./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/forester-heap/sll-rb-cnstr_1-1.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 6070ac475d5b3c3d5905eb0c203232134efabc1c427fcfbbf8cf82789693617b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:52:08,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:52:08,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:52:08,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:52:08,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:52:08,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:52:08,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:52:08,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:52:08,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:52:08,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:52:08,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:52:08,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:52:08,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:52:08,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:52:08,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:52:08,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:52:08,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:52:08,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:52:08,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:52:08,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:52:08,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:52:08,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:52:08,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:52:08,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:52:08,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:52:08,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:52:08,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:52:08,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:52:08,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:52:08,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:52:08,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:52:08,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:52:08,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:52:08,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:52:08,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:52:08,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:52:08,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:52:08,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:52:08,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:52:08,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:52:08,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:52:08,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:52:09,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:52:09,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:52:09,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:52:09,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:52:09,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:52:09,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:52:09,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:52:09,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:52:09,022 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:52:09,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:52:09,022 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:52:09,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:52:09,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:52:09,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:52:09,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:52:09,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:52:09,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:52:09,023 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:52:09,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:52:09,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:52:09,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:52:09,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:52:09,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:52:09,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:52:09,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:52:09,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:52:09,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:52:09,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:52:09,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:52:09,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:52:09,026 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:52:09,027 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:52:09,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:52:09,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6070ac475d5b3c3d5905eb0c203232134efabc1c427fcfbbf8cf82789693617b [2022-02-20 16:52:09,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:52:09,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:52:09,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:52:09,255 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:52:09,255 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:52:09,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i [2022-02-20 16:52:09,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e52a6b4/2a4ca0b6517d4627a820bfa2c29db5da/FLAGfa5182ecc [2022-02-20 16:52:09,690 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:52:09,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i [2022-02-20 16:52:09,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e52a6b4/2a4ca0b6517d4627a820bfa2c29db5da/FLAGfa5182ecc [2022-02-20 16:52:09,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e52a6b4/2a4ca0b6517d4627a820bfa2c29db5da [2022-02-20 16:52:09,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:52:09,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:52:09,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:52:09,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:52:09,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:52:09,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:52:09" (1/1) ... [2022-02-20 16:52:09,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55df55ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:09, skipping insertion in model container [2022-02-20 16:52:09,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:52:09" (1/1) ... [2022-02-20 16:52:09,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:52:09,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:52:10,029 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/forester-heap/sll-rb-cnstr_1-1.i[22480,22493] [2022-02-20 16:52:10,031 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/forester-heap/sll-rb-cnstr_1-1.i[22552,22565] [2022-02-20 16:52:10,032 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/forester-heap/sll-rb-cnstr_1-1.i[22704,22717] [2022-02-20 16:52:10,033 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/forester-heap/sll-rb-cnstr_1-1.i[22778,22791] [2022-02-20 16:52:10,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:52:10,043 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:52:10,076 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/forester-heap/sll-rb-cnstr_1-1.i[22480,22493] [2022-02-20 16:52:10,077 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/forester-heap/sll-rb-cnstr_1-1.i[22552,22565] [2022-02-20 16:52:10,078 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/forester-heap/sll-rb-cnstr_1-1.i[22704,22717] [2022-02-20 16:52:10,078 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/forester-heap/sll-rb-cnstr_1-1.i[22778,22791] [2022-02-20 16:52:10,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:52:10,099 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:52:10,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10 WrapperNode [2022-02-20 16:52:10,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:52:10,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:52:10,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:52:10,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:52:10,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,141 INFO L137 Inliner]: procedures = 119, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2022-02-20 16:52:10,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:52:10,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:52:10,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:52:10,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:52:10,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:52:10,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:52:10,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:52:10,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:52:10,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (1/1) ... [2022-02-20 16:52:10,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:52:10,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:10,194 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) [2022-02-20 16:52:10,200 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 [2022-02-20 16:52:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:52:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:52:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 16:52:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:52:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 16:52:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 16:52:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:52:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:52:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:52:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:52:10,297 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:52:10,298 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:52:10,559 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:52:10,578 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:52:10,579 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-02-20 16:52:10,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:52:10 BoogieIcfgContainer [2022-02-20 16:52:10,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:52:10,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:52:10,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:52:10,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:52:10,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:52:09" (1/3) ... [2022-02-20 16:52:10,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd3f343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:52:10, skipping insertion in model container [2022-02-20 16:52:10,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:10" (2/3) ... [2022-02-20 16:52:10,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd3f343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:52:10, skipping insertion in model container [2022-02-20 16:52:10,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:52:10" (3/3) ... [2022-02-20 16:52:10,585 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-rb-cnstr_1-1.i [2022-02-20 16:52:10,589 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:52:10,590 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-20 16:52:10,625 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:52:10,631 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:52:10,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 16:52:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 32 states have internal predecessors, (53), 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) [2022-02-20 16:52:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-20 16:52:10,646 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:10,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-20 16:52:10,647 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 16:52:10,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash 889968582, now seen corresponding path program 1 times [2022-02-20 16:52:10,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:10,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176535442] [2022-02-20 16:52:10,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:10,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:10,812 INFO L290 TraceCheckUtils]: 0: Hoare triple {36#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {36#true} is VALID [2022-02-20 16:52:10,813 INFO L290 TraceCheckUtils]: 1: Hoare triple {36#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {36#true} is VALID [2022-02-20 16:52:10,814 INFO L290 TraceCheckUtils]: 2: Hoare triple {36#true} assume !true; {37#false} is VALID [2022-02-20 16:52:10,815 INFO L290 TraceCheckUtils]: 3: Hoare triple {37#false} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {37#false} is VALID [2022-02-20 16:52:10,815 INFO L290 TraceCheckUtils]: 4: Hoare triple {37#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {37#false} is VALID [2022-02-20 16:52:10,815 INFO L290 TraceCheckUtils]: 5: Hoare triple {37#false} assume !false; {37#false} is VALID [2022-02-20 16:52:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:10,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:10,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176535442] [2022-02-20 16:52:10,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176535442] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:10,819 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:10,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:52:10,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747287166] [2022-02-20 16:52:10,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:10,824 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:52:10,825 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:10,828 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-02-20 16:52:10,843 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:10,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:52:10,844 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:10,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:52:10,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:52:10,862 INFO L87 Difference]: Start difference. First operand has 33 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 32 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-02-20 16:52:10,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:10,913 INFO L93 Difference]: Finished difference Result 61 states and 98 transitions. [2022-02-20 16:52:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:52:10,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:52:10,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-02-20 16:52:10,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 98 transitions. [2022-02-20 16:52:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-02-20 16:52:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 98 transitions. [2022-02-20 16:52:10,929 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 98 transitions. [2022-02-20 16:52:11,029 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:11,034 INFO L225 Difference]: With dead ends: 61 [2022-02-20 16:52:11,035 INFO L226 Difference]: Without dead ends: 27 [2022-02-20 16:52:11,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:52:11,039 INFO L933 BasicCegarLoop]: 38 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, 38 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 [2022-02-20 16:52:11,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:52:11,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-02-20 16:52:11,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-02-20 16:52:11,058 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:11,059 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 26 states have internal predecessors, (30), 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) [2022-02-20 16:52:11,059 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 26 states have internal predecessors, (30), 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) [2022-02-20 16:52:11,059 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 26 states have internal predecessors, (30), 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) [2022-02-20 16:52:11,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:11,062 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-02-20 16:52:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-02-20 16:52:11,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:11,063 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:11,064 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 27 states. [2022-02-20 16:52:11,064 INFO L87 Difference]: Start difference. First operand has 27 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 27 states. [2022-02-20 16:52:11,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:11,065 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-02-20 16:52:11,065 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-02-20 16:52:11,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:11,066 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:11,066 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:11,066 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 26 states have internal predecessors, (30), 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) [2022-02-20 16:52:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-02-20 16:52:11,069 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 6 [2022-02-20 16:52:11,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:11,069 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-02-20 16:52:11,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-02-20 16:52:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-02-20 16:52:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-02-20 16:52:11,070 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:11,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:11,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:52:11,072 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 16:52:11,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:11,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1806853233, now seen corresponding path program 1 times [2022-02-20 16:52:11,074 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:11,074 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328397404] [2022-02-20 16:52:11,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:11,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:11,146 INFO L290 TraceCheckUtils]: 0: Hoare triple {192#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {192#true} is VALID [2022-02-20 16:52:11,147 INFO L290 TraceCheckUtils]: 1: Hoare triple {192#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {194#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 16:52:11,147 INFO L290 TraceCheckUtils]: 2: Hoare triple {194#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {194#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 16:52:11,147 INFO L290 TraceCheckUtils]: 3: Hoare triple {194#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {194#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 16:52:11,148 INFO L290 TraceCheckUtils]: 4: Hoare triple {194#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {195#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} is VALID [2022-02-20 16:52:11,149 INFO L290 TraceCheckUtils]: 5: Hoare triple {195#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {193#false} is VALID [2022-02-20 16:52:11,149 INFO L290 TraceCheckUtils]: 6: Hoare triple {193#false} assume !false; {193#false} is VALID [2022-02-20 16:52:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:11,149 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:11,149 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328397404] [2022-02-20 16:52:11,149 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328397404] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:11,149 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:11,149 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 16:52:11,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734766552] [2022-02-20 16:52:11,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:11,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 16:52:11,151 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:11,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-02-20 16:52:11,157 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:11,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:52:11,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:11,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:52:11,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:52:11,161 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-02-20 16:52:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:11,250 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-02-20 16:52:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 16:52:11,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 16:52:11,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-02-20 16:52:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2022-02-20 16:52:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-02-20 16:52:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2022-02-20 16:52:11,253 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 34 transitions. [2022-02-20 16:52:11,280 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:11,281 INFO L225 Difference]: With dead ends: 30 [2022-02-20 16:52:11,281 INFO L226 Difference]: Without dead ends: 28 [2022-02-20 16:52:11,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:52:11,282 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 35 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:11,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 28 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:52:11,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-02-20 16:52:11,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-02-20 16:52:11,285 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:11,285 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand has 25 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-02-20 16:52:11,285 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand has 25 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-02-20 16:52:11,286 INFO L87 Difference]: Start difference. First operand 28 states. Second operand has 25 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-02-20 16:52:11,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:11,287 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-02-20 16:52:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-02-20 16:52:11,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:11,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:11,287 INFO L74 IsIncluded]: Start isIncluded. First operand has 25 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 28 states. [2022-02-20 16:52:11,288 INFO L87 Difference]: Start difference. First operand has 25 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 28 states. [2022-02-20 16:52:11,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:11,289 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-02-20 16:52:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-02-20 16:52:11,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:11,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:11,289 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:11,289 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-02-20 16:52:11,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-02-20 16:52:11,290 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 7 [2022-02-20 16:52:11,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:11,291 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-02-20 16:52:11,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-02-20 16:52:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-02-20 16:52:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 16:52:11,291 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:11,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:11,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:52:11,292 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 16:52:11,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:11,292 INFO L85 PathProgramCache]: Analyzing trace with hash -856511048, now seen corresponding path program 1 times [2022-02-20 16:52:11,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:11,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121186248] [2022-02-20 16:52:11,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:11,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:11,367 INFO L290 TraceCheckUtils]: 0: Hoare triple {317#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {317#true} is VALID [2022-02-20 16:52:11,368 INFO L290 TraceCheckUtils]: 1: Hoare triple {317#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {319#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} is VALID [2022-02-20 16:52:11,368 INFO L290 TraceCheckUtils]: 2: Hoare triple {319#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {319#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} is VALID [2022-02-20 16:52:11,369 INFO L290 TraceCheckUtils]: 3: Hoare triple {319#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {319#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} is VALID [2022-02-20 16:52:11,369 INFO L290 TraceCheckUtils]: 4: Hoare triple {319#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {320#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:11,370 INFO L290 TraceCheckUtils]: 5: Hoare triple {320#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {320#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:11,370 INFO L290 TraceCheckUtils]: 6: Hoare triple {320#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {320#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:11,371 INFO L290 TraceCheckUtils]: 7: Hoare triple {320#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {321#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 16:52:11,371 INFO L290 TraceCheckUtils]: 8: Hoare triple {321#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {318#false} is VALID [2022-02-20 16:52:11,371 INFO L290 TraceCheckUtils]: 9: Hoare triple {318#false} assume !false; {318#false} is VALID [2022-02-20 16:52:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:11,371 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:11,372 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121186248] [2022-02-20 16:52:11,372 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121186248] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:11,372 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:11,372 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 16:52:11,372 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757837051] [2022-02-20 16:52:11,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:11,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-20 16:52:11,373 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:11,373 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-02-20 16:52:11,382 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:11,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 16:52:11,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:11,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 16:52:11,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:52:11,383 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-02-20 16:52:11,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:11,531 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2022-02-20 16:52:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 16:52:11,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-20 16:52:11,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-02-20 16:52:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 56 transitions. [2022-02-20 16:52:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-02-20 16:52:11,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 56 transitions. [2022-02-20 16:52:11,534 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 56 transitions. [2022-02-20 16:52:11,584 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:11,588 INFO L225 Difference]: With dead ends: 50 [2022-02-20 16:52:11,588 INFO L226 Difference]: Without dead ends: 48 [2022-02-20 16:52:11,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 16:52:11,592 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 27 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:11,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 67 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:52:11,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-02-20 16:52:11,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 32. [2022-02-20 16:52:11,599 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:11,599 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand has 32 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:11,600 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand has 32 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:11,600 INFO L87 Difference]: Start difference. First operand 48 states. Second operand has 32 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:11,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:11,603 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2022-02-20 16:52:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2022-02-20 16:52:11,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:11,604 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:11,604 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 48 states. [2022-02-20 16:52:11,604 INFO L87 Difference]: Start difference. First operand has 32 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 48 states. [2022-02-20 16:52:11,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:11,611 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2022-02-20 16:52:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2022-02-20 16:52:11,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:11,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:11,611 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:11,611 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-02-20 16:52:11,612 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 10 [2022-02-20 16:52:11,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:11,612 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-02-20 16:52:11,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2022-02-20 16:52:11,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-02-20 16:52:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 16:52:11,613 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:11,613 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:11,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 16:52:11,613 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 16:52:11,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:11,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1594081566, now seen corresponding path program 1 times [2022-02-20 16:52:11,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:11,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956575996] [2022-02-20 16:52:11,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:11,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:11,815 INFO L290 TraceCheckUtils]: 0: Hoare triple {517#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {517#true} is VALID [2022-02-20 16:52:11,817 INFO L290 TraceCheckUtils]: 1: Hoare triple {517#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {519#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 16:52:11,818 INFO L290 TraceCheckUtils]: 2: Hoare triple {519#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {519#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 16:52:11,820 INFO L290 TraceCheckUtils]: 3: Hoare triple {519#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {520#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 16:52:11,821 INFO L290 TraceCheckUtils]: 4: Hoare triple {520#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} is VALID [2022-02-20 16:52:11,821 INFO L290 TraceCheckUtils]: 5: Hoare triple {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} is VALID [2022-02-20 16:52:11,822 INFO L290 TraceCheckUtils]: 6: Hoare triple {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} is VALID [2022-02-20 16:52:11,822 INFO L290 TraceCheckUtils]: 7: Hoare triple {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:11,828 INFO L290 TraceCheckUtils]: 8: Hoare triple {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:11,829 INFO L290 TraceCheckUtils]: 9: Hoare triple {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:11,831 INFO L290 TraceCheckUtils]: 10: Hoare triple {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {523#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 16:52:11,831 INFO L290 TraceCheckUtils]: 11: Hoare triple {523#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {518#false} is VALID [2022-02-20 16:52:11,831 INFO L290 TraceCheckUtils]: 12: Hoare triple {518#false} assume !false; {518#false} is VALID [2022-02-20 16:52:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:11,832 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:11,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956575996] [2022-02-20 16:52:11,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956575996] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:11,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9205033] [2022-02-20 16:52:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:11,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:11,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:11,834 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) [2022-02-20 16:52:11,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 16:52:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:11,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-20 16:52:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:11,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:11,981 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 [2022-02-20 16:52:11,986 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 [2022-02-20 16:52:12,164 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:52:12,164 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:52:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:12,184 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-02-20 16:52:12,198 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 [2022-02-20 16:52:12,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:12,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:12,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-02-20 16:52:12,348 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-02-20 16:52:12,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:52:12,450 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 [2022-02-20 16:52:12,455 INFO L290 TraceCheckUtils]: 0: Hoare triple {517#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {517#true} is VALID [2022-02-20 16:52:12,456 INFO L290 TraceCheckUtils]: 1: Hoare triple {517#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {530#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:12,457 INFO L290 TraceCheckUtils]: 2: Hoare triple {530#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {530#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:12,458 INFO L290 TraceCheckUtils]: 3: Hoare triple {530#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {537#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:12,459 INFO L290 TraceCheckUtils]: 4: Hoare triple {537#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {541#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:12,460 INFO L290 TraceCheckUtils]: 5: Hoare triple {541#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {541#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:12,461 INFO L290 TraceCheckUtils]: 6: Hoare triple {541#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {541#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:12,461 INFO L290 TraceCheckUtils]: 7: Hoare triple {541#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {551#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 16:52:12,462 INFO L290 TraceCheckUtils]: 8: Hoare triple {551#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {551#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 16:52:12,462 INFO L290 TraceCheckUtils]: 9: Hoare triple {551#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} goto; {551#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 16:52:12,462 INFO L290 TraceCheckUtils]: 10: Hoare triple {551#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {523#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 16:52:12,463 INFO L290 TraceCheckUtils]: 11: Hoare triple {523#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {518#false} is VALID [2022-02-20 16:52:12,463 INFO L290 TraceCheckUtils]: 12: Hoare triple {518#false} assume !false; {518#false} is VALID [2022-02-20 16:52:12,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:12,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:12,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:52:12,995 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-02-20 16:52:12,996 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 1 [2022-02-20 16:52:12,997 INFO L290 TraceCheckUtils]: 12: Hoare triple {518#false} assume !false; {518#false} is VALID [2022-02-20 16:52:13,001 INFO L290 TraceCheckUtils]: 11: Hoare triple {523#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {518#false} is VALID [2022-02-20 16:52:13,001 INFO L290 TraceCheckUtils]: 10: Hoare triple {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {523#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 16:52:13,002 INFO L290 TraceCheckUtils]: 9: Hoare triple {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:13,003 INFO L290 TraceCheckUtils]: 8: Hoare triple {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:13,003 INFO L290 TraceCheckUtils]: 7: Hoare triple {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {522#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:13,005 INFO L290 TraceCheckUtils]: 6: Hoare triple {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} is VALID [2022-02-20 16:52:13,006 INFO L290 TraceCheckUtils]: 5: Hoare triple {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} is VALID [2022-02-20 16:52:13,008 INFO L290 TraceCheckUtils]: 4: Hoare triple {591#(forall ((|v_ULTIMATE.start_main_~end~0#1.base_27| Int) (v_ArrVal_159 (Array Int Int)) (v_ArrVal_158 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_158) |v_ULTIMATE.start_main_~end~0#1.base_27| v_ArrVal_159) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK) (not (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_27|) 0))))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {521#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))} is VALID [2022-02-20 16:52:13,010 INFO L290 TraceCheckUtils]: 3: Hoare triple {595#(forall ((|v_ULTIMATE.start_main_~end~0#1.base_27| Int) (v_ArrVal_154 Int) (|v_ULTIMATE.start_main_~end~0#1.base_28| Int) (v_ArrVal_159 (Array Int Int)) (v_ArrVal_158 (Array Int Int))) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_~end~0#1.base_28| 1) |v_ULTIMATE.start_main_~end~0#1.base_27|) 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_28|) 0)) (= ~unnamed1~0~BLACK (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_154)) |v_ULTIMATE.start_main_~end~0#1.base_28| v_ArrVal_158) |v_ULTIMATE.start_main_~end~0#1.base_27| v_ArrVal_159) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {591#(forall ((|v_ULTIMATE.start_main_~end~0#1.base_27| Int) (v_ArrVal_159 (Array Int Int)) (v_ArrVal_158 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_158) |v_ULTIMATE.start_main_~end~0#1.base_27| v_ArrVal_159) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK) (not (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_27|) 0))))} is VALID [2022-02-20 16:52:13,012 WARN L290 TraceCheckUtils]: 2: Hoare triple {595#(forall ((|v_ULTIMATE.start_main_~end~0#1.base_27| Int) (v_ArrVal_154 Int) (|v_ULTIMATE.start_main_~end~0#1.base_28| Int) (v_ArrVal_159 (Array Int Int)) (v_ArrVal_158 (Array Int Int))) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_~end~0#1.base_28| 1) |v_ULTIMATE.start_main_~end~0#1.base_27|) 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_28|) 0)) (= ~unnamed1~0~BLACK (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_154)) |v_ULTIMATE.start_main_~end~0#1.base_28| v_ArrVal_158) |v_ULTIMATE.start_main_~end~0#1.base_27| v_ArrVal_159) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {595#(forall ((|v_ULTIMATE.start_main_~end~0#1.base_27| Int) (v_ArrVal_154 Int) (|v_ULTIMATE.start_main_~end~0#1.base_28| Int) (v_ArrVal_159 (Array Int Int)) (v_ArrVal_158 (Array Int Int))) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_~end~0#1.base_28| 1) |v_ULTIMATE.start_main_~end~0#1.base_27|) 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_28|) 0)) (= ~unnamed1~0~BLACK (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_154)) |v_ULTIMATE.start_main_~end~0#1.base_28| v_ArrVal_158) |v_ULTIMATE.start_main_~end~0#1.base_27| v_ArrVal_159) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} is UNKNOWN [2022-02-20 16:52:13,014 INFO L290 TraceCheckUtils]: 1: Hoare triple {517#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {595#(forall ((|v_ULTIMATE.start_main_~end~0#1.base_27| Int) (v_ArrVal_154 Int) (|v_ULTIMATE.start_main_~end~0#1.base_28| Int) (v_ArrVal_159 (Array Int Int)) (v_ArrVal_158 (Array Int Int))) (or (not (= (select (store |#valid| |v_ULTIMATE.start_main_~end~0#1.base_28| 1) |v_ULTIMATE.start_main_~end~0#1.base_27|) 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_28|) 0)) (= ~unnamed1~0~BLACK (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_154)) |v_ULTIMATE.start_main_~end~0#1.base_28| v_ArrVal_158) |v_ULTIMATE.start_main_~end~0#1.base_27| v_ArrVal_159) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} is VALID [2022-02-20 16:52:13,014 INFO L290 TraceCheckUtils]: 0: Hoare triple {517#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {517#true} is VALID [2022-02-20 16:52:13,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:13,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9205033] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:52:13,016 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:52:13,016 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-02-20 16:52:13,016 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655204762] [2022-02-20 16:52:13,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:52:13,017 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-02-20 16:52:13,018 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:13,018 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:13,046 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 26 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:13,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-20 16:52:13,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:13,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-20 16:52:13,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2022-02-20 16:52:13,048 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:13,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:13,371 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-02-20 16:52:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 16:52:13,371 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-02-20 16:52:13,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:13,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2022-02-20 16:52:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2022-02-20 16:52:13,373 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 40 transitions. [2022-02-20 16:52:13,406 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:13,407 INFO L225 Difference]: With dead ends: 38 [2022-02-20 16:52:13,407 INFO L226 Difference]: Without dead ends: 36 [2022-02-20 16:52:13,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-02-20 16:52:13,408 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 54 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:13,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 81 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 70 Invalid, 0 Unknown, 16 Unchecked, 0.1s Time] [2022-02-20 16:52:13,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-02-20 16:52:13,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 23. [2022-02-20 16:52:13,410 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:13,410 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:13,410 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:13,410 INFO L87 Difference]: Start difference. First operand 36 states. Second operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:13,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:13,411 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-02-20 16:52:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-02-20 16:52:13,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:13,411 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:13,411 INFO L74 IsIncluded]: Start isIncluded. First operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 36 states. [2022-02-20 16:52:13,412 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 36 states. [2022-02-20 16:52:13,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:13,413 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-02-20 16:52:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-02-20 16:52:13,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:13,413 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:13,413 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:13,413 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-02-20 16:52:13,414 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13 [2022-02-20 16:52:13,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:13,414 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-02-20 16:52:13,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-02-20 16:52:13,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 16:52:13,415 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:13,415 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:13,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:52:13,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:13,620 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 16:52:13,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:13,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1689639521, now seen corresponding path program 1 times [2022-02-20 16:52:13,620 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:13,620 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091316569] [2022-02-20 16:52:13,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:13,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:13,682 INFO L290 TraceCheckUtils]: 0: Hoare triple {754#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {754#true} is VALID [2022-02-20 16:52:13,682 INFO L290 TraceCheckUtils]: 1: Hoare triple {754#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {754#true} is VALID [2022-02-20 16:52:13,682 INFO L290 TraceCheckUtils]: 2: Hoare triple {754#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {754#true} is VALID [2022-02-20 16:52:13,682 INFO L290 TraceCheckUtils]: 3: Hoare triple {754#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {754#true} is VALID [2022-02-20 16:52:13,682 INFO L290 TraceCheckUtils]: 4: Hoare triple {754#true} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {754#true} is VALID [2022-02-20 16:52:13,682 INFO L290 TraceCheckUtils]: 5: Hoare triple {754#true} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {754#true} is VALID [2022-02-20 16:52:13,682 INFO L290 TraceCheckUtils]: 6: Hoare triple {754#true} goto; {754#true} is VALID [2022-02-20 16:52:13,683 INFO L290 TraceCheckUtils]: 7: Hoare triple {754#true} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {756#(= |ULTIMATE.start_main_#t~mem8#1| (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:13,683 INFO L290 TraceCheckUtils]: 8: Hoare triple {756#(= |ULTIMATE.start_main_#t~mem8#1| (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {757#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:13,683 INFO L290 TraceCheckUtils]: 9: Hoare triple {757#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {757#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:52:13,684 INFO L290 TraceCheckUtils]: 10: Hoare triple {757#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {758#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem9#1|)} is VALID [2022-02-20 16:52:13,684 INFO L290 TraceCheckUtils]: 11: Hoare triple {758#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem9#1|)} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {755#false} is VALID [2022-02-20 16:52:13,684 INFO L290 TraceCheckUtils]: 12: Hoare triple {755#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {755#false} is VALID [2022-02-20 16:52:13,684 INFO L290 TraceCheckUtils]: 13: Hoare triple {755#false} assume !false; {755#false} is VALID [2022-02-20 16:52:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:13,685 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:13,685 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091316569] [2022-02-20 16:52:13,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091316569] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:13,685 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:13,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 16:52:13,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118428595] [2022-02-20 16:52:13,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:13,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-02-20 16:52:13,685 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:13,685 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-02-20 16:52:13,693 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:13,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 16:52:13,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:13,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 16:52:13,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:52:13,693 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-02-20 16:52:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:13,799 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-02-20 16:52:13,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 16:52:13,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-02-20 16:52:13,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:13,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-02-20 16:52:13,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2022-02-20 16:52:13,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-02-20 16:52:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2022-02-20 16:52:13,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 43 transitions. [2022-02-20 16:52:13,832 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:13,832 INFO L225 Difference]: With dead ends: 38 [2022-02-20 16:52:13,832 INFO L226 Difference]: Without dead ends: 26 [2022-02-20 16:52:13,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:52:13,833 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:13,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 58 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:52:13,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-02-20 16:52:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-02-20 16:52:13,835 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:13,835 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 25 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-02-20 16:52:13,835 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 25 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-02-20 16:52:13,836 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 25 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-02-20 16:52:13,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:13,836 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-02-20 16:52:13,836 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-02-20 16:52:13,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:13,836 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:13,836 INFO L74 IsIncluded]: Start isIncluded. First operand has 25 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 26 states. [2022-02-20 16:52:13,837 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 26 states. [2022-02-20 16:52:13,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:13,837 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-02-20 16:52:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-02-20 16:52:13,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:13,837 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:13,837 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:13,837 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 24 states have internal predecessors, (28), 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) [2022-02-20 16:52:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-02-20 16:52:13,838 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 14 [2022-02-20 16:52:13,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:13,838 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-02-20 16:52:13,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-02-20 16:52:13,839 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-02-20 16:52:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 16:52:13,839 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:13,839 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:13,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 16:52:13,840 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 16:52:13,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:13,840 INFO L85 PathProgramCache]: Analyzing trace with hash 2084817261, now seen corresponding path program 1 times [2022-02-20 16:52:13,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:13,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816196745] [2022-02-20 16:52:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:13,879 INFO L290 TraceCheckUtils]: 0: Hoare triple {885#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {885#true} is VALID [2022-02-20 16:52:13,880 INFO L290 TraceCheckUtils]: 1: Hoare triple {885#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,881 INFO L290 TraceCheckUtils]: 2: Hoare triple {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,881 INFO L290 TraceCheckUtils]: 3: Hoare triple {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,882 INFO L290 TraceCheckUtils]: 4: Hoare triple {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,882 INFO L290 TraceCheckUtils]: 5: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,882 INFO L290 TraceCheckUtils]: 6: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,889 INFO L290 TraceCheckUtils]: 7: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,890 INFO L290 TraceCheckUtils]: 8: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,890 INFO L290 TraceCheckUtils]: 9: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,891 INFO L290 TraceCheckUtils]: 10: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,891 INFO L290 TraceCheckUtils]: 11: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:13,891 INFO L290 TraceCheckUtils]: 12: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {889#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 16:52:13,892 INFO L290 TraceCheckUtils]: 13: Hoare triple {889#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {886#false} is VALID [2022-02-20 16:52:13,892 INFO L290 TraceCheckUtils]: 14: Hoare triple {886#false} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {886#false} is VALID [2022-02-20 16:52:13,892 INFO L290 TraceCheckUtils]: 15: Hoare triple {886#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {886#false} is VALID [2022-02-20 16:52:13,892 INFO L290 TraceCheckUtils]: 16: Hoare triple {886#false} assume !false; {886#false} is VALID [2022-02-20 16:52:13,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:13,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:13,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816196745] [2022-02-20 16:52:13,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816196745] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:13,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809798316] [2022-02-20 16:52:13,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:13,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:13,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:13,896 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) [2022-02-20 16:52:13,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 16:52:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:13,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-20 16:52:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:13,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:13,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:13,994 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 16 treesize of output 17 [2022-02-20 16:52:13,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:13,999 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 16 treesize of output 17 [2022-02-20 16:52:14,134 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 [2022-02-20 16:52:14,141 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 [2022-02-20 16:52:14,148 INFO L290 TraceCheckUtils]: 0: Hoare triple {885#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {885#true} is VALID [2022-02-20 16:52:14,149 INFO L290 TraceCheckUtils]: 1: Hoare triple {885#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {896#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:14,150 INFO L290 TraceCheckUtils]: 2: Hoare triple {896#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {896#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:14,150 INFO L290 TraceCheckUtils]: 3: Hoare triple {896#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {896#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:14,151 INFO L290 TraceCheckUtils]: 4: Hoare triple {896#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,151 INFO L290 TraceCheckUtils]: 5: Hoare triple {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,152 INFO L290 TraceCheckUtils]: 6: Hoare triple {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,152 INFO L290 TraceCheckUtils]: 7: Hoare triple {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,153 INFO L290 TraceCheckUtils]: 8: Hoare triple {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,153 INFO L290 TraceCheckUtils]: 9: Hoare triple {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,154 INFO L290 TraceCheckUtils]: 10: Hoare triple {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,154 INFO L290 TraceCheckUtils]: 11: Hoare triple {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,155 INFO L290 TraceCheckUtils]: 12: Hoare triple {906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {889#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 16:52:14,157 INFO L290 TraceCheckUtils]: 13: Hoare triple {889#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {886#false} is VALID [2022-02-20 16:52:14,157 INFO L290 TraceCheckUtils]: 14: Hoare triple {886#false} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {886#false} is VALID [2022-02-20 16:52:14,158 INFO L290 TraceCheckUtils]: 15: Hoare triple {886#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {886#false} is VALID [2022-02-20 16:52:14,158 INFO L290 TraceCheckUtils]: 16: Hoare triple {886#false} assume !false; {886#false} is VALID [2022-02-20 16:52:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:14,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:14,279 INFO L290 TraceCheckUtils]: 16: Hoare triple {886#false} assume !false; {886#false} is VALID [2022-02-20 16:52:14,279 INFO L290 TraceCheckUtils]: 15: Hoare triple {886#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {886#false} is VALID [2022-02-20 16:52:14,279 INFO L290 TraceCheckUtils]: 14: Hoare triple {886#false} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {886#false} is VALID [2022-02-20 16:52:14,280 INFO L290 TraceCheckUtils]: 13: Hoare triple {889#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {886#false} is VALID [2022-02-20 16:52:14,280 INFO L290 TraceCheckUtils]: 12: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {889#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 16:52:14,282 INFO L290 TraceCheckUtils]: 11: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,282 INFO L290 TraceCheckUtils]: 10: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,282 INFO L290 TraceCheckUtils]: 9: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,284 INFO L290 TraceCheckUtils]: 8: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,284 INFO L290 TraceCheckUtils]: 7: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,295 INFO L290 TraceCheckUtils]: 6: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,297 INFO L290 TraceCheckUtils]: 5: Hoare triple {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,298 INFO L290 TraceCheckUtils]: 4: Hoare triple {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {888#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,299 INFO L290 TraceCheckUtils]: 3: Hoare triple {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,299 INFO L290 TraceCheckUtils]: 2: Hoare triple {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,300 INFO L290 TraceCheckUtils]: 1: Hoare triple {885#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {887#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,300 INFO L290 TraceCheckUtils]: 0: Hoare triple {885#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {885#true} is VALID [2022-02-20 16:52:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:14,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809798316] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:52:14,301 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:52:14,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2022-02-20 16:52:14,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288245522] [2022-02-20 16:52:14,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:52:14,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 16:52:14,301 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:14,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:14,318 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:14,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 16:52:14,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:14,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 16:52:14,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-20 16:52:14,319 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:14,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:14,469 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2022-02-20 16:52:14,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 16:52:14,470 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 16:52:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-02-20 16:52:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2022-02-20 16:52:14,471 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 52 transitions. [2022-02-20 16:52:14,510 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:14,511 INFO L225 Difference]: With dead ends: 49 [2022-02-20 16:52:14,511 INFO L226 Difference]: Without dead ends: 27 [2022-02-20 16:52:14,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-02-20 16:52:14,512 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 23 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:14,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 60 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:52:14,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-02-20 16:52:14,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-02-20 16:52:14,514 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:14,514 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 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) [2022-02-20 16:52:14,514 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 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) [2022-02-20 16:52:14,514 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 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) [2022-02-20 16:52:14,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:14,514 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-02-20 16:52:14,514 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-02-20 16:52:14,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:14,515 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:14,515 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 27 states. [2022-02-20 16:52:14,515 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 27 states. [2022-02-20 16:52:14,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:14,515 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-02-20 16:52:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-02-20 16:52:14,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:14,516 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:14,516 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:14,516 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:14,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 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) [2022-02-20 16:52:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-02-20 16:52:14,516 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 17 [2022-02-20 16:52:14,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:14,516 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-02-20 16:52:14,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-02-20 16:52:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 16:52:14,517 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:14,517 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:14,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 16:52:14,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-20 16:52:14,717 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 16:52:14,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:14,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1088473273, now seen corresponding path program 1 times [2022-02-20 16:52:14,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:14,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248095442] [2022-02-20 16:52:14,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:14,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:14,834 INFO L290 TraceCheckUtils]: 0: Hoare triple {1134#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {1134#true} is VALID [2022-02-20 16:52:14,836 INFO L290 TraceCheckUtils]: 1: Hoare triple {1134#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1136#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:52:14,836 INFO L290 TraceCheckUtils]: 2: Hoare triple {1136#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1136#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:52:14,837 INFO L290 TraceCheckUtils]: 3: Hoare triple {1136#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1137#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 16:52:14,839 INFO L290 TraceCheckUtils]: 4: Hoare triple {1137#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,839 INFO L290 TraceCheckUtils]: 5: Hoare triple {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,840 INFO L290 TraceCheckUtils]: 6: Hoare triple {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,840 INFO L290 TraceCheckUtils]: 7: Hoare triple {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,840 INFO L290 TraceCheckUtils]: 8: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,841 INFO L290 TraceCheckUtils]: 9: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} goto; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,841 INFO L290 TraceCheckUtils]: 10: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,841 INFO L290 TraceCheckUtils]: 11: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,842 INFO L290 TraceCheckUtils]: 12: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} goto; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,842 INFO L290 TraceCheckUtils]: 13: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,842 INFO L290 TraceCheckUtils]: 14: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:52:14,843 INFO L290 TraceCheckUtils]: 15: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {1140#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,843 INFO L290 TraceCheckUtils]: 16: Hoare triple {1140#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1140#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:52:14,843 INFO L290 TraceCheckUtils]: 17: Hoare triple {1140#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1141#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} is VALID [2022-02-20 16:52:14,844 INFO L290 TraceCheckUtils]: 18: Hoare triple {1141#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1135#false} is VALID [2022-02-20 16:52:14,844 INFO L290 TraceCheckUtils]: 19: Hoare triple {1135#false} assume !false; {1135#false} is VALID [2022-02-20 16:52:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:14,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:14,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248095442] [2022-02-20 16:52:14,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248095442] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:14,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812235571] [2022-02-20 16:52:14,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:14,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:14,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:14,845 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) [2022-02-20 16:52:14,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 16:52:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:14,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 52 conjunts are in the unsatisfiable core [2022-02-20 16:52:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:14,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:14,950 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 [2022-02-20 16:52:14,990 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 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:52:14,999 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:52:14,999 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:52:15,004 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 [2022-02-20 16:52:15,013 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 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:52:15,021 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:52:15,021 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:52:15,027 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 [2022-02-20 16:52:15,042 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:52:15,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:52:15,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:15,128 INFO L356 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2022-02-20 16:52:15,128 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 52 [2022-02-20 16:52:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:15,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 39 [2022-02-20 16:52:15,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 15 [2022-02-20 16:52:15,180 INFO L356 Elim1Store]: treesize reduction 8, result has 82.2 percent of original size [2022-02-20 16:52:15,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 46 [2022-02-20 16:52:15,427 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 67 treesize of output 47 [2022-02-20 16:52:15,535 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:52:15,535 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 23 [2022-02-20 16:52:15,559 INFO L290 TraceCheckUtils]: 0: Hoare triple {1134#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {1134#true} is VALID [2022-02-20 16:52:15,560 INFO L290 TraceCheckUtils]: 1: Hoare triple {1134#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1148#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:15,560 INFO L290 TraceCheckUtils]: 2: Hoare triple {1148#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1148#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:15,561 INFO L290 TraceCheckUtils]: 3: Hoare triple {1148#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1155#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:52:15,563 INFO L290 TraceCheckUtils]: 4: Hoare triple {1155#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1159#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)))} is VALID [2022-02-20 16:52:15,563 INFO L290 TraceCheckUtils]: 5: Hoare triple {1159#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1159#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)))} is VALID [2022-02-20 16:52:15,564 INFO L290 TraceCheckUtils]: 6: Hoare triple {1159#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1159#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)))} is VALID [2022-02-20 16:52:15,564 INFO L290 TraceCheckUtils]: 7: Hoare triple {1159#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} is VALID [2022-02-20 16:52:15,565 INFO L290 TraceCheckUtils]: 8: Hoare triple {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} is VALID [2022-02-20 16:52:15,566 INFO L290 TraceCheckUtils]: 9: Hoare triple {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} goto; {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} is VALID [2022-02-20 16:52:15,566 INFO L290 TraceCheckUtils]: 10: Hoare triple {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} is VALID [2022-02-20 16:52:15,567 INFO L290 TraceCheckUtils]: 11: Hoare triple {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} is VALID [2022-02-20 16:52:15,567 INFO L290 TraceCheckUtils]: 12: Hoare triple {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} goto; {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} is VALID [2022-02-20 16:52:15,568 INFO L290 TraceCheckUtils]: 13: Hoare triple {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} is VALID [2022-02-20 16:52:15,569 INFO L290 TraceCheckUtils]: 14: Hoare triple {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} is VALID [2022-02-20 16:52:15,570 INFO L290 TraceCheckUtils]: 15: Hoare triple {1169#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {1194#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~end~0#1.base_37| Int)) (and (not (= |v_ULTIMATE.start_main_~end~0#1.base_37| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|) 0)) (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)))))} is VALID [2022-02-20 16:52:15,571 INFO L290 TraceCheckUtils]: 16: Hoare triple {1194#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~end~0#1.base_37| Int)) (and (not (= |v_ULTIMATE.start_main_~end~0#1.base_37| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|) 0)) (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1194#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~end~0#1.base_37| Int)) (and (not (= |v_ULTIMATE.start_main_~end~0#1.base_37| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|) 0)) (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)))))} is VALID [2022-02-20 16:52:15,571 INFO L290 TraceCheckUtils]: 17: Hoare triple {1194#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~end~0#1.base_37| Int)) (and (not (= |v_ULTIMATE.start_main_~end~0#1.base_37| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)) |ULTIMATE.start_main_~end~0#1.offset|) 0)) (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_37|) 0)))))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1141#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} is VALID [2022-02-20 16:52:15,572 INFO L290 TraceCheckUtils]: 18: Hoare triple {1141#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1135#false} is VALID [2022-02-20 16:52:15,572 INFO L290 TraceCheckUtils]: 19: Hoare triple {1135#false} assume !false; {1135#false} is VALID [2022-02-20 16:52:15,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:15,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:15,671 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:15,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 41 [2022-02-20 16:52:15,683 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_5 (Array Int Int)) (v_ArrVal_328 (Array Int Int)) (v_ArrVal_329 (Array Int Int)) (v_ArrVal_335 (Array Int Int))) (let ((.cse0 (select v_arrayElimArr_5 |c_ULTIMATE.start_main_~end~0#1.offset|))) (or (= .cse0 0) (not (= (select (let ((.cse1 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base| v_arrayElimArr_5) .cse0 v_ArrVal_335))) (select .cse1 (select (select .cse1 |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_328) .cse0 v_ArrVal_329) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) 0)) (not (= (select |c_#valid| .cse0) 0))))) is different from false [2022-02-20 16:52:15,737 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:15,737 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 64 treesize of output 65 [2022-02-20 16:52:15,748 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:15,749 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 56 treesize of output 49 [2022-02-20 16:52:15,802 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:15,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 1524 treesize of output 1125 [2022-02-20 16:52:15,869 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:15,869 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1155 treesize of output 979 [2022-02-20 16:52:15,960 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:15,960 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 1363 treesize of output 1330 [2022-02-20 16:52:16,051 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 1315 treesize of output 1275 [2022-02-20 16:52:16,103 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 1275 treesize of output 1255 [2022-02-20 16:52:16,185 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:16,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 981 treesize of output 957 [2022-02-20 16:53:00,017 INFO L290 TraceCheckUtils]: 19: Hoare triple {1135#false} assume !false; {1135#false} is VALID [2022-02-20 16:53:00,018 INFO L290 TraceCheckUtils]: 18: Hoare triple {1141#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1135#false} is VALID [2022-02-20 16:53:00,018 INFO L290 TraceCheckUtils]: 17: Hoare triple {1140#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1141#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} is VALID [2022-02-20 16:53:00,019 INFO L290 TraceCheckUtils]: 16: Hoare triple {1140#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1140#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:00,019 INFO L290 TraceCheckUtils]: 15: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {1140#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:00,019 INFO L290 TraceCheckUtils]: 14: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,020 INFO L290 TraceCheckUtils]: 13: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,020 INFO L290 TraceCheckUtils]: 12: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} goto; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,020 INFO L290 TraceCheckUtils]: 11: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,023 INFO L290 TraceCheckUtils]: 10: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,023 INFO L290 TraceCheckUtils]: 9: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} goto; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,024 INFO L290 TraceCheckUtils]: 8: Hoare triple {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,024 INFO L290 TraceCheckUtils]: 7: Hoare triple {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1139#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,025 INFO L290 TraceCheckUtils]: 6: Hoare triple {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,025 INFO L290 TraceCheckUtils]: 5: Hoare triple {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:00,031 WARN L290 TraceCheckUtils]: 4: Hoare triple {1252#(forall ((v_arrayElimArr_5 (Array Int Int)) (v_ArrVal_328 (Array Int Int)) (v_ArrVal_329 (Array Int Int)) (v_ArrVal_335 (Array Int Int))) (or (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_arrayElimArr_5) (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_335) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_arrayElimArr_5) (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_335) |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_328) (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_329) |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)) (not (= (select |#valid| (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|) 0)))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1138#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} is UNKNOWN [2022-02-20 16:53:00,032 INFO L290 TraceCheckUtils]: 3: Hoare triple {1256#(forall ((v_arrayElimCell_27 Int) (v_arrayElimCell_33 Int)) (or (not (= (select (store |#valid| v_arrayElimCell_27 1) v_arrayElimCell_33) 0)) (not (= (select |#valid| v_arrayElimCell_27) 0)) (and (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_33)) (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_27)) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (= v_arrayElimCell_33 0)))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1252#(forall ((v_arrayElimArr_5 (Array Int Int)) (v_ArrVal_328 (Array Int Int)) (v_ArrVal_329 (Array Int Int)) (v_ArrVal_335 (Array Int Int))) (or (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_arrayElimArr_5) (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_335) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_arrayElimArr_5) (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_335) |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_328) (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_329) |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)) (not (= (select |#valid| (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (= (select v_arrayElimArr_5 |ULTIMATE.start_main_~end~0#1.offset|) 0)))} is VALID [2022-02-20 16:53:00,033 INFO L290 TraceCheckUtils]: 2: Hoare triple {1256#(forall ((v_arrayElimCell_27 Int) (v_arrayElimCell_33 Int)) (or (not (= (select (store |#valid| v_arrayElimCell_27 1) v_arrayElimCell_33) 0)) (not (= (select |#valid| v_arrayElimCell_27) 0)) (and (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_33)) (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_27)) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (= v_arrayElimCell_33 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1256#(forall ((v_arrayElimCell_27 Int) (v_arrayElimCell_33 Int)) (or (not (= (select (store |#valid| v_arrayElimCell_27 1) v_arrayElimCell_33) 0)) (not (= (select |#valid| v_arrayElimCell_27) 0)) (and (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_33)) (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_27)) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (= v_arrayElimCell_33 0)))} is VALID [2022-02-20 16:53:00,034 INFO L290 TraceCheckUtils]: 1: Hoare triple {1134#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1256#(forall ((v_arrayElimCell_27 Int) (v_arrayElimCell_33 Int)) (or (not (= (select (store |#valid| v_arrayElimCell_27 1) v_arrayElimCell_33) 0)) (not (= (select |#valid| v_arrayElimCell_27) 0)) (and (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_33)) (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_27)) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (= v_arrayElimCell_33 0)))} is VALID [2022-02-20 16:53:00,034 INFO L290 TraceCheckUtils]: 0: Hoare triple {1134#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {1134#true} is VALID [2022-02-20 16:53:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:00,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812235571] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:00,035 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:53:00,035 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-20 16:53:00,035 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124301825] [2022-02-20 16:53:00,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:00,035 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 16:53:00,036 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:00,036 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,086 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 40 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:00,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-20 16:53:00,086 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:53:00,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-20 16:53:00,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=151, Unknown=1, NotChecked=24, Total=210 [2022-02-20 16:53:00,087 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:00,660 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2022-02-20 16:53:00,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-20 16:53:00,660 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 16:53:00,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 73 transitions. [2022-02-20 16:53:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 73 transitions. [2022-02-20 16:53:00,662 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 73 transitions. [2022-02-20 16:53:00,732 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:00,735 INFO L225 Difference]: With dead ends: 66 [2022-02-20 16:53:00,735 INFO L226 Difference]: Without dead ends: 64 [2022-02-20 16:53:00,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=379, Unknown=1, NotChecked=40, Total=506 [2022-02-20 16:53:00,736 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 69 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:00,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 153 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 138 Invalid, 0 Unknown, 77 Unchecked, 0.2s Time] [2022-02-20 16:53:00,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-02-20 16:53:00,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 42. [2022-02-20 16:53:00,744 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:00,744 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand has 42 states, 40 states have (on average 1.2) internal successors, (48), 41 states have internal predecessors, (48), 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) [2022-02-20 16:53:00,745 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand has 42 states, 40 states have (on average 1.2) internal successors, (48), 41 states have internal predecessors, (48), 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) [2022-02-20 16:53:00,745 INFO L87 Difference]: Start difference. First operand 64 states. Second operand has 42 states, 40 states have (on average 1.2) internal successors, (48), 41 states have internal predecessors, (48), 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) [2022-02-20 16:53:00,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:00,746 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2022-02-20 16:53:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2022-02-20 16:53:00,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:00,748 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:00,748 INFO L74 IsIncluded]: Start isIncluded. First operand has 42 states, 40 states have (on average 1.2) internal successors, (48), 41 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 64 states. [2022-02-20 16:53:00,748 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.2) internal successors, (48), 41 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 64 states. [2022-02-20 16:53:00,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:00,750 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2022-02-20 16:53:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2022-02-20 16:53:00,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:00,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:00,750 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:00,751 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.2) internal successors, (48), 41 states have internal predecessors, (48), 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) [2022-02-20 16:53:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2022-02-20 16:53:00,752 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 20 [2022-02-20 16:53:00,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:00,752 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2022-02-20 16:53:00,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-02-20 16:53:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 16:53:00,753 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:00,753 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:00,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:00,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:00,959 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 16:53:00,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:00,960 INFO L85 PathProgramCache]: Analyzing trace with hash -67404919, now seen corresponding path program 1 times [2022-02-20 16:53:00,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:53:00,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797352633] [2022-02-20 16:53:00,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:00,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:53:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:01,190 INFO L290 TraceCheckUtils]: 0: Hoare triple {1534#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {1534#true} is VALID [2022-02-20 16:53:01,192 INFO L290 TraceCheckUtils]: 1: Hoare triple {1534#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1536#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,192 INFO L290 TraceCheckUtils]: 2: Hoare triple {1536#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1536#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,193 INFO L290 TraceCheckUtils]: 3: Hoare triple {1536#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1537#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:53:01,194 INFO L290 TraceCheckUtils]: 4: Hoare triple {1537#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1538#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,194 INFO L290 TraceCheckUtils]: 5: Hoare triple {1538#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1538#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,195 INFO L290 TraceCheckUtils]: 6: Hoare triple {1538#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1538#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,195 INFO L290 TraceCheckUtils]: 7: Hoare triple {1538#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1539#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,196 INFO L290 TraceCheckUtils]: 8: Hoare triple {1539#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1539#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,196 INFO L290 TraceCheckUtils]: 9: Hoare triple {1539#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {1539#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,197 INFO L290 TraceCheckUtils]: 10: Hoare triple {1539#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1540#(and (= |ULTIMATE.start_main_#t~mem8#1| (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,198 INFO L290 TraceCheckUtils]: 11: Hoare triple {1540#(and (= |ULTIMATE.start_main_#t~mem8#1| (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {1541#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4) (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,199 INFO L290 TraceCheckUtils]: 12: Hoare triple {1541#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4) (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {1541#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4) (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,199 INFO L290 TraceCheckUtils]: 13: Hoare triple {1541#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4) (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1542#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_#t~mem9#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)))} is VALID [2022-02-20 16:53:01,199 INFO L290 TraceCheckUtils]: 14: Hoare triple {1542#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_#t~mem9#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {1543#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,202 INFO L290 TraceCheckUtils]: 15: Hoare triple {1543#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {1544#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,203 INFO L290 TraceCheckUtils]: 16: Hoare triple {1544#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1545#(and (not (= |ULTIMATE.start_main_#t~mem9#1| ~unnamed1~0~RED)) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,206 INFO L290 TraceCheckUtils]: 17: Hoare triple {1545#(and (not (= |ULTIMATE.start_main_#t~mem9#1| ~unnamed1~0~RED)) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1535#false} is VALID [2022-02-20 16:53:01,207 INFO L290 TraceCheckUtils]: 18: Hoare triple {1535#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1535#false} is VALID [2022-02-20 16:53:01,207 INFO L290 TraceCheckUtils]: 19: Hoare triple {1535#false} assume !false; {1535#false} is VALID [2022-02-20 16:53:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:01,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:53:01,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797352633] [2022-02-20 16:53:01,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797352633] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:53:01,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63423031] [2022-02-20 16:53:01,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:01,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:01,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:53:01,208 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:53:01,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 16:53:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:01,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-20 16:53:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:01,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:01,319 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 [2022-02-20 16:53:01,369 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 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:01,376 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:01,377 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:53:01,386 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 [2022-02-20 16:53:01,393 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 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:01,402 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:01,402 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:53:01,410 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 [2022-02-20 16:53:01,422 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:53:01,422 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 [2022-02-20 16:53:01,468 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:53:01,469 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 50 treesize of output 47 [2022-02-20 16:53:01,473 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 18 treesize of output 20 [2022-02-20 16:53:01,477 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 21 treesize of output 13 [2022-02-20 16:53:01,784 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 29 treesize of output 17 [2022-02-20 16:53:01,821 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-02-20 16:53:01,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:53:01,945 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:01,945 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 17 treesize of output 10 [2022-02-20 16:53:01,977 INFO L290 TraceCheckUtils]: 0: Hoare triple {1534#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {1534#true} is VALID [2022-02-20 16:53:01,978 INFO L290 TraceCheckUtils]: 1: Hoare triple {1534#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1536#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,980 INFO L290 TraceCheckUtils]: 2: Hoare triple {1536#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1536#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,981 INFO L290 TraceCheckUtils]: 3: Hoare triple {1536#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1537#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:53:01,982 INFO L290 TraceCheckUtils]: 4: Hoare triple {1537#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1561#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,983 INFO L290 TraceCheckUtils]: 5: Hoare triple {1561#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1561#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,983 INFO L290 TraceCheckUtils]: 6: Hoare triple {1561#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1561#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:01,984 INFO L290 TraceCheckUtils]: 7: Hoare triple {1561#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:01,984 INFO L290 TraceCheckUtils]: 8: Hoare triple {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:01,985 INFO L290 TraceCheckUtils]: 9: Hoare triple {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} goto; {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:01,985 INFO L290 TraceCheckUtils]: 10: Hoare triple {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:01,986 INFO L290 TraceCheckUtils]: 11: Hoare triple {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:01,986 INFO L290 TraceCheckUtils]: 12: Hoare triple {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} goto; {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:01,987 INFO L290 TraceCheckUtils]: 13: Hoare triple {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:01,987 INFO L290 TraceCheckUtils]: 14: Hoare triple {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:01,988 INFO L290 TraceCheckUtils]: 15: Hoare triple {1571#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {1596#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~end~0#1.offset_45| Int)) (and (<= |v_ULTIMATE.start_main_~end~0#1.offset_45| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |v_ULTIMATE.start_main_~end~0#1.offset_45| 4))) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_45|))))} is VALID [2022-02-20 16:53:01,988 INFO L290 TraceCheckUtils]: 16: Hoare triple {1596#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~end~0#1.offset_45| Int)) (and (<= |v_ULTIMATE.start_main_~end~0#1.offset_45| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |v_ULTIMATE.start_main_~end~0#1.offset_45| 4))) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_45|))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1600#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem9#1|)} is VALID [2022-02-20 16:53:01,989 INFO L290 TraceCheckUtils]: 17: Hoare triple {1600#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem9#1|)} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1535#false} is VALID [2022-02-20 16:53:01,989 INFO L290 TraceCheckUtils]: 18: Hoare triple {1535#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1535#false} is VALID [2022-02-20 16:53:01,989 INFO L290 TraceCheckUtils]: 19: Hoare triple {1535#false} assume !false; {1535#false} is VALID [2022-02-20 16:53:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:01,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:02,099 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 82 treesize of output 62 [2022-02-20 16:53:02,112 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_418 (Array Int Int))) (= (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_418) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|) 4) (+ |c_ULTIMATE.start_main_~end~0#1.offset| 4))) (forall ((v_ArrVal_417 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_417) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|) |c_ULTIMATE.start_main_~end~0#1.base|))) is different from false [2022-02-20 16:53:02,138 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:02,138 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 39 treesize of output 40 [2022-02-20 16:53:02,142 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:02,148 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 40 treesize of output 40 [2022-02-20 16:53:02,157 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:02,157 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 52 treesize of output 55 [2022-02-20 16:53:02,168 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:02,168 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 69 treesize of output 72 [2022-02-20 16:53:02,186 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 41 treesize of output 39 [2022-02-20 16:53:02,194 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 39 treesize of output 37 [2022-02-20 16:53:02,342 INFO L290 TraceCheckUtils]: 19: Hoare triple {1535#false} assume !false; {1535#false} is VALID [2022-02-20 16:53:02,342 INFO L290 TraceCheckUtils]: 18: Hoare triple {1535#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1535#false} is VALID [2022-02-20 16:53:02,343 INFO L290 TraceCheckUtils]: 17: Hoare triple {1616#(not (= |ULTIMATE.start_main_#t~mem9#1| ~unnamed1~0~RED))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1535#false} is VALID [2022-02-20 16:53:02,343 INFO L290 TraceCheckUtils]: 16: Hoare triple {1620#(not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1616#(not (= |ULTIMATE.start_main_#t~mem9#1| ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,344 INFO L290 TraceCheckUtils]: 15: Hoare triple {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {1620#(not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))))} is VALID [2022-02-20 16:53:02,344 INFO L290 TraceCheckUtils]: 14: Hoare triple {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,344 INFO L290 TraceCheckUtils]: 13: Hoare triple {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,345 INFO L290 TraceCheckUtils]: 12: Hoare triple {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} goto; {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,345 INFO L290 TraceCheckUtils]: 11: Hoare triple {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,345 INFO L290 TraceCheckUtils]: 10: Hoare triple {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,346 INFO L290 TraceCheckUtils]: 9: Hoare triple {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} goto; {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,346 INFO L290 TraceCheckUtils]: 8: Hoare triple {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,346 INFO L290 TraceCheckUtils]: 7: Hoare triple {1649#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4)) ~unnamed1~0~RED))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1624#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,347 INFO L290 TraceCheckUtils]: 6: Hoare triple {1649#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4)) ~unnamed1~0~RED))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1649#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,347 INFO L290 TraceCheckUtils]: 5: Hoare triple {1649#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4)) ~unnamed1~0~RED))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1649#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,348 INFO L290 TraceCheckUtils]: 4: Hoare triple {1659#(and (forall ((v_ArrVal_418 (Array Int Int))) (= (+ 4 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_418) |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (forall ((v_ArrVal_417 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_417) |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1649#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 16:53:02,354 INFO L290 TraceCheckUtils]: 3: Hoare triple {1663#(forall ((v_arrayElimCell_55 Int)) (or (and (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_55)) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (not (= (select |#valid| v_arrayElimCell_55) 0))))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1659#(and (forall ((v_ArrVal_418 (Array Int Int))) (= (+ 4 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_418) |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (forall ((v_ArrVal_417 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_417) |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))))} is VALID [2022-02-20 16:53:02,354 INFO L290 TraceCheckUtils]: 2: Hoare triple {1663#(forall ((v_arrayElimCell_55 Int)) (or (and (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_55)) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (not (= (select |#valid| v_arrayElimCell_55) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1663#(forall ((v_arrayElimCell_55 Int)) (or (and (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_55)) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (not (= (select |#valid| v_arrayElimCell_55) 0))))} is VALID [2022-02-20 16:53:02,368 INFO L290 TraceCheckUtils]: 1: Hoare triple {1534#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1663#(forall ((v_arrayElimCell_55 Int)) (or (and (not (= |ULTIMATE.start_main_~list~0#1.base| v_arrayElimCell_55)) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (not (= (select |#valid| v_arrayElimCell_55) 0))))} is VALID [2022-02-20 16:53:02,368 INFO L290 TraceCheckUtils]: 0: Hoare triple {1534#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {1534#true} is VALID [2022-02-20 16:53:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:02,368 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63423031] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:02,368 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:53:02,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2022-02-20 16:53:02,369 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684606524] [2022-02-20 16:53:02,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:02,369 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 22 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 16:53:02,369 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:02,369 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 22 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 22 states have internal predecessors, (51), 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) [2022-02-20 16:53:02,408 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:02,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-20 16:53:02,409 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:53:02,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-20 16:53:02,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=364, Unknown=1, NotChecked=38, Total=462 [2022-02-20 16:53:02,409 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 22 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 22 states have internal predecessors, (51), 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) [2022-02-20 16:53:03,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:03,234 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2022-02-20 16:53:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 16:53:03,234 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 22 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 16:53:03,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 22 states have internal predecessors, (51), 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) [2022-02-20 16:53:03,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 62 transitions. [2022-02-20 16:53:03,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 22 states have internal predecessors, (51), 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) [2022-02-20 16:53:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 62 transitions. [2022-02-20 16:53:03,236 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 62 transitions. [2022-02-20 16:53:03,285 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:03,285 INFO L225 Difference]: With dead ends: 70 [2022-02-20 16:53:03,286 INFO L226 Difference]: Without dead ends: 58 [2022-02-20 16:53:03,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=136, Invalid=623, Unknown=1, NotChecked=52, Total=812 [2022-02-20 16:53:03,287 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 37 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 58 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:03,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 196 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 164 Invalid, 0 Unknown, 58 Unchecked, 0.2s Time] [2022-02-20 16:53:03,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-02-20 16:53:03,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 53. [2022-02-20 16:53:03,298 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:03,298 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 53 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:03,299 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 53 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:03,299 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 53 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:03,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:03,300 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2022-02-20 16:53:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2022-02-20 16:53:03,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:03,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:03,301 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 58 states. [2022-02-20 16:53:03,301 INFO L87 Difference]: Start difference. First operand has 53 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 58 states. [2022-02-20 16:53:03,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:03,302 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2022-02-20 16:53:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2022-02-20 16:53:03,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:03,302 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:03,302 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:03,302 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:03,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 51 states have (on average 1.1764705882352942) internal successors, (60), 52 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2022-02-20 16:53:03,304 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 20 [2022-02-20 16:53:03,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:03,304 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2022-02-20 16:53:03,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 22 states have internal predecessors, (51), 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) [2022-02-20 16:53:03,305 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2022-02-20 16:53:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 16:53:03,305 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:03,305 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:03,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:03,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:03,522 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 16:53:03,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:03,522 INFO L85 PathProgramCache]: Analyzing trace with hash 299800945, now seen corresponding path program 1 times [2022-02-20 16:53:03,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:53:03,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192467812] [2022-02-20 16:53:03,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:03,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:53:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:03,696 INFO L290 TraceCheckUtils]: 0: Hoare triple {1948#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {1948#true} is VALID [2022-02-20 16:53:03,698 INFO L290 TraceCheckUtils]: 1: Hoare triple {1948#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1950#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:03,698 INFO L290 TraceCheckUtils]: 2: Hoare triple {1950#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1950#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:03,699 INFO L290 TraceCheckUtils]: 3: Hoare triple {1950#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1951#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:03,701 INFO L290 TraceCheckUtils]: 4: Hoare triple {1951#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1952#(and (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 16:53:03,701 INFO L290 TraceCheckUtils]: 5: Hoare triple {1952#(and (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1952#(and (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 16:53:03,702 INFO L290 TraceCheckUtils]: 6: Hoare triple {1952#(and (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1952#(and (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 16:53:03,703 INFO L290 TraceCheckUtils]: 7: Hoare triple {1952#(and (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} is VALID [2022-02-20 16:53:03,706 INFO L290 TraceCheckUtils]: 8: Hoare triple {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} is VALID [2022-02-20 16:53:03,706 INFO L290 TraceCheckUtils]: 9: Hoare triple {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} goto; {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} is VALID [2022-02-20 16:53:03,707 INFO L290 TraceCheckUtils]: 10: Hoare triple {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} is VALID [2022-02-20 16:53:03,707 INFO L290 TraceCheckUtils]: 11: Hoare triple {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} is VALID [2022-02-20 16:53:03,707 INFO L290 TraceCheckUtils]: 12: Hoare triple {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} goto; {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} is VALID [2022-02-20 16:53:03,708 INFO L290 TraceCheckUtils]: 13: Hoare triple {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} is VALID [2022-02-20 16:53:03,708 INFO L290 TraceCheckUtils]: 14: Hoare triple {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} is VALID [2022-02-20 16:53:03,709 INFO L290 TraceCheckUtils]: 15: Hoare triple {1953#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) 4)))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {1954#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,709 INFO L290 TraceCheckUtils]: 16: Hoare triple {1954#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1954#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,710 INFO L290 TraceCheckUtils]: 17: Hoare triple {1954#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:53:03,710 INFO L290 TraceCheckUtils]: 18: Hoare triple {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:53:03,710 INFO L290 TraceCheckUtils]: 19: Hoare triple {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:53:03,711 INFO L290 TraceCheckUtils]: 20: Hoare triple {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} call main_#t~mem11#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1956#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem11#1|)} is VALID [2022-02-20 16:53:03,711 INFO L290 TraceCheckUtils]: 21: Hoare triple {1956#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem11#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem11#1);havoc main_#t~mem11#1; {1949#false} is VALID [2022-02-20 16:53:03,711 INFO L290 TraceCheckUtils]: 22: Hoare triple {1949#false} assume !false; {1949#false} is VALID [2022-02-20 16:53:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:03,711 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:53:03,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192467812] [2022-02-20 16:53:03,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192467812] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:53:03,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24330813] [2022-02-20 16:53:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:03,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:03,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:53:03,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:53:03,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 16:53:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:03,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-20 16:53:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:03,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:03,813 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 [2022-02-20 16:53:03,879 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 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:03,888 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:03,888 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:53:03,892 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 [2022-02-20 16:53:03,908 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:53:03,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:53:03,920 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:03,929 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 [2022-02-20 16:53:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:04,036 INFO L356 Elim1Store]: treesize reduction 31, result has 31.1 percent of original size [2022-02-20 16:53:04,036 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 50 treesize of output 51 [2022-02-20 16:53:04,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:04,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2022-02-20 16:53:04,083 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 12 treesize of output 11 [2022-02-20 16:53:04,095 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 21 treesize of output 17 [2022-02-20 16:53:04,115 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-02-20 16:53:04,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 16:53:04,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-02-20 16:53:04,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:53:04,852 INFO L356 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2022-02-20 16:53:04,852 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 46 [2022-02-20 16:53:04,976 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 16:53:04,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2022-02-20 16:53:05,048 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 19 treesize of output 7 [2022-02-20 16:53:05,051 INFO L290 TraceCheckUtils]: 0: Hoare triple {1948#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2); {1948#true} is VALID [2022-02-20 16:53:05,052 INFO L290 TraceCheckUtils]: 1: Hoare triple {1948#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~nondet2#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~mem13#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_~list~0#1.base, main_~list~0#1.offset, main_~end~0#1.base, main_~end~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~list~0#1.base, main_~list~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1950#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:05,053 INFO L290 TraceCheckUtils]: 2: Hoare triple {1950#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1950#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:05,054 INFO L290 TraceCheckUtils]: 3: Hoare triple {1950#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !!(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1969#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:05,056 INFO L290 TraceCheckUtils]: 4: Hoare triple {1969#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= |ULTIMATE.start_main_~end~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4);havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4);call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1973#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:05,056 INFO L290 TraceCheckUtils]: 5: Hoare triple {1973#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1973#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:05,057 INFO L290 TraceCheckUtils]: 6: Hoare triple {1973#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {1973#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 16:53:05,057 INFO L290 TraceCheckUtils]: 7: Hoare triple {1973#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))) (<= 0 |ULTIMATE.start_main_~list~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:05,058 INFO L290 TraceCheckUtils]: 8: Hoare triple {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:05,059 INFO L290 TraceCheckUtils]: 9: Hoare triple {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} goto; {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:05,060 INFO L290 TraceCheckUtils]: 10: Hoare triple {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:05,060 INFO L290 TraceCheckUtils]: 11: Hoare triple {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:05,061 INFO L290 TraceCheckUtils]: 12: Hoare triple {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} goto; {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:05,062 INFO L290 TraceCheckUtils]: 13: Hoare triple {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:05,062 INFO L290 TraceCheckUtils]: 14: Hoare triple {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 16:53:05,064 INFO L290 TraceCheckUtils]: 15: Hoare triple {1983#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {2008#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_53| Int) (|v_ULTIMATE.start_main_~end~0#1.base_54| Int)) (and (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_53|) (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|) 0) (not (= |v_ULTIMATE.start_main_~end~0#1.base_54| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0))) (<= |v_ULTIMATE.start_main_~end~0#1.offset_53| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)))))} is VALID [2022-02-20 16:53:05,065 INFO L290 TraceCheckUtils]: 16: Hoare triple {2008#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_53| Int) (|v_ULTIMATE.start_main_~end~0#1.base_54| Int)) (and (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_53|) (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|) 0) (not (= |v_ULTIMATE.start_main_~end~0#1.base_54| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0))) (<= |v_ULTIMATE.start_main_~end~0#1.offset_53| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset);call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {2008#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_53| Int) (|v_ULTIMATE.start_main_~end~0#1.base_54| Int)) (and (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_53|) (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|) 0) (not (= |v_ULTIMATE.start_main_~end~0#1.base_54| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0))) (<= |v_ULTIMATE.start_main_~end~0#1.offset_53| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)))))} is VALID [2022-02-20 16:53:05,065 INFO L290 TraceCheckUtils]: 17: Hoare triple {2008#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_53| Int) (|v_ULTIMATE.start_main_~end~0#1.base_54| Int)) (and (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_53|) (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|) 0) (not (= |v_ULTIMATE.start_main_~end~0#1.base_54| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0))) (<= |v_ULTIMATE.start_main_~end~0#1.offset_53| 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0)) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_54|) |v_ULTIMATE.start_main_~end~0#1.offset_53|)))))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1;call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4);main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:53:05,066 INFO L290 TraceCheckUtils]: 18: Hoare triple {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:53:05,066 INFO L290 TraceCheckUtils]: 19: Hoare triple {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 16:53:05,067 INFO L290 TraceCheckUtils]: 20: Hoare triple {1955#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} call main_#t~mem11#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); {1956#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem11#1|)} is VALID [2022-02-20 16:53:05,067 INFO L290 TraceCheckUtils]: 21: Hoare triple {1956#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem11#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem11#1);havoc main_#t~mem11#1; {1949#false} is VALID [2022-02-20 16:53:05,067 INFO L290 TraceCheckUtils]: 22: Hoare triple {1949#false} assume !false; {1949#false} is VALID [2022-02-20 16:53:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:05,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:05,237 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:05,238 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 95 [2022-02-20 16:53:05,249 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:05,249 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 88 [2022-02-20 16:53:05,254 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 259 treesize of output 181 [2022-02-20 16:53:05,284 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_15 (Array Int Int))) (or (and (forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_551 (Array Int Int)) (v_ArrVal_550 (Array Int Int))) (let ((.cse0 (select v_arrayElimArr_15 |c_ULTIMATE.start_main_~end~0#1.offset|))) (= .cse0 (select (let ((.cse1 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base| v_arrayElimArr_15) .cse0 v_ArrVal_550))) (select .cse1 (select (select .cse1 |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|))) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base| v_arrayElimArr_14) .cse0 v_ArrVal_551) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|))))) (forall ((v_arrayElimArr_14 (Array Int Int)) (v_ArrVal_551 (Array Int Int)) (v_ArrVal_550 (Array Int Int))) (= (let ((.cse3 (select v_arrayElimArr_15 |c_ULTIMATE.start_main_~end~0#1.offset|))) (let ((.cse2 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base| v_arrayElimArr_14) .cse3 v_ArrVal_551))) (select (select .cse2 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base| v_arrayElimArr_15) .cse3 v_ArrVal_550) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) (select (select .cse2 |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)))) (select v_arrayElimArr_14 |c_ULTIMATE.start_main_~end~0#1.offset|)))) (not (= (select |c_#valid| (select v_arrayElimArr_15 |c_ULTIMATE.start_main_~end~0#1.offset|)) 0)))) is different from false [2022-02-20 16:53:05,321 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:05,322 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 131 treesize of output 116 [2022-02-20 16:53:05,329 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:05,329 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 116 treesize of output 100 [2022-02-20 16:53:05,398 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:05,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 1359 treesize of output 1348 [2022-02-20 16:53:06,044 INFO L356 Elim1Store]: treesize reduction 294, result has 60.5 percent of original size [2022-02-20 16:53:06,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 12 new quantified variables, introduced 55 case distinctions, treesize of input 4827 treesize of output 4888 [2022-02-20 16:53:06,208 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:06,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 4899 treesize of output 4255 [2022-02-20 16:53:06,438 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 3476 treesize of output 3260 [2022-02-20 16:53:06,577 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:06,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 3282 treesize of output 3060 [2022-02-20 16:53:06,844 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:06,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 3050 treesize of output 2768 [2022-02-20 16:53:07,147 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:07,149 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2682 treesize of output 2658 [2022-02-20 16:53:07,326 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 411 treesize of output 373 [2022-02-20 16:53:07,539 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 383 treesize of output 357