms. Allocated memory was 81.8MB in the beginning and 197.1MB in the end (delta: 115.3MB). Free memory was 54.6MB in the beginning and 135.0MB in the end (delta: -80.4MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. * Witness Printer took 43.75ms. Allocated memory is still 197.1MB. Free memory was 135.0MB in the beginning and 130.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - 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_$Pointer$.offset - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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_$Pointer$.offset - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_743,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_349,QUANTIFIED] - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_743,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_349,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.offset - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_736,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.offset - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] - 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_736,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.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_$Pointer$.offset - 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_$Pointer$.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_$Pointer$.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_$Pointer$.offset - 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_$Pointer$.offset - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] - 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_$Pointer$.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_$Pointer$.offset - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 643]: 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 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.9s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 672 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 669 mSDsluCounter, 2663 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 976 IncrementalHoareTripleChecker+Unchecked, 2222 mSDsCounter, 151 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1277 IncrementalHoareTripleChecker+Invalid, 2404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 151 mSolverCounterUnsat, 441 mSDtfsCounter, 1277 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 948 GetRequests, 753 SyntacticMatches, 10 SemanticMatches, 185 ConstructedPredicates, 15 IntricatePredicates, 5 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=11, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 147 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 18 PreInvPairs, 38 NumberOfFragments, 1200 HoareAnnotationTreeSize, 18 FomulaSimplifications, 32865 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 14 FomulaSimplificationsInter, 15952 FormulaSimplificationTreeSizeReductionInter, 8.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 512 NumberOfCodeBlocks, 511 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 890 ConstructedInterpolants, 48 QuantifiedInterpolants, 7501 SizeOfPredicates, 112 NumberOfNonLiveVariables, 2788 ConjunctsInSsa, 205 ConjunctsInUnsatCore, 22 InterpolantComputations, 4 PerfectInterpolantSequences, 269/386 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: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant [2022-07-22 14:52:04,474 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,475 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,475 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,476 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,478 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,479 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,479 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,480 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((((0bv32 == new_head && \result == 0bv32) && 0bv32 == #memory_$Pointer$[new_head][new_head]) && !(last == new_head)) && 0bv32 == #memory_$Pointer$[\result][0bv32]) && head == 0bv32) && !(last == head)) && #memory_$Pointer$[head][0bv32] == 0bv32) && 2bv32 == len) && (\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: 0bv32 == #memory_$Pointer$[#memory_$Pointer$[\result][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] && #memory_$Pointer$[#memory_$Pointer$[\result][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == \result)) && !(#memory_$Pointer$[\result][0bv32] == \result)) && #memory_$Pointer$[new_head][new_head] == last) && #memory_$Pointer$[head][0bv32] == last - InvariantResult [Line: 620]: Loop Invariant [2022-07-22 14:52:04,480 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,481 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,482 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,483 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_743,QUANTIFIED] [2022-07-22 14:52:04,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] [2022-07-22 14:52:04,486 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,486 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,487 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,487 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,487 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,488 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,488 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_349,QUANTIFIED] [2022-07-22 14:52:04,488 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,490 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,491 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,492 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,492 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,492 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,492 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,492 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,492 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,492 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,493 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,493 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_743,QUANTIFIED] [2022-07-22 14:52:04,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] [2022-07-22 14:52:04,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,494 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,494 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,495 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_349,QUANTIFIED] [2022-07-22 14:52:04,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,495 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((s == head && (\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s)) && i == 0bv32) && head == s) && s == 0bv32) && index == 0bv32) && !(#memory_$Pointer$[s][0bv32] == s)) && data == ~bvadd64(i, len)) && 2bv32 == len) && #memory_$Pointer$[s][0bv32] == 0bv32) || ((((((((((((\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s) && i == 1bv32) && head == #memory_$Pointer$[s][s]) && head == #memory_$Pointer$[s][s]) && s == 0bv32) && index == 0bv32) && !(#memory_$Pointer$[s][0bv32] == s)) && 2bv32 == len) && (forall v_ArrVal_743 : [bv32]bv32, v_ArrVal_745 : [bv32]bv32 :: ~bvadd64(len, 1bv32) == unknown-#memory_int-unknown[head := unknown-#memory_int-unknown[head][~bvadd64(8bv32, head) := data]][#memory_$Pointer$[head := v_ArrVal_743][s][s]][~bvadd64(8bv32, #memory_$Pointer$[head := v_ArrVal_745][s][s])])) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && ~bvslt32(i, len)) && #memory_$Pointer$[s][0bv32] == 0bv32)) || ((((((((((s == head && (\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s)) && head == s) && s == 0bv32) && 1bv32 == index) && 2bv32 == len) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == data) && ~bvsgt32(i, 0bv32)) && (forall v_ArrVal_349 : [bv32]bv32 :: len == unknown-#memory_int-unknown[#memory_$Pointer$[head][head] := v_ArrVal_349][s][~bvadd64(s, 8bv32)])) && ~bvslt32(i, len)) && #memory_$Pointer$[s][0bv32] == 0bv32) - InvariantResult [Line: 635]: Loop Invariant [2022-07-22 14:52:04,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,496 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,497 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,498 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,499 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((!~bvsgt32(index, 0bv32) && i == 2bv32) && 2bv32 == len) && ~bvsgt32(i, 0bv32)) || ((((((((((expected == \result && i == 1bv32) && !~bvsgt32(index, 0bv32)) && index == 0bv32) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && s == 0bv32) && 2bv32 == len) && ~bvsgt32(i, 0bv32)) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && expected == unknown-#memory_int-unknown[head][~bvadd64(head, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32)) || ((((((i == 0bv32 && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && s == 0bv32) && index == 0bv32) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant [2022-07-22 14:52:04,499 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,499 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,499 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,500 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,500 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_736,QUANTIFIED] [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] [2022-07-22 14:52:04,501 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,502 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,502 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,502 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,502 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,503 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,503 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,503 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,503 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,503 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,504 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,504 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_dll_circular_create_~last~0#1.offset,QUANTIFIED] [2022-07-22 14:52:04,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_736,QUANTIFIED] [2022-07-22 14:52:04,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ArrVal_745,QUANTIFIED] [2022-07-22 14:52:04,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((((~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])] && s == 0bv32) && index == 0bv32) && i == 2bv32) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) || ((((((((\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s) && s == 0bv32) && index == 0bv32) && !(#memory_$Pointer$[s][0bv32] == s)) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == ~bvadd64(i, len)) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32)) || ((((((\exists ULTIMATE.start_dll_circular_create_~last~0#1.offset : bv32 :: #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == 0bv32 && #memory_$Pointer$[#memory_$Pointer$[s][0bv32]][ULTIMATE.start_dll_circular_create_~last~0#1.offset] == s) && i == 0bv32) && s == 0bv32) && (forall v_ArrVal_736 : bv32, v_ArrVal_745 : [bv32]bv32 :: #memory_$Pointer$[s := #memory_$Pointer$[s][~bvadd64(s, 8bv32) := v_ArrVal_736]][#memory_$Pointer$[s][s] := v_ArrVal_745][s][s] == #memory_$Pointer$[s][s])) && 2bv32 == len) && #memory_$Pointer$[s][0bv32] == 0bv32) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 612]: Loop Invariant [2022-07-22 14:52:04,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((expected == \result && i == 1bv32) && \result == 3bv32) && !~bvsgt32(index, 0bv32)) && 2bv32 == len) || ((((((((((expected == \result && index == 0bv32) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && head == 0bv32) && s == 0bv32) && unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)] == ~bvadd64(i, len)) && index == 0bv32) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && expected == unknown-#memory_int-unknown[head][~bvadd64(head, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) - InvariantResult [Line: 588]: Loop Invariant [2022-07-22 14:52:04,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((0bv32 == new_head && 0bv32 == #memory_$Pointer$[new_head][new_head]) && !(last == new_head)) && head == 0bv32) && !(last == head)) && #memory_$Pointer$[head][0bv32] == 0bv32) && 2bv32 == len) && 2bv32 == ~bvadd64(len, 1bv32)) && #memory_$Pointer$[new_head][new_head] == last) && #memory_$Pointer$[head][0bv32] == last) || ((((last == head && \valid[head] == 1bv1) && head == 0bv32) && 2bv32 == len) && len == 2bv32) - InvariantResult [Line: 613]: Loop Invariant [2022-07-22 14:52:04,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,510 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,510 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,510 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,510 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-07-22 14:52:04,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-07-22 14:52:04,512 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,512 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13,QUANTIFIED] [2022-07-22 14:52:04,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((index == 0bv32 && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && head == 0bv32) && s == 0bv32) && unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)] == ~bvadd64(i, len)) && index == 0bv32) && 2bv32 == len) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && expected == unknown-#memory_int-unknown[head][~bvadd64(head, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) || (((((((((((((((i == 0bv32 && 2bv32 == len) && ~bvslt32(i, len)) || ((i == 1bv32 && 2bv32 == len) && ~bvslt32(i, len))) && index == 1bv32) && !~bvsgt32(index, 0bv32)) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && head == 0bv32) && expected == ~bvadd64(1bv32, unknown-#memory_int-unknown[head][8bv32])) && unknown-#memory_int-unknown[#memory_$Pointer$[head][0bv32]][~bvadd64(8bv32, #memory_$Pointer$[head][0bv32])] == ~bvadd64(1bv32, unknown-#memory_int-unknown[head][8bv32])) && s == 0bv32) && #memory_$Pointer$[head][0bv32] == 0bv32) && ~bvsgt32(i, 0bv32)) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && 2bv32 == unknown-#memory_int-unknown[head][8bv32]) && #memory_$Pointer$[s][0bv32] == 0bv32)) || ((((((((((((i == 0bv32 && 2bv32 == len) && ~bvslt32(i, len)) || ((i == 1bv32 && 2bv32 == len) && ~bvslt32(i, len))) && i == 1bv32) && !~bvsgt32(index, 0bv32)) && index == 0bv32) && ~bvadd64(unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)], 1bv32) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][~bvadd64(8bv32, #memory_$Pointer$[s][s])]) && head == 0bv32) && s == 0bv32) && (\exists v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13 : bv32 :: (expected == ~bvadd64(unknown-#memory_int-unknown[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13][8bv32], 1bv32) && ~bvadd64(unknown-#memory_int-unknown[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13][8bv32], 1bv32) == unknown-#memory_int-unknown[head][~bvadd64(head, 8bv32)]) && 2bv32 == unknown-#memory_int-unknown[v_ULTIMATE.start_dll_circular_get_data_at_~head#1.base_13][8bv32])) && len == unknown-#memory_int-unknown[s][~bvadd64(s, 8bv32)]) && #memory_$Pointer$[s][0bv32] == 0bv32) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 14:52:04,541 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE