./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --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 23:55:01,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:55:01,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:55:01,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:55:01,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:55:01,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:55:01,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:55:01,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:55:01,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:55:01,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:55:01,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:55:01,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:55:01,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:55:01,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:55:01,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:55:01,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:55:01,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:55:01,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:55:01,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:55:01,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:55:01,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:55:01,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:55:01,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:55:01,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:55:01,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:55:01,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:55:01,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:55:01,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:55:01,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:55:01,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:55:01,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:55:01,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:55:01,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:55:01,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:55:01,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:55:01,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:55:01,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:55:01,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:55:01,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:55:01,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:55:01,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:55:01,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:55:01,151 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:55:01,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:55:01,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:55:01,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:55:01,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:55:01,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:55:01,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:55:01,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:55:01,153 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:55:01,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:55:01,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:55:01,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:55:01,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:55:01,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:55:01,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:55:01,155 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:55:01,155 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:55:01,155 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:55:01,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:55:01,155 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:55:01,155 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:55:01,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:55:01,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:55:01,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:55:01,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:55:01,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:55:01,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:55:01,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:55:01,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:55:01,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:55:01,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6070ac475d5b3c3d5905eb0c203232134efabc1c427fcfbbf8cf82789693617b [2022-02-20 23:55:01,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:55:01,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:55:01,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:55:01,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:55:01,403 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:55:01,403 INFO L432 ainManager$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 23:55:01,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c259d76e2/2fdfe2f8cc894818bece6a629ef041fd/FLAGaf3b7103c [2022-02-20 23:55:01,847 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:55:01,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-rb-cnstr_1-1.i [2022-02-20 23:55:01,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c259d76e2/2fdfe2f8cc894818bece6a629ef041fd/FLAGaf3b7103c [2022-02-20 23:55:01,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c259d76e2/2fdfe2f8cc894818bece6a629ef041fd [2022-02-20 23:55:01,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:55:01,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:55:01,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:55:01,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:55:01,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:55:01,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:55:01" (1/1) ... [2022-02-20 23:55:01,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a4d0b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:01, skipping insertion in model container [2022-02-20 23:55:01,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:55:01" (1/1) ... [2022-02-20 23:55:01,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:55:01,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:55:02,173 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 23:55:02,188 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 23:55:02,189 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 23:55:02,190 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 23:55:02,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:55:02,202 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:55:02,250 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 23:55:02,250 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 23:55:02,251 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 23:55:02,252 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 23:55:02,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:55:02,279 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:55:02,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02 WrapperNode [2022-02-20 23:55:02,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:55:02,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:55:02,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:55:02,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:55:02,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,314 INFO L137 Inliner]: procedures = 119, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 125 [2022-02-20 23:55:02,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:55:02,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:55:02,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:55:02,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:55:02,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:55:02,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:55:02,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:55:02,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:55:02,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (1/1) ... [2022-02-20 23:55:02,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:55:02,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:02,373 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 23:55:02,389 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 23:55:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:55:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:55:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:55:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:55:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:55:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:55:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:55:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:55:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:55:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:55:02,484 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:55:02,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:55:02,848 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:55:02,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:55:02,853 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-02-20 23:55:02,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:02 BoogieIcfgContainer [2022-02-20 23:55:02,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:55:02,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:55:02,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:55:02,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:55:02,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:55:01" (1/3) ... [2022-02-20 23:55:02,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160166f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:02, skipping insertion in model container [2022-02-20 23:55:02,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:02" (2/3) ... [2022-02-20 23:55:02,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160166f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:02, skipping insertion in model container [2022-02-20 23:55:02,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:02" (3/3) ... [2022-02-20 23:55:02,873 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-rb-cnstr_1-1.i [2022-02-20 23:55:02,876 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:55:02,877 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2022-02-20 23:55:02,942 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:55:02,950 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 23:55:02,950 INFO L340 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2022-02-20 23:55:02,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 66 states have (on average 2.1363636363636362) internal successors, (141), 120 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:02,978 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:02,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:02,980 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:02,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:02,984 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:55:02,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:02,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781158206] [2022-02-20 23:55:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:02,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:03,129 INFO L290 TraceCheckUtils]: 0: Hoare triple {124#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); {124#true} is VALID [2022-02-20 23:55:03,131 INFO L290 TraceCheckUtils]: 1: Hoare triple {124#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {126#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:03,133 INFO L290 TraceCheckUtils]: 2: Hoare triple {126#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} assume !(1 == #valid[main_~list~0#1.base]); {125#false} is VALID [2022-02-20 23:55:03,134 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 23:55:03,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:03,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781158206] [2022-02-20 23:55:03,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781158206] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:03,136 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:03,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:03,138 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117225043] [2022-02-20 23:55:03,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:03,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2022-02-20 23:55:03,144 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:03,146 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,153 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:03,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:03,153 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:03,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:03,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:03,176 INFO L87 Difference]: Start difference. First operand has 121 states, 66 states have (on average 2.1363636363636362) internal successors, (141), 120 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,406 INFO L93 Difference]: Finished difference Result 123 states and 128 transitions. [2022-02-20 23:55:03,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:03,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2022-02-20 23:55:03,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:03,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2022-02-20 23:55:03,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2022-02-20 23:55:03,420 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 151 transitions. [2022-02-20 23:55:03,528 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 151 edges. 151 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:03,539 INFO L225 Difference]: With dead ends: 123 [2022-02-20 23:55:03,539 INFO L226 Difference]: Without dead ends: 119 [2022-02-20 23:55:03,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:03,543 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 103 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:03,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 75 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-02-20 23:55:03,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2022-02-20 23:55:03,568 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:03,569 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand has 115 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 114 states have internal predecessors, (122), 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 23:55:03,569 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand has 115 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 114 states have internal predecessors, (122), 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 23:55:03,570 INFO L87 Difference]: Start difference. First operand 119 states. Second operand has 115 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 114 states have internal predecessors, (122), 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 23:55:03,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,574 INFO L93 Difference]: Finished difference Result 119 states and 124 transitions. [2022-02-20 23:55:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2022-02-20 23:55:03,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,576 INFO L74 IsIncluded]: Start isIncluded. First operand has 115 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 114 states have internal predecessors, (122), 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 119 states. [2022-02-20 23:55:03,576 INFO L87 Difference]: Start difference. First operand has 115 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 114 states have internal predecessors, (122), 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 119 states. [2022-02-20 23:55:03,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,579 INFO L93 Difference]: Finished difference Result 119 states and 124 transitions. [2022-02-20 23:55:03,580 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2022-02-20 23:55:03,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,580 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,580 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:03,581 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 114 states have internal predecessors, (122), 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 23:55:03,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 122 transitions. [2022-02-20 23:55:03,585 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 122 transitions. Word has length 3 [2022-02-20 23:55:03,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:03,585 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 122 transitions. [2022-02-20 23:55:03,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 122 transitions. [2022-02-20 23:55:03,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:03,591 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:03,591 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:03,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:55:03,592 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:03,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:03,593 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:55:03,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:03,593 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331394980] [2022-02-20 23:55:03,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:03,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:03,630 INFO L290 TraceCheckUtils]: 0: Hoare triple {605#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); {605#true} is VALID [2022-02-20 23:55:03,631 INFO L290 TraceCheckUtils]: 1: Hoare triple {605#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {607#(and (= (+ (select |#length| |ULTIMATE.start_main_~list~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:03,632 INFO L290 TraceCheckUtils]: 2: Hoare triple {607#(and (= (+ (select |#length| |ULTIMATE.start_main_~list~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(4 + main_~list~0#1.offset <= #length[main_~list~0#1.base] && 0 <= main_~list~0#1.offset); {606#false} is VALID [2022-02-20 23:55:03,632 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 23:55:03,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:03,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331394980] [2022-02-20 23:55:03,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331394980] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:03,633 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:03,633 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:03,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464611212] [2022-02-20 23:55:03,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:03,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2022-02-20 23:55:03,634 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:03,635 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,637 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:03,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:03,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:03,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:03,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:03,639 INFO L87 Difference]: Start difference. First operand 115 states and 122 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,818 INFO L93 Difference]: Finished difference Result 133 states and 139 transitions. [2022-02-20 23:55:03,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:03,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2022-02-20 23:55:03,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:03,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2022-02-20 23:55:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2022-02-20 23:55:03,822 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 146 transitions. [2022-02-20 23:55:03,939 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:03,941 INFO L225 Difference]: With dead ends: 133 [2022-02-20 23:55:03,941 INFO L226 Difference]: Without dead ends: 133 [2022-02-20 23:55:03,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:03,943 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 98 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:03,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 80 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:03,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-02-20 23:55:03,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 120. [2022-02-20 23:55:03,947 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:03,948 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand has 120 states, 74 states have (on average 1.7162162162162162) internal successors, (127), 119 states have internal predecessors, (127), 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 23:55:03,948 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand has 120 states, 74 states have (on average 1.7162162162162162) internal successors, (127), 119 states have internal predecessors, (127), 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 23:55:03,948 INFO L87 Difference]: Start difference. First operand 133 states. Second operand has 120 states, 74 states have (on average 1.7162162162162162) internal successors, (127), 119 states have internal predecessors, (127), 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 23:55:03,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,951 INFO L93 Difference]: Finished difference Result 133 states and 139 transitions. [2022-02-20 23:55:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2022-02-20 23:55:03,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,952 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,952 INFO L74 IsIncluded]: Start isIncluded. First operand has 120 states, 74 states have (on average 1.7162162162162162) internal successors, (127), 119 states have internal predecessors, (127), 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 133 states. [2022-02-20 23:55:03,953 INFO L87 Difference]: Start difference. First operand has 120 states, 74 states have (on average 1.7162162162162162) internal successors, (127), 119 states have internal predecessors, (127), 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 133 states. [2022-02-20 23:55:03,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:03,956 INFO L93 Difference]: Finished difference Result 133 states and 139 transitions. [2022-02-20 23:55:03,956 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2022-02-20 23:55:03,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:03,957 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:03,957 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:03,957 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 74 states have (on average 1.7162162162162162) internal successors, (127), 119 states have internal predecessors, (127), 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 23:55:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 127 transitions. [2022-02-20 23:55:03,959 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 127 transitions. Word has length 3 [2022-02-20 23:55:03,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:03,960 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 127 transitions. [2022-02-20 23:55:03,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 23:55:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2022-02-20 23:55:03,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:55:03,961 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:03,961 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:03,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:55:03,961 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:03,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:03,962 INFO L85 PathProgramCache]: Analyzing trace with hash 59263661, now seen corresponding path program 1 times [2022-02-20 23:55:03,962 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:03,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006813372] [2022-02-20 23:55:03,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:03,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:04,033 INFO L290 TraceCheckUtils]: 0: Hoare triple {1129#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); {1129#true} is VALID [2022-02-20 23:55:04,034 INFO L290 TraceCheckUtils]: 1: Hoare triple {1129#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {1131#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:04,035 INFO L290 TraceCheckUtils]: 2: Hoare triple {1131#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {1131#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:04,036 INFO L290 TraceCheckUtils]: 3: Hoare triple {1131#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {1131#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:04,036 INFO L290 TraceCheckUtils]: 4: Hoare triple {1131#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1132#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} is VALID [2022-02-20 23:55:04,037 INFO L290 TraceCheckUtils]: 5: Hoare triple {1132#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1132#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} is VALID [2022-02-20 23:55:04,037 INFO L290 TraceCheckUtils]: 6: Hoare triple {1132#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} 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); {1132#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} is VALID [2022-02-20 23:55:04,038 INFO L290 TraceCheckUtils]: 7: Hoare triple {1132#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} assume !(1 == #valid[main_~end~0#1.base]); {1130#false} is VALID [2022-02-20 23:55:04,038 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 23:55:04,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:04,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006813372] [2022-02-20 23:55:04,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006813372] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:04,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:04,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:04,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876775284] [2022-02-20 23:55:04,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:04,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2022-02-20 23:55:04,040 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:04,040 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 23:55:04,046 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:04,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:04,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:04,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:04,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:04,047 INFO L87 Difference]: Start difference. First operand 120 states and 127 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 23:55:04,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,261 INFO L93 Difference]: Finished difference Result 125 states and 133 transitions. [2022-02-20 23:55:04,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:04,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2022-02-20 23:55:04,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 23:55:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 137 transitions. [2022-02-20 23:55:04,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 23:55:04,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 137 transitions. [2022-02-20 23:55:04,269 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 137 transitions. [2022-02-20 23:55:04,360 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 137 edges. 137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:04,361 INFO L225 Difference]: With dead ends: 125 [2022-02-20 23:55:04,362 INFO L226 Difference]: Without dead ends: 125 [2022-02-20 23:55:04,362 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 23:55:04,363 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 158 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:04,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 63 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:04,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-02-20 23:55:04,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 111. [2022-02-20 23:55:04,366 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:04,366 INFO L82 GeneralOperation]: Start isEquivalent. First operand 125 states. Second operand has 111 states, 76 states have (on average 1.5789473684210527) internal successors, (120), 110 states have internal predecessors, (120), 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 23:55:04,367 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand has 111 states, 76 states have (on average 1.5789473684210527) internal successors, (120), 110 states have internal predecessors, (120), 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 23:55:04,367 INFO L87 Difference]: Start difference. First operand 125 states. Second operand has 111 states, 76 states have (on average 1.5789473684210527) internal successors, (120), 110 states have internal predecessors, (120), 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 23:55:04,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,369 INFO L93 Difference]: Finished difference Result 125 states and 133 transitions. [2022-02-20 23:55:04,369 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2022-02-20 23:55:04,370 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:04,370 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:04,371 INFO L74 IsIncluded]: Start isIncluded. First operand has 111 states, 76 states have (on average 1.5789473684210527) internal successors, (120), 110 states have internal predecessors, (120), 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 125 states. [2022-02-20 23:55:04,371 INFO L87 Difference]: Start difference. First operand has 111 states, 76 states have (on average 1.5789473684210527) internal successors, (120), 110 states have internal predecessors, (120), 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 125 states. [2022-02-20 23:55:04,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,373 INFO L93 Difference]: Finished difference Result 125 states and 133 transitions. [2022-02-20 23:55:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2022-02-20 23:55:04,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:04,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:04,374 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:04,374 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:04,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 76 states have (on average 1.5789473684210527) internal successors, (120), 110 states have internal predecessors, (120), 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 23:55:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 120 transitions. [2022-02-20 23:55:04,377 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 120 transitions. Word has length 8 [2022-02-20 23:55:04,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:04,377 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 120 transitions. [2022-02-20 23:55:04,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 23:55:04,377 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 120 transitions. [2022-02-20 23:55:04,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:55:04,378 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:04,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:04,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:55:04,378 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:04,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:04,379 INFO L85 PathProgramCache]: Analyzing trace with hash 59263662, now seen corresponding path program 1 times [2022-02-20 23:55:04,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:04,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876540147] [2022-02-20 23:55:04,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:04,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:04,506 INFO L290 TraceCheckUtils]: 0: Hoare triple {1623#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); {1623#true} is VALID [2022-02-20 23:55:04,507 INFO L290 TraceCheckUtils]: 1: Hoare triple {1623#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {1625#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:04,508 INFO L290 TraceCheckUtils]: 2: Hoare triple {1625#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {1626#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:04,509 INFO L290 TraceCheckUtils]: 3: Hoare triple {1626#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {1626#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:04,509 INFO L290 TraceCheckUtils]: 4: Hoare triple {1626#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_~list~0#1.base|)))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {1627#(and (<= 8 (select |#length| |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))} is VALID [2022-02-20 23:55:04,510 INFO L290 TraceCheckUtils]: 5: Hoare triple {1627#(and (<= 8 (select |#length| |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))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1627#(and (<= 8 (select |#length| |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))} is VALID [2022-02-20 23:55:04,510 INFO L290 TraceCheckUtils]: 6: Hoare triple {1627#(and (<= 8 (select |#length| |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))} 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); {1628#(and (<= 8 (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:04,511 INFO L290 TraceCheckUtils]: 7: Hoare triple {1628#(and (<= 8 (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume !(4 + main_~end~0#1.offset <= #length[main_~end~0#1.base] && 0 <= main_~end~0#1.offset); {1624#false} is VALID [2022-02-20 23:55:04,511 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 23:55:04,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:04,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876540147] [2022-02-20 23:55:04,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876540147] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:04,512 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:04,512 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:04,512 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833507260] [2022-02-20 23:55:04,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:04,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 8 [2022-02-20 23:55:04,513 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:04,513 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 23:55:04,519 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:04,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:04,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:04,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:04,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:04,535 INFO L87 Difference]: Start difference. First operand 111 states and 120 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 23:55:04,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:04,872 INFO L93 Difference]: Finished difference Result 145 states and 155 transitions. [2022-02-20 23:55:04,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:04,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 8 [2022-02-20 23:55:04,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 23:55:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 161 transitions. [2022-02-20 23:55:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 23:55:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 161 transitions. [2022-02-20 23:55:04,883 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 161 transitions. [2022-02-20 23:55:04,997 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:04,999 INFO L225 Difference]: With dead ends: 145 [2022-02-20 23:55:04,999 INFO L226 Difference]: Without dead ends: 145 [2022-02-20 23:55:04,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:55:05,000 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 171 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:05,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 90 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:05,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-02-20 23:55:05,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 118. [2022-02-20 23:55:05,003 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:05,004 INFO L82 GeneralOperation]: Start isEquivalent. First operand 145 states. Second operand has 118 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 117 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,004 INFO L74 IsIncluded]: Start isIncluded. First operand 145 states. Second operand has 118 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 117 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,004 INFO L87 Difference]: Start difference. First operand 145 states. Second operand has 118 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 117 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,006 INFO L93 Difference]: Finished difference Result 145 states and 155 transitions. [2022-02-20 23:55:05,006 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2022-02-20 23:55:05,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,007 INFO L74 IsIncluded]: Start isIncluded. First operand has 118 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 117 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 145 states. [2022-02-20 23:55:05,008 INFO L87 Difference]: Start difference. First operand has 118 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 117 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 145 states. [2022-02-20 23:55:05,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,010 INFO L93 Difference]: Finished difference Result 145 states and 155 transitions. [2022-02-20 23:55:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2022-02-20 23:55:05,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,011 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:05,011 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:05,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 84 states have (on average 1.5238095238095237) internal successors, (128), 117 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 128 transitions. [2022-02-20 23:55:05,013 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 128 transitions. Word has length 8 [2022-02-20 23:55:05,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:05,014 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 128 transitions. [2022-02-20 23:55:05,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 23:55:05,014 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2022-02-20 23:55:05,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 23:55:05,014 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:05,015 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:05,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:55:05,015 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:05,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:05,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1117785369, now seen corresponding path program 1 times [2022-02-20 23:55:05,016 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:05,016 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075700009] [2022-02-20 23:55:05,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:05,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:05,048 INFO L290 TraceCheckUtils]: 0: Hoare triple {2186#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); {2186#true} is VALID [2022-02-20 23:55:05,049 INFO L290 TraceCheckUtils]: 1: Hoare triple {2186#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:55:05,049 INFO L290 TraceCheckUtils]: 2: Hoare triple {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:55:05,050 INFO L290 TraceCheckUtils]: 3: Hoare triple {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:55:05,050 INFO L290 TraceCheckUtils]: 4: Hoare triple {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:55:05,050 INFO L290 TraceCheckUtils]: 5: Hoare triple {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:55:05,051 INFO L290 TraceCheckUtils]: 6: Hoare triple {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {2188#(not (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:55:05,051 INFO L290 TraceCheckUtils]: 7: Hoare triple {2188#(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; {2189#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} is VALID [2022-02-20 23:55:05,052 INFO L290 TraceCheckUtils]: 8: Hoare triple {2189#(not (= |ULTIMATE.start_main_~end~0#1.base| 0))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {2187#false} is VALID [2022-02-20 23:55:05,052 INFO L290 TraceCheckUtils]: 9: Hoare triple {2187#false} assume !false; {2187#false} is VALID [2022-02-20 23:55:05,052 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 23:55:05,052 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:05,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075700009] [2022-02-20 23:55:05,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075700009] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:05,053 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:05,053 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:05,053 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083672454] [2022-02-20 23:55:05,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:05,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 23:55:05,053 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:05,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 23:55:05,060 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 23:55:05,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:05,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:05,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:05,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:05,061 INFO L87 Difference]: Start difference. First operand 118 states and 128 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 23:55:05,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,243 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2022-02-20 23:55:05,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:55:05,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 23:55:05,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 23:55:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2022-02-20 23:55:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 23:55:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2022-02-20 23:55:05,246 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 141 transitions. [2022-02-20 23:55:05,341 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,343 INFO L225 Difference]: With dead ends: 130 [2022-02-20 23:55:05,343 INFO L226 Difference]: Without dead ends: 130 [2022-02-20 23:55:05,343 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 23:55:05,344 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 111 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:05,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 133 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:05,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-02-20 23:55:05,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 116. [2022-02-20 23:55:05,348 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:05,348 INFO L82 GeneralOperation]: Start isEquivalent. First operand 130 states. Second operand has 116 states, 83 states have (on average 1.4939759036144578) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,348 INFO L74 IsIncluded]: Start isIncluded. First operand 130 states. Second operand has 116 states, 83 states have (on average 1.4939759036144578) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,348 INFO L87 Difference]: Start difference. First operand 130 states. Second operand has 116 states, 83 states have (on average 1.4939759036144578) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,351 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2022-02-20 23:55:05,351 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2022-02-20 23:55:05,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,351 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,351 INFO L74 IsIncluded]: Start isIncluded. First operand has 116 states, 83 states have (on average 1.4939759036144578) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 130 states. [2022-02-20 23:55:05,352 INFO L87 Difference]: Start difference. First operand has 116 states, 83 states have (on average 1.4939759036144578) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 130 states. [2022-02-20 23:55:05,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,354 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2022-02-20 23:55:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2022-02-20 23:55:05,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,354 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,354 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:05,354 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 83 states have (on average 1.4939759036144578) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 124 transitions. [2022-02-20 23:55:05,356 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 124 transitions. Word has length 10 [2022-02-20 23:55:05,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:05,357 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 124 transitions. [2022-02-20 23:55:05,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 23:55:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 124 transitions. [2022-02-20 23:55:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:05,357 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:05,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:05,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:55:05,358 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:05,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:05,358 INFO L85 PathProgramCache]: Analyzing trace with hash 467003055, now seen corresponding path program 1 times [2022-02-20 23:55:05,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:05,359 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977281833] [2022-02-20 23:55:05,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:05,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:05,443 INFO L290 TraceCheckUtils]: 0: Hoare triple {2700#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); {2700#true} is VALID [2022-02-20 23:55:05,444 INFO L290 TraceCheckUtils]: 1: Hoare triple {2700#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {2700#true} is VALID [2022-02-20 23:55:05,444 INFO L290 TraceCheckUtils]: 2: Hoare triple {2700#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {2700#true} is VALID [2022-02-20 23:55:05,444 INFO L290 TraceCheckUtils]: 3: Hoare triple {2700#true} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {2700#true} is VALID [2022-02-20 23:55:05,444 INFO L290 TraceCheckUtils]: 4: Hoare triple {2700#true} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {2700#true} is VALID [2022-02-20 23:55:05,444 INFO L290 TraceCheckUtils]: 5: Hoare triple {2700#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2700#true} is VALID [2022-02-20 23:55:05,445 INFO L290 TraceCheckUtils]: 6: Hoare triple {2700#true} 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); {2702#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} is VALID [2022-02-20 23:55:05,446 INFO L290 TraceCheckUtils]: 7: Hoare triple {2702#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {2703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:05,446 INFO L290 TraceCheckUtils]: 8: Hoare triple {2703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {2703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:05,447 INFO L290 TraceCheckUtils]: 9: Hoare triple {2703#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {2704#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} is VALID [2022-02-20 23:55:05,448 INFO L290 TraceCheckUtils]: 10: Hoare triple {2704#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} 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; {2705#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} is VALID [2022-02-20 23:55:05,448 INFO L290 TraceCheckUtils]: 11: Hoare triple {2705#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} assume !(1 == #valid[main_~end~0#1.base]); {2701#false} is VALID [2022-02-20 23:55:05,448 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 23:55:05,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:05,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977281833] [2022-02-20 23:55:05,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977281833] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:05,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:05,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:05,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250981509] [2022-02-20 23:55:05,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:05,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-02-20 23:55:05,450 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:05,450 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:05,467 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:05,467 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:05,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:05,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:05,468 INFO L87 Difference]: Start difference. First operand 116 states and 124 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:05,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,873 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2022-02-20 23:55:05,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:55:05,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-02-20 23:55:05,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 109 transitions. [2022-02-20 23:55:05,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 109 transitions. [2022-02-20 23:55:05,877 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 109 transitions. [2022-02-20 23:55:05,937 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:05,938 INFO L225 Difference]: With dead ends: 116 [2022-02-20 23:55:05,938 INFO L226 Difference]: Without dead ends: 116 [2022-02-20 23:55:05,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:55:05,939 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 47 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:05,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 249 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:05,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-02-20 23:55:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2022-02-20 23:55:05,942 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:05,942 INFO L82 GeneralOperation]: Start isEquivalent. First operand 116 states. Second operand has 115 states, 83 states have (on average 1.4819277108433735) internal successors, (123), 114 states have internal predecessors, (123), 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 23:55:05,943 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand has 115 states, 83 states have (on average 1.4819277108433735) internal successors, (123), 114 states have internal predecessors, (123), 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 23:55:05,943 INFO L87 Difference]: Start difference. First operand 116 states. Second operand has 115 states, 83 states have (on average 1.4819277108433735) internal successors, (123), 114 states have internal predecessors, (123), 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 23:55:05,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,945 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2022-02-20 23:55:05,945 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 124 transitions. [2022-02-20 23:55:05,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,945 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,946 INFO L74 IsIncluded]: Start isIncluded. First operand has 115 states, 83 states have (on average 1.4819277108433735) internal successors, (123), 114 states have internal predecessors, (123), 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 116 states. [2022-02-20 23:55:05,946 INFO L87 Difference]: Start difference. First operand has 115 states, 83 states have (on average 1.4819277108433735) internal successors, (123), 114 states have internal predecessors, (123), 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 116 states. [2022-02-20 23:55:05,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:05,948 INFO L93 Difference]: Finished difference Result 116 states and 124 transitions. [2022-02-20 23:55:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 124 transitions. [2022-02-20 23:55:05,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:05,948 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:05,948 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:05,949 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 83 states have (on average 1.4819277108433735) internal successors, (123), 114 states have internal predecessors, (123), 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 23:55:05,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 123 transitions. [2022-02-20 23:55:05,951 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 123 transitions. Word has length 12 [2022-02-20 23:55:05,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:05,951 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 123 transitions. [2022-02-20 23:55:05,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 123 transitions. [2022-02-20 23:55:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:05,952 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:05,952 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:05,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:55:05,952 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:05,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:05,953 INFO L85 PathProgramCache]: Analyzing trace with hash 467003056, now seen corresponding path program 1 times [2022-02-20 23:55:05,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:05,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022850821] [2022-02-20 23:55:05,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:05,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:06,069 INFO L290 TraceCheckUtils]: 0: Hoare triple {3179#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); {3179#true} is VALID [2022-02-20 23:55:06,069 INFO L290 TraceCheckUtils]: 1: Hoare triple {3179#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {3179#true} is VALID [2022-02-20 23:55:06,070 INFO L290 TraceCheckUtils]: 2: Hoare triple {3179#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {3179#true} is VALID [2022-02-20 23:55:06,070 INFO L290 TraceCheckUtils]: 3: Hoare triple {3179#true} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {3179#true} is VALID [2022-02-20 23:55:06,070 INFO L290 TraceCheckUtils]: 4: Hoare triple {3179#true} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {3179#true} is VALID [2022-02-20 23:55:06,070 INFO L290 TraceCheckUtils]: 5: Hoare triple {3179#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3179#true} is VALID [2022-02-20 23:55:06,071 INFO L290 TraceCheckUtils]: 6: Hoare triple {3179#true} 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); {3181#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} is VALID [2022-02-20 23:55:06,072 INFO L290 TraceCheckUtils]: 7: Hoare triple {3181#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {3182#(and (<= 8 (select |#length| (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 23:55:06,072 INFO L290 TraceCheckUtils]: 8: Hoare triple {3182#(and (<= 8 (select |#length| (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))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {3182#(and (<= 8 (select |#length| (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 23:55:06,073 INFO L290 TraceCheckUtils]: 9: Hoare triple {3182#(and (<= 8 (select |#length| (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))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {3183#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} is VALID [2022-02-20 23:55:06,073 INFO L290 TraceCheckUtils]: 10: Hoare triple {3183#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} 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; {3184#(and (<= 8 (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:06,074 INFO L290 TraceCheckUtils]: 11: Hoare triple {3184#(and (<= 8 (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume !(4 + main_~end~0#1.offset <= #length[main_~end~0#1.base] && 0 <= main_~end~0#1.offset); {3180#false} is VALID [2022-02-20 23:55:06,074 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 23:55:06,074 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:06,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022850821] [2022-02-20 23:55:06,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022850821] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:06,075 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:06,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:06,075 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188640384] [2022-02-20 23:55:06,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:06,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-02-20 23:55:06,076 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:06,076 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:06,083 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:06,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:06,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:06,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:06,085 INFO L87 Difference]: Start difference. First operand 115 states and 123 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:06,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,433 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2022-02-20 23:55:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:55:06,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-02-20 23:55:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 111 transitions. [2022-02-20 23:55:06,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 111 transitions. [2022-02-20 23:55:06,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 111 transitions. [2022-02-20 23:55:06,484 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,485 INFO L225 Difference]: With dead ends: 117 [2022-02-20 23:55:06,485 INFO L226 Difference]: Without dead ends: 117 [2022-02-20 23:55:06,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:06,486 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 18 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:06,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 284 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:06,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-02-20 23:55:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 110. [2022-02-20 23:55:06,488 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:06,488 INFO L82 GeneralOperation]: Start isEquivalent. First operand 117 states. Second operand has 110 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 109 states have internal predecessors, (118), 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 23:55:06,489 INFO L74 IsIncluded]: Start isIncluded. First operand 117 states. Second operand has 110 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 109 states have internal predecessors, (118), 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 23:55:06,489 INFO L87 Difference]: Start difference. First operand 117 states. Second operand has 110 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 109 states have internal predecessors, (118), 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 23:55:06,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,491 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2022-02-20 23:55:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 126 transitions. [2022-02-20 23:55:06,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,491 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,492 INFO L74 IsIncluded]: Start isIncluded. First operand has 110 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 109 states have internal predecessors, (118), 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 117 states. [2022-02-20 23:55:06,492 INFO L87 Difference]: Start difference. First operand has 110 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 109 states have internal predecessors, (118), 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 117 states. [2022-02-20 23:55:06,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,494 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2022-02-20 23:55:06,494 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 126 transitions. [2022-02-20 23:55:06,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:06,494 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:06,494 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:06,494 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 109 states have internal predecessors, (118), 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 23:55:06,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 118 transitions. [2022-02-20 23:55:06,509 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 118 transitions. Word has length 12 [2022-02-20 23:55:06,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:06,509 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 118 transitions. [2022-02-20 23:55:06,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 23:55:06,509 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2022-02-20 23:55:06,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 23:55:06,510 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:06,510 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:06,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:55:06,510 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:06,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:06,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1066467192, now seen corresponding path program 1 times [2022-02-20 23:55:06,511 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:06,511 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147050357] [2022-02-20 23:55:06,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:06,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:06,610 INFO L290 TraceCheckUtils]: 0: Hoare triple {3660#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); {3660#true} is VALID [2022-02-20 23:55:06,611 INFO L290 TraceCheckUtils]: 1: Hoare triple {3660#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {3662#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} is VALID [2022-02-20 23:55:06,611 INFO L290 TraceCheckUtils]: 2: Hoare triple {3662#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {3662#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} is VALID [2022-02-20 23:55:06,612 INFO L290 TraceCheckUtils]: 3: Hoare triple {3662#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {3663#(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 23:55:06,613 INFO L290 TraceCheckUtils]: 4: Hoare triple {3663#(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 := main_~list~0#1.base, main_~list~0#1.offset; {3663#(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 23:55:06,613 INFO L290 TraceCheckUtils]: 5: Hoare triple {3663#(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; {3663#(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 23:55:06,613 INFO L290 TraceCheckUtils]: 6: Hoare triple {3663#(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; {3663#(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 23:55:06,614 INFO L290 TraceCheckUtils]: 7: Hoare triple {3663#(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; {3664#(= ~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 23:55:06,614 INFO L290 TraceCheckUtils]: 8: Hoare triple {3664#(= ~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); {3664#(= ~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 23:55:06,615 INFO L290 TraceCheckUtils]: 9: Hoare triple {3664#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {3664#(= ~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 23:55:06,615 INFO L290 TraceCheckUtils]: 10: Hoare triple {3664#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {3665#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:06,616 INFO L290 TraceCheckUtils]: 11: Hoare triple {3665#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {3661#false} is VALID [2022-02-20 23:55:06,616 INFO L290 TraceCheckUtils]: 12: Hoare triple {3661#false} assume !false; {3661#false} is VALID [2022-02-20 23:55:06,616 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 23:55:06,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:06,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147050357] [2022-02-20 23:55:06,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147050357] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:06,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:06,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:55:06,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841800639] [2022-02-20 23:55:06,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:06,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-02-20 23:55:06,617 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:06,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,626 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:06,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:06,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:06,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:06,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:06,627 INFO L87 Difference]: Start difference. First operand 110 states and 118 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:06,937 INFO L93 Difference]: Finished difference Result 167 states and 180 transitions. [2022-02-20 23:55:06,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:06,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-02-20 23:55:06,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 169 transitions. [2022-02-20 23:55:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 169 transitions. [2022-02-20 23:55:06,940 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 169 transitions. [2022-02-20 23:55:07,018 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:07,020 INFO L225 Difference]: With dead ends: 167 [2022-02-20 23:55:07,020 INFO L226 Difference]: Without dead ends: 167 [2022-02-20 23:55:07,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:55:07,021 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 150 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:07,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 236 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:07,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-02-20 23:55:07,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 117. [2022-02-20 23:55:07,023 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:07,023 INFO L82 GeneralOperation]: Start isEquivalent. First operand 167 states. Second operand has 117 states, 90 states have (on average 1.4) internal successors, (126), 116 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,024 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand has 117 states, 90 states have (on average 1.4) internal successors, (126), 116 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,024 INFO L87 Difference]: Start difference. First operand 167 states. Second operand has 117 states, 90 states have (on average 1.4) internal successors, (126), 116 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:07,026 INFO L93 Difference]: Finished difference Result 167 states and 180 transitions. [2022-02-20 23:55:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2022-02-20 23:55:07,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:07,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:07,027 INFO L74 IsIncluded]: Start isIncluded. First operand has 117 states, 90 states have (on average 1.4) internal successors, (126), 116 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 167 states. [2022-02-20 23:55:07,028 INFO L87 Difference]: Start difference. First operand has 117 states, 90 states have (on average 1.4) internal successors, (126), 116 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 167 states. [2022-02-20 23:55:07,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:07,043 INFO L93 Difference]: Finished difference Result 167 states and 180 transitions. [2022-02-20 23:55:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2022-02-20 23:55:07,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:07,044 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:07,044 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:07,044 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 90 states have (on average 1.4) internal successors, (126), 116 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 126 transitions. [2022-02-20 23:55:07,047 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 126 transitions. Word has length 13 [2022-02-20 23:55:07,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:07,048 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 126 transitions. [2022-02-20 23:55:07,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,048 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 126 transitions. [2022-02-20 23:55:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:55:07,049 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:07,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:07,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:55:07,049 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:07,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:07,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1434903386, now seen corresponding path program 1 times [2022-02-20 23:55:07,050 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:07,050 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245121232] [2022-02-20 23:55:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:07,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:07,161 INFO L290 TraceCheckUtils]: 0: Hoare triple {4292#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); {4292#true} is VALID [2022-02-20 23:55:07,161 INFO L290 TraceCheckUtils]: 1: Hoare triple {4292#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {4292#true} is VALID [2022-02-20 23:55:07,162 INFO L290 TraceCheckUtils]: 2: Hoare triple {4292#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {4292#true} is VALID [2022-02-20 23:55:07,162 INFO L290 TraceCheckUtils]: 3: Hoare triple {4292#true} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {4292#true} is VALID [2022-02-20 23:55:07,162 INFO L290 TraceCheckUtils]: 4: Hoare triple {4292#true} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {4292#true} is VALID [2022-02-20 23:55:07,162 INFO L290 TraceCheckUtils]: 5: Hoare triple {4292#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4292#true} is VALID [2022-02-20 23:55:07,162 INFO L290 TraceCheckUtils]: 6: Hoare triple {4292#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {4292#true} is VALID [2022-02-20 23:55:07,162 INFO L290 TraceCheckUtils]: 7: Hoare triple {4292#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; {4292#true} is VALID [2022-02-20 23:55:07,163 INFO L290 TraceCheckUtils]: 8: Hoare triple {4292#true} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {4292#true} is VALID [2022-02-20 23:55:07,163 INFO L290 TraceCheckUtils]: 9: Hoare triple {4292#true} goto; {4292#true} is VALID [2022-02-20 23:55:07,163 INFO L290 TraceCheckUtils]: 10: Hoare triple {4292#true} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {4294#(= |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 23:55:07,164 INFO L290 TraceCheckUtils]: 11: Hoare triple {4294#(= |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; {4295#(= ~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 23:55:07,164 INFO L290 TraceCheckUtils]: 12: Hoare triple {4295#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {4295#(= ~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 23:55:07,164 INFO L290 TraceCheckUtils]: 13: Hoare triple {4295#(= ~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); {4295#(= ~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 23:55:07,165 INFO L290 TraceCheckUtils]: 14: Hoare triple {4295#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {4296#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem9#1|)} is VALID [2022-02-20 23:55:07,165 INFO L290 TraceCheckUtils]: 15: Hoare triple {4296#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem9#1|)} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1; {4293#false} is VALID [2022-02-20 23:55:07,165 INFO L290 TraceCheckUtils]: 16: Hoare triple {4293#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1045 {4293#false} is VALID [2022-02-20 23:55:07,166 INFO L290 TraceCheckUtils]: 17: Hoare triple {4293#false} 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; {4293#false} is VALID [2022-02-20 23:55:07,166 INFO L290 TraceCheckUtils]: 18: Hoare triple {4293#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {4293#false} is VALID [2022-02-20 23:55:07,166 INFO L290 TraceCheckUtils]: 19: Hoare triple {4293#false} assume !false; {4293#false} is VALID [2022-02-20 23:55:07,166 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 23:55:07,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:07,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245121232] [2022-02-20 23:55:07,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245121232] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:07,167 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:07,167 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:07,167 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843505561] [2022-02-20 23:55:07,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:07,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 23:55:07,167 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:07,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 23:55:07,192 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:07,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:07,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:07,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:07,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:07,193 INFO L87 Difference]: Start difference. First operand 117 states and 126 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 23:55:07,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:07,392 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2022-02-20 23:55:07,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:07,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 23:55:07,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 23:55:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions. [2022-02-20 23:55:07,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 23:55:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions. [2022-02-20 23:55:07,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 110 transitions. [2022-02-20 23:55:07,443 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:07,444 INFO L225 Difference]: With dead ends: 121 [2022-02-20 23:55:07,444 INFO L226 Difference]: Without dead ends: 121 [2022-02-20 23:55:07,444 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 23:55:07,445 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 9 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:07,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 272 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:07,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-02-20 23:55:07,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 116. [2022-02-20 23:55:07,446 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:07,447 INFO L82 GeneralOperation]: Start isEquivalent. First operand 121 states. Second operand has 116 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,447 INFO L74 IsIncluded]: Start isIncluded. First operand 121 states. Second operand has 116 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,447 INFO L87 Difference]: Start difference. First operand 121 states. Second operand has 116 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:07,449 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2022-02-20 23:55:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 129 transitions. [2022-02-20 23:55:07,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:07,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:07,449 INFO L74 IsIncluded]: Start isIncluded. First operand has 116 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 121 states. [2022-02-20 23:55:07,450 INFO L87 Difference]: Start difference. First operand has 116 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 121 states. [2022-02-20 23:55:07,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:07,452 INFO L93 Difference]: Finished difference Result 121 states and 129 transitions. [2022-02-20 23:55:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 129 transitions. [2022-02-20 23:55:07,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:07,453 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:07,453 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:07,453 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 115 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 124 transitions. [2022-02-20 23:55:07,455 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 124 transitions. Word has length 20 [2022-02-20 23:55:07,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:07,456 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 124 transitions. [2022-02-20 23:55:07,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 23:55:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 124 transitions. [2022-02-20 23:55:07,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:55:07,457 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:07,457 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:07,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:55:07,457 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:07,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:07,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1476921639, now seen corresponding path program 1 times [2022-02-20 23:55:07,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:07,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887570112] [2022-02-20 23:55:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:07,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:07,520 INFO L290 TraceCheckUtils]: 0: Hoare triple {4780#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); {4780#true} is VALID [2022-02-20 23:55:07,521 INFO L290 TraceCheckUtils]: 1: Hoare triple {4780#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {4780#true} is VALID [2022-02-20 23:55:07,521 INFO L290 TraceCheckUtils]: 2: Hoare triple {4780#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {4782#(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 23:55:07,522 INFO L290 TraceCheckUtils]: 3: Hoare triple {4782#(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))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {4782#(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 23:55:07,522 INFO L290 TraceCheckUtils]: 4: Hoare triple {4782#(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 := main_~list~0#1.base, main_~list~0#1.offset; {4782#(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 23:55:07,523 INFO L290 TraceCheckUtils]: 5: Hoare triple {4782#(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; {4782#(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 23:55:07,524 INFO L290 TraceCheckUtils]: 6: Hoare triple {4782#(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; {4782#(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 23:55:07,524 INFO L290 TraceCheckUtils]: 7: Hoare triple {4782#(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; {4783#(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 23:55:07,525 INFO L290 TraceCheckUtils]: 8: Hoare triple {4783#(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); {4783#(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 23:55:07,525 INFO L290 TraceCheckUtils]: 9: Hoare triple {4783#(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; {4783#(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 23:55:07,526 INFO L290 TraceCheckUtils]: 10: Hoare triple {4783#(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))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {4783#(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 23:55:07,526 INFO L290 TraceCheckUtils]: 11: Hoare triple {4783#(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; {4783#(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 23:55:07,526 INFO L290 TraceCheckUtils]: 12: Hoare triple {4783#(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; {4783#(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 23:55:07,527 INFO L290 TraceCheckUtils]: 13: Hoare triple {4783#(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); {4783#(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 23:55:07,527 INFO L290 TraceCheckUtils]: 14: Hoare triple {4783#(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))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {4783#(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 23:55:07,528 INFO L290 TraceCheckUtils]: 15: Hoare triple {4783#(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; {4783#(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 23:55:07,528 INFO L290 TraceCheckUtils]: 16: Hoare triple {4783#(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))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {4784#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:55:07,529 INFO L290 TraceCheckUtils]: 17: Hoare triple {4784#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} 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; {4785#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:07,531 INFO L290 TraceCheckUtils]: 18: Hoare triple {4785#(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); {4781#false} is VALID [2022-02-20 23:55:07,531 INFO L290 TraceCheckUtils]: 19: Hoare triple {4781#false} assume !(1 == #valid[main_~end~0#1.base]); {4781#false} is VALID [2022-02-20 23:55:07,531 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 23:55:07,531 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:07,531 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887570112] [2022-02-20 23:55:07,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887570112] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:07,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532871837] [2022-02-20 23:55:07,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:07,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:07,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:07,539 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 23:55:07,540 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 23:55:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:07,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 27 conjunts are in the unsatisfiable core [2022-02-20 23:55:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:07,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:07,672 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 11 treesize of output 7 [2022-02-20 23:55:07,677 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 11 treesize of output 7 [2022-02-20 23:55:07,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:07,722 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 21 treesize of output 20 [2022-02-20 23:55:07,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:07,731 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 21 treesize of output 20 [2022-02-20 23:55:08,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:08,051 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:08,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:08,106 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:08,107 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 15 treesize of output 10 [2022-02-20 23:55:08,136 INFO L290 TraceCheckUtils]: 0: Hoare triple {4780#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); {4780#true} is VALID [2022-02-20 23:55:08,137 INFO L290 TraceCheckUtils]: 1: Hoare triple {4780#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {4792#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} is VALID [2022-02-20 23:55:08,138 INFO L290 TraceCheckUtils]: 2: Hoare triple {4792#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {4796#(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 23:55:08,138 INFO L290 TraceCheckUtils]: 3: Hoare triple {4796#(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))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {4796#(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 23:55:08,139 INFO L290 TraceCheckUtils]: 4: Hoare triple {4796#(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 := main_~list~0#1.base, main_~list~0#1.offset; {4796#(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 23:55:08,140 INFO L290 TraceCheckUtils]: 5: Hoare triple {4796#(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; {4796#(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 23:55:08,141 INFO L290 TraceCheckUtils]: 6: Hoare triple {4796#(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; {4796#(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 23:55:08,142 INFO L290 TraceCheckUtils]: 7: Hoare triple {4796#(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; {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:08,143 INFO L290 TraceCheckUtils]: 8: Hoare triple {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:08,143 INFO L290 TraceCheckUtils]: 9: Hoare triple {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} goto; {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:08,150 INFO L290 TraceCheckUtils]: 10: Hoare triple {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:08,151 INFO L290 TraceCheckUtils]: 11: Hoare triple {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:08,153 INFO L290 TraceCheckUtils]: 12: Hoare triple {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} goto; {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:08,154 INFO L290 TraceCheckUtils]: 13: Hoare triple {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:08,154 INFO L290 TraceCheckUtils]: 14: Hoare triple {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:08,155 INFO L290 TraceCheckUtils]: 15: Hoare triple {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:08,156 INFO L290 TraceCheckUtils]: 16: Hoare triple {4812#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {4784#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:55:08,156 INFO L290 TraceCheckUtils]: 17: Hoare triple {4784#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} 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; {4785#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:08,156 INFO L290 TraceCheckUtils]: 18: Hoare triple {4785#(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); {4781#false} is VALID [2022-02-20 23:55:08,157 INFO L290 TraceCheckUtils]: 19: Hoare triple {4781#false} assume !(1 == #valid[main_~end~0#1.base]); {4781#false} is VALID [2022-02-20 23:55:08,157 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 23:55:08,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:09,032 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 21 treesize of output 19 [2022-02-20 23:55:09,048 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 17 [2022-02-20 23:55:09,068 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 23 treesize of output 21 [2022-02-20 23:55:09,096 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 22 treesize of output 20 [2022-02-20 23:55:09,168 INFO L290 TraceCheckUtils]: 19: Hoare triple {4781#false} assume !(1 == #valid[main_~end~0#1.base]); {4781#false} is VALID [2022-02-20 23:55:09,169 INFO L290 TraceCheckUtils]: 18: Hoare triple {4785#(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); {4781#false} is VALID [2022-02-20 23:55:09,169 INFO L290 TraceCheckUtils]: 17: Hoare triple {4784#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} 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; {4785#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:09,170 INFO L290 TraceCheckUtils]: 16: Hoare triple {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {4784#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:55:09,171 INFO L290 TraceCheckUtils]: 15: Hoare triple {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:09,171 INFO L290 TraceCheckUtils]: 14: Hoare triple {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:09,172 INFO L290 TraceCheckUtils]: 13: Hoare triple {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:09,172 INFO L290 TraceCheckUtils]: 12: Hoare triple {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:09,173 INFO L290 TraceCheckUtils]: 11: Hoare triple {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:09,173 INFO L290 TraceCheckUtils]: 10: Hoare triple {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:09,174 INFO L290 TraceCheckUtils]: 9: Hoare triple {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:09,174 INFO L290 TraceCheckUtils]: 8: Hoare triple {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:09,175 INFO L290 TraceCheckUtils]: 7: Hoare triple {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 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; {4858#(or (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)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:09,176 INFO L290 TraceCheckUtils]: 6: Hoare triple {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0))))} is VALID [2022-02-20 23:55:09,177 INFO L290 TraceCheckUtils]: 5: Hoare triple {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0))))} is VALID [2022-02-20 23:55:09,178 INFO L290 TraceCheckUtils]: 4: Hoare triple {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0))))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0))))} is VALID [2022-02-20 23:55:09,179 INFO L290 TraceCheckUtils]: 3: Hoare triple {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0))))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0))))} is VALID [2022-02-20 23:55:09,180 INFO L290 TraceCheckUtils]: 2: Hoare triple {4902#(<= |ULTIMATE.start_main_~list~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {4886#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_52| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_52|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_52| |ULTIMATE.start_main_~list~0#1.offset|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_52|) 0))))} is VALID [2022-02-20 23:55:09,181 INFO L290 TraceCheckUtils]: 1: Hoare triple {4780#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {4902#(<= |ULTIMATE.start_main_~list~0#1.offset| 0)} is VALID [2022-02-20 23:55:09,181 INFO L290 TraceCheckUtils]: 0: Hoare triple {4780#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); {4780#true} is VALID [2022-02-20 23:55:09,181 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 23:55:09,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532871837] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:09,181 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:09,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 12 [2022-02-20 23:55:09,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204455318] [2022-02-20 23:55:09,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:09,182 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 23:55:09,182 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:09,183 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 23:55:09,235 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 23:55:09,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 23:55:09,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:09,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 23:55:09,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:55:09,237 INFO L87 Difference]: Start difference. First operand 116 states and 124 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 23:55:10,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,050 INFO L93 Difference]: Finished difference Result 143 states and 152 transitions. [2022-02-20 23:55:10,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:55:10,050 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 23:55:10,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:10,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 23:55:10,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 143 transitions. [2022-02-20 23:55:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 23:55:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 143 transitions. [2022-02-20 23:55:10,052 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 143 transitions. [2022-02-20 23:55:10,146 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 143 edges. 143 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:10,148 INFO L225 Difference]: With dead ends: 143 [2022-02-20 23:55:10,148 INFO L226 Difference]: Without dead ends: 143 [2022-02-20 23:55:10,148 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2022-02-20 23:55:10,149 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 133 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:10,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 463 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 390 Invalid, 0 Unknown, 45 Unchecked, 0.3s Time] [2022-02-20 23:55:10,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-02-20 23:55:10,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 123. [2022-02-20 23:55:10,150 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:10,151 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand has 123 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 122 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,151 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand has 123 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 122 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,151 INFO L87 Difference]: Start difference. First operand 143 states. Second operand has 123 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 122 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,152 INFO L93 Difference]: Finished difference Result 143 states and 152 transitions. [2022-02-20 23:55:10,153 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2022-02-20 23:55:10,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:10,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:10,153 INFO L74 IsIncluded]: Start isIncluded. First operand has 123 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 122 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 143 states. [2022-02-20 23:55:10,154 INFO L87 Difference]: Start difference. First operand has 123 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 122 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 143 states. [2022-02-20 23:55:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,155 INFO L93 Difference]: Finished difference Result 143 states and 152 transitions. [2022-02-20 23:55:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2022-02-20 23:55:10,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:10,156 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:10,156 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:10,156 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 122 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 131 transitions. [2022-02-20 23:55:10,162 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 131 transitions. Word has length 20 [2022-02-20 23:55:10,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:10,163 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 131 transitions. [2022-02-20 23:55:10,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 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 23:55:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2022-02-20 23:55:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:55:10,163 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:10,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:10,196 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 23:55:10,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-20 23:55:10,375 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:10,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:10,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1060451530, now seen corresponding path program 1 times [2022-02-20 23:55:10,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:10,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958150728] [2022-02-20 23:55:10,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 0: Hoare triple {5470#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); {5470#true} is VALID [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 1: Hoare triple {5470#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {5470#true} is VALID [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 2: Hoare triple {5470#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {5470#true} is VALID [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 3: Hoare triple {5470#true} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {5470#true} is VALID [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 4: Hoare triple {5470#true} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5470#true} is VALID [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 5: Hoare triple {5470#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5470#true} is VALID [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 6: Hoare triple {5470#true} 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); {5470#true} is VALID [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 7: Hoare triple {5470#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {5470#true} is VALID [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 8: Hoare triple {5470#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5470#true} is VALID [2022-02-20 23:55:10,434 INFO L290 TraceCheckUtils]: 9: Hoare triple {5470#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {5470#true} is VALID [2022-02-20 23:55:10,435 INFO L290 TraceCheckUtils]: 10: Hoare triple {5470#true} 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; {5470#true} is VALID [2022-02-20 23:55:10,435 INFO L290 TraceCheckUtils]: 11: Hoare triple {5470#true} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {5470#true} is VALID [2022-02-20 23:55:10,435 INFO L290 TraceCheckUtils]: 12: Hoare triple {5470#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5470#true} is VALID [2022-02-20 23:55:10,435 INFO L290 TraceCheckUtils]: 13: Hoare triple {5470#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {5470#true} is VALID [2022-02-20 23:55:10,435 INFO L290 TraceCheckUtils]: 14: Hoare triple {5470#true} SUMMARY for call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1026 {5470#true} is VALID [2022-02-20 23:55:10,435 INFO L290 TraceCheckUtils]: 15: Hoare triple {5470#true} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8); {5472#(= (select |#valid| |ULTIMATE.start_main_#t~malloc6#1.base|) 1)} is VALID [2022-02-20 23:55:10,436 INFO L290 TraceCheckUtils]: 16: Hoare triple {5472#(= (select |#valid| |ULTIMATE.start_main_#t~malloc6#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1027 {5473#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:10,436 INFO L290 TraceCheckUtils]: 17: Hoare triple {5473#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {5473#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:10,437 INFO L290 TraceCheckUtils]: 18: Hoare triple {5473#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1028 {5474#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} is VALID [2022-02-20 23:55:10,437 INFO L290 TraceCheckUtils]: 19: Hoare triple {5474#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} 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; {5475#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} is VALID [2022-02-20 23:55:10,438 INFO L290 TraceCheckUtils]: 20: Hoare triple {5475#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} assume !(1 == #valid[main_~end~0#1.base]); {5471#false} is VALID [2022-02-20 23:55:10,438 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 23:55:10,438 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:10,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958150728] [2022-02-20 23:55:10,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958150728] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:10,438 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:10,438 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:10,438 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822180438] [2022-02-20 23:55:10,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:10,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2022-02-20 23:55:10,439 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:10,439 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:10,451 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:10,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:10,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:10,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:10,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:10,451 INFO L87 Difference]: Start difference. First operand 123 states and 131 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:10,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,770 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2022-02-20 23:55:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:10,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2022-02-20 23:55:10,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 103 transitions. [2022-02-20 23:55:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 103 transitions. [2022-02-20 23:55:10,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 103 transitions. [2022-02-20 23:55:10,827 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:10,829 INFO L225 Difference]: With dead ends: 123 [2022-02-20 23:55:10,829 INFO L226 Difference]: Without dead ends: 123 [2022-02-20 23:55:10,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:55:10,829 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 41 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:10,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 246 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-02-20 23:55:10,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2022-02-20 23:55:10,844 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:10,844 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand has 122 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 121 states have internal predecessors, (130), 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 23:55:10,844 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand has 122 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 121 states have internal predecessors, (130), 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 23:55:10,845 INFO L87 Difference]: Start difference. First operand 123 states. Second operand has 122 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 121 states have internal predecessors, (130), 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 23:55:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,846 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2022-02-20 23:55:10,846 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2022-02-20 23:55:10,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:10,846 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:10,847 INFO L74 IsIncluded]: Start isIncluded. First operand has 122 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 121 states have internal predecessors, (130), 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 123 states. [2022-02-20 23:55:10,847 INFO L87 Difference]: Start difference. First operand has 122 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 121 states have internal predecessors, (130), 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 123 states. [2022-02-20 23:55:10,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:10,848 INFO L93 Difference]: Finished difference Result 123 states and 131 transitions. [2022-02-20 23:55:10,848 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2022-02-20 23:55:10,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:10,849 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:10,849 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:10,849 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:10,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 121 states have internal predecessors, (130), 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 23:55:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 130 transitions. [2022-02-20 23:55:10,850 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 130 transitions. Word has length 21 [2022-02-20 23:55:10,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:10,851 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 130 transitions. [2022-02-20 23:55:10,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2022-02-20 23:55:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:55:10,851 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:10,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:10,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:55:10,852 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:10,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:10,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1060451529, now seen corresponding path program 1 times [2022-02-20 23:55:10,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:10,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825192240] [2022-02-20 23:55:10,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:10,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:10,969 INFO L290 TraceCheckUtils]: 0: Hoare triple {5977#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); {5977#true} is VALID [2022-02-20 23:55:10,969 INFO L290 TraceCheckUtils]: 1: Hoare triple {5977#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {5977#true} is VALID [2022-02-20 23:55:10,969 INFO L290 TraceCheckUtils]: 2: Hoare triple {5977#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {5977#true} is VALID [2022-02-20 23:55:10,969 INFO L290 TraceCheckUtils]: 3: Hoare triple {5977#true} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {5977#true} is VALID [2022-02-20 23:55:10,969 INFO L290 TraceCheckUtils]: 4: Hoare triple {5977#true} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {5977#true} is VALID [2022-02-20 23:55:10,969 INFO L290 TraceCheckUtils]: 5: Hoare triple {5977#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5977#true} is VALID [2022-02-20 23:55:10,970 INFO L290 TraceCheckUtils]: 6: Hoare triple {5977#true} 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); {5977#true} is VALID [2022-02-20 23:55:10,970 INFO L290 TraceCheckUtils]: 7: Hoare triple {5977#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {5977#true} is VALID [2022-02-20 23:55:10,970 INFO L290 TraceCheckUtils]: 8: Hoare triple {5977#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5977#true} is VALID [2022-02-20 23:55:10,970 INFO L290 TraceCheckUtils]: 9: Hoare triple {5977#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {5977#true} is VALID [2022-02-20 23:55:10,970 INFO L290 TraceCheckUtils]: 10: Hoare triple {5977#true} 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; {5977#true} is VALID [2022-02-20 23:55:10,970 INFO L290 TraceCheckUtils]: 11: Hoare triple {5977#true} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {5977#true} is VALID [2022-02-20 23:55:10,970 INFO L290 TraceCheckUtils]: 12: Hoare triple {5977#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5977#true} is VALID [2022-02-20 23:55:10,970 INFO L290 TraceCheckUtils]: 13: Hoare triple {5977#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {5977#true} is VALID [2022-02-20 23:55:10,970 INFO L290 TraceCheckUtils]: 14: Hoare triple {5977#true} SUMMARY for call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1026 {5977#true} is VALID [2022-02-20 23:55:10,972 INFO L290 TraceCheckUtils]: 15: Hoare triple {5977#true} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8); {5979#(and (= (select |#length| |ULTIMATE.start_main_#t~malloc6#1.base|) 8) (= |ULTIMATE.start_main_#t~malloc6#1.offset| 0))} is VALID [2022-02-20 23:55:10,973 INFO L290 TraceCheckUtils]: 16: Hoare triple {5979#(and (= (select |#length| |ULTIMATE.start_main_#t~malloc6#1.base|) 8) (= |ULTIMATE.start_main_#t~malloc6#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1027 {5980#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (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 23:55:10,973 INFO L290 TraceCheckUtils]: 17: Hoare triple {5980#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {5980#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (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 23:55:10,973 INFO L290 TraceCheckUtils]: 18: Hoare triple {5980#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1028 {5981#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} is VALID [2022-02-20 23:55:10,974 INFO L290 TraceCheckUtils]: 19: Hoare triple {5981#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} 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; {5982#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~end~0#1.base|) (- 8)) 0))} is VALID [2022-02-20 23:55:10,974 INFO L290 TraceCheckUtils]: 20: Hoare triple {5982#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~end~0#1.base|) (- 8)) 0))} assume !(4 + main_~end~0#1.offset <= #length[main_~end~0#1.base] && 0 <= main_~end~0#1.offset); {5978#false} is VALID [2022-02-20 23:55:10,975 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 23:55:10,975 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:10,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825192240] [2022-02-20 23:55:10,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825192240] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:10,975 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:10,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:10,975 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178577519] [2022-02-20 23:55:10,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:10,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2022-02-20 23:55:10,975 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:10,976 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:10,993 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:10,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:10,993 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:10,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:10,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:10,993 INFO L87 Difference]: Start difference. First operand 122 states and 130 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:11,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:11,319 INFO L93 Difference]: Finished difference Result 120 states and 128 transitions. [2022-02-20 23:55:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:55:11,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 21 [2022-02-20 23:55:11,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:11,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:11,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 103 transitions. [2022-02-20 23:55:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:11,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 103 transitions. [2022-02-20 23:55:11,320 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 103 transitions. [2022-02-20 23:55:11,375 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:11,376 INFO L225 Difference]: With dead ends: 120 [2022-02-20 23:55:11,376 INFO L226 Difference]: Without dead ends: 120 [2022-02-20 23:55:11,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:55:11,376 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 9 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:11,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 292 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-02-20 23:55:11,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 113. [2022-02-20 23:55:11,378 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:11,378 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand has 113 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 112 states have internal predecessors, (120), 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 23:55:11,378 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand has 113 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 112 states have internal predecessors, (120), 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 23:55:11,378 INFO L87 Difference]: Start difference. First operand 120 states. Second operand has 113 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 112 states have internal predecessors, (120), 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 23:55:11,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:11,380 INFO L93 Difference]: Finished difference Result 120 states and 128 transitions. [2022-02-20 23:55:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2022-02-20 23:55:11,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:11,380 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:11,380 INFO L74 IsIncluded]: Start isIncluded. First operand has 113 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 112 states have internal predecessors, (120), 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 120 states. [2022-02-20 23:55:11,381 INFO L87 Difference]: Start difference. First operand has 113 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 112 states have internal predecessors, (120), 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 120 states. [2022-02-20 23:55:11,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:11,383 INFO L93 Difference]: Finished difference Result 120 states and 128 transitions. [2022-02-20 23:55:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2022-02-20 23:55:11,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:11,383 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:11,383 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:11,383 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 112 states have internal predecessors, (120), 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 23:55:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 120 transitions. [2022-02-20 23:55:11,385 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 120 transitions. Word has length 21 [2022-02-20 23:55:11,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:11,385 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 120 transitions. [2022-02-20 23:55:11,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 23:55:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 120 transitions. [2022-02-20 23:55:11,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 23:55:11,385 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:11,386 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:11,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 23:55:11,386 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:11,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:11,386 INFO L85 PathProgramCache]: Analyzing trace with hash -794042809, now seen corresponding path program 1 times [2022-02-20 23:55:11,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:11,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720503870] [2022-02-20 23:55:11,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:11,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:11,624 INFO L290 TraceCheckUtils]: 0: Hoare triple {6462#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); {6462#true} is VALID [2022-02-20 23:55:11,624 INFO L290 TraceCheckUtils]: 1: Hoare triple {6462#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {6464#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} is VALID [2022-02-20 23:55:11,625 INFO L290 TraceCheckUtils]: 2: Hoare triple {6464#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {6465#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,626 INFO L290 TraceCheckUtils]: 3: Hoare triple {6465#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {6466#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,626 INFO L290 TraceCheckUtils]: 4: Hoare triple {6466#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {6467#(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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,627 INFO L290 TraceCheckUtils]: 5: Hoare triple {6467#(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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6467#(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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,627 INFO L290 TraceCheckUtils]: 6: Hoare triple {6467#(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|) (= |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); {6468#(and (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,628 INFO L290 TraceCheckUtils]: 7: Hoare triple {6468#(and (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {6469#(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|))) (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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,629 INFO L290 TraceCheckUtils]: 8: Hoare triple {6469#(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|))) (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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6469#(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|))) (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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,629 INFO L290 TraceCheckUtils]: 9: Hoare triple {6469#(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|))) (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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {6470#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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 23:55:11,630 INFO L290 TraceCheckUtils]: 10: Hoare triple {6470#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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 := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,630 INFO L290 TraceCheckUtils]: 11: Hoare triple {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,631 INFO L290 TraceCheckUtils]: 12: Hoare triple {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,634 INFO L290 TraceCheckUtils]: 13: Hoare triple {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:11,635 INFO L290 TraceCheckUtils]: 14: Hoare triple {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {6472#(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 23:55:11,636 INFO L290 TraceCheckUtils]: 15: Hoare triple {6472#(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; {6472#(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 23:55:11,636 INFO L290 TraceCheckUtils]: 16: Hoare triple {6472#(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; {6472#(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 23:55:11,636 INFO L290 TraceCheckUtils]: 17: Hoare triple {6472#(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; {6473#(= ~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 23:55:11,637 INFO L290 TraceCheckUtils]: 18: Hoare triple {6473#(= ~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); {6473#(= ~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 23:55:11,637 INFO L290 TraceCheckUtils]: 19: Hoare triple {6473#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {6473#(= ~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 23:55:11,638 INFO L290 TraceCheckUtils]: 20: Hoare triple {6473#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {6474#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:11,638 INFO L290 TraceCheckUtils]: 21: Hoare triple {6474#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {6463#false} is VALID [2022-02-20 23:55:11,638 INFO L290 TraceCheckUtils]: 22: Hoare triple {6463#false} assume !false; {6463#false} is VALID [2022-02-20 23:55:11,639 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 23:55:11,639 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:11,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720503870] [2022-02-20 23:55:11,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720503870] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:11,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064597531] [2022-02-20 23:55:11,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:11,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:11,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:11,640 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 23:55:11,659 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 23:55:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:11,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-20 23:55:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:11,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:11,745 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 23:55:11,763 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 23:55:11,840 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:11,840 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 23:55:11,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:11,904 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 21 treesize of output 20 [2022-02-20 23:55:11,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:12,009 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 16 treesize of output 8 [2022-02-20 23:55:12,043 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 23:55:12,101 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 23:55:12,163 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 23:55:12,167 INFO L290 TraceCheckUtils]: 0: Hoare triple {6462#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); {6462#true} is VALID [2022-02-20 23:55:12,168 INFO L290 TraceCheckUtils]: 1: Hoare triple {6462#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {6465#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:12,168 INFO L290 TraceCheckUtils]: 2: Hoare triple {6465#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {6465#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:12,169 INFO L290 TraceCheckUtils]: 3: Hoare triple {6465#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {6466#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:12,170 INFO L290 TraceCheckUtils]: 4: Hoare triple {6466#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {6490#(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 23:55:12,170 INFO L290 TraceCheckUtils]: 5: Hoare triple {6490#(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; {6490#(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 23:55:12,171 INFO L290 TraceCheckUtils]: 6: Hoare triple {6490#(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); {6497#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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 23:55:12,172 INFO L290 TraceCheckUtils]: 7: Hoare triple {6497#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {6501#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~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 23:55:12,172 INFO L290 TraceCheckUtils]: 8: Hoare triple {6501#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~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))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6501#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~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 23:55:12,175 INFO L290 TraceCheckUtils]: 9: Hoare triple {6501#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~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))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {6470#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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 23:55:12,175 INFO L290 TraceCheckUtils]: 10: Hoare triple {6470#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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 := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:12,176 INFO L290 TraceCheckUtils]: 11: Hoare triple {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:12,176 INFO L290 TraceCheckUtils]: 12: Hoare triple {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:12,177 INFO L290 TraceCheckUtils]: 13: Hoare triple {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:12,177 INFO L290 TraceCheckUtils]: 14: Hoare triple {6471#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {6472#(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 23:55:12,178 INFO L290 TraceCheckUtils]: 15: Hoare triple {6472#(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; {6472#(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 23:55:12,178 INFO L290 TraceCheckUtils]: 16: Hoare triple {6472#(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; {6472#(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 23:55:12,187 INFO L290 TraceCheckUtils]: 17: Hoare triple {6472#(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; {6532#(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 23:55:12,188 INFO L290 TraceCheckUtils]: 18: Hoare triple {6532#(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); {6532#(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 23:55:12,188 INFO L290 TraceCheckUtils]: 19: Hoare triple {6532#(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; {6532#(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 23:55:12,189 INFO L290 TraceCheckUtils]: 20: Hoare triple {6532#(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))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {6474#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:12,189 INFO L290 TraceCheckUtils]: 21: Hoare triple {6474#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {6463#false} is VALID [2022-02-20 23:55:12,189 INFO L290 TraceCheckUtils]: 22: Hoare triple {6463#false} assume !false; {6463#false} is VALID [2022-02-20 23:55:12,189 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 23:55:12,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:12,226 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_319 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_319) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:12,252 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_319 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_319) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:12,260 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_319 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_319) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:12,286 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_319 (Array Int Int)) (v_ArrVal_316 Int)) (= ~unnamed1~0~BLACK (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_316)) |c_ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_319) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:12,552 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_319 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int) (|v_ULTIMATE.start_main_~end~0#1.offset_57| Int) (v_ArrVal_316 Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_57| |c_ULTIMATE.start_main_~list~0#1.offset|)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (= ~unnamed1~0~BLACK (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_57| v_ArrVal_316)) |v_ULTIMATE.start_main_#t~malloc3#1.base_7| v_ArrVal_319) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))))) is different from false [2022-02-20 23:55:12,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:12,643 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:12,643 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 25 treesize of output 31 [2022-02-20 23:55:12,661 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 36 treesize of output 24 [2022-02-20 23:55:12,665 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 7 treesize of output 3 [2022-02-20 23:55:12,683 INFO L290 TraceCheckUtils]: 22: Hoare triple {6463#false} assume !false; {6463#false} is VALID [2022-02-20 23:55:12,683 INFO L290 TraceCheckUtils]: 21: Hoare triple {6474#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {6463#false} is VALID [2022-02-20 23:55:12,684 INFO L290 TraceCheckUtils]: 20: Hoare triple {6473#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {6474#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:12,684 INFO L290 TraceCheckUtils]: 19: Hoare triple {6473#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {6473#(= ~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 23:55:12,684 INFO L290 TraceCheckUtils]: 18: Hoare triple {6473#(= ~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); {6473#(= ~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 23:55:12,685 INFO L290 TraceCheckUtils]: 17: Hoare triple {6563#(= ~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; {6473#(= ~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 23:55:12,689 INFO L290 TraceCheckUtils]: 16: Hoare triple {6563#(= ~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; {6563#(= ~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 23:55:12,690 INFO L290 TraceCheckUtils]: 15: Hoare triple {6563#(= ~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; {6563#(= ~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 23:55:12,691 INFO L290 TraceCheckUtils]: 14: Hoare triple {6573#(forall ((v_ArrVal_319 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {6563#(= ~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 23:55:12,692 INFO L290 TraceCheckUtils]: 13: Hoare triple {6573#(forall ((v_ArrVal_319 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {6573#(forall ((v_ArrVal_319 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))} is VALID [2022-02-20 23:55:12,693 INFO L290 TraceCheckUtils]: 12: Hoare triple {6573#(forall ((v_ArrVal_319 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6573#(forall ((v_ArrVal_319 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))} is VALID [2022-02-20 23:55:12,696 INFO L290 TraceCheckUtils]: 11: Hoare triple {6573#(forall ((v_ArrVal_319 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {6573#(forall ((v_ArrVal_319 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))} is VALID [2022-02-20 23:55:12,696 INFO L290 TraceCheckUtils]: 10: Hoare triple {6586#(forall ((v_ArrVal_319 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {6573#(forall ((v_ArrVal_319 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))} is VALID [2022-02-20 23:55:12,697 INFO L290 TraceCheckUtils]: 9: Hoare triple {6590#(forall ((v_ArrVal_319 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {6586#(forall ((v_ArrVal_319 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:12,697 INFO L290 TraceCheckUtils]: 8: Hoare triple {6590#(forall ((v_ArrVal_319 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6590#(forall ((v_ArrVal_319 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:12,698 INFO L290 TraceCheckUtils]: 7: Hoare triple {6597#(forall ((v_ArrVal_319 (Array Int Int)) (v_ArrVal_316 Int)) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_316)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {6590#(forall ((v_ArrVal_319 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:12,700 WARN L290 TraceCheckUtils]: 6: Hoare triple {6601#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (forall ((v_ArrVal_319 (Array Int Int)) (v_ArrVal_316 Int)) (= ~unnamed1~0~BLACK (select (select (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_316)) |v_ULTIMATE.start_main_#t~malloc3#1.base_7| v_ArrVal_319) |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); {6597#(forall ((v_ArrVal_319 (Array Int Int)) (v_ArrVal_316 Int)) (= ~unnamed1~0~BLACK (select (select (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_316)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is UNKNOWN [2022-02-20 23:55:12,701 INFO L290 TraceCheckUtils]: 5: Hoare triple {6601#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (forall ((v_ArrVal_319 (Array Int Int)) (v_ArrVal_316 Int)) (= ~unnamed1~0~BLACK (select (select (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_316)) |v_ULTIMATE.start_main_#t~malloc3#1.base_7| v_ArrVal_319) |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; {6601#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (forall ((v_ArrVal_319 (Array Int Int)) (v_ArrVal_316 Int)) (= ~unnamed1~0~BLACK (select (select (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_316)) |v_ULTIMATE.start_main_#t~malloc3#1.base_7| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} is VALID [2022-02-20 23:55:12,703 INFO L290 TraceCheckUtils]: 4: Hoare triple {6608#(forall ((v_ArrVal_319 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int) (|v_ULTIMATE.start_main_~end~0#1.offset_57| Int) (v_ArrVal_316 Int)) (or (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~list~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_57| v_ArrVal_316)) |v_ULTIMATE.start_main_#t~malloc3#1.base_7| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_57| |ULTIMATE.start_main_~list~0#1.offset|))))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {6601#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (forall ((v_ArrVal_319 (Array Int Int)) (v_ArrVal_316 Int)) (= ~unnamed1~0~BLACK (select (select (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_316)) |v_ULTIMATE.start_main_#t~malloc3#1.base_7| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} is VALID [2022-02-20 23:55:12,704 INFO L290 TraceCheckUtils]: 3: Hoare triple {6612#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {6608#(forall ((v_ArrVal_319 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_7| Int) (|v_ULTIMATE.start_main_~end~0#1.offset_57| Int) (v_ArrVal_316 Int)) (or (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~list~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_57| v_ArrVal_316)) |v_ULTIMATE.start_main_#t~malloc3#1.base_7| v_ArrVal_319) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_7|) 0)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_57| |ULTIMATE.start_main_~list~0#1.offset|))))} is VALID [2022-02-20 23:55:12,704 INFO L290 TraceCheckUtils]: 2: Hoare triple {6612#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {6612#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:55:12,704 INFO L290 TraceCheckUtils]: 1: Hoare triple {6462#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {6612#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:55:12,705 INFO L290 TraceCheckUtils]: 0: Hoare triple {6462#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); {6462#true} is VALID [2022-02-20 23:55:12,705 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 23:55:12,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064597531] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:12,705 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:12,705 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2022-02-20 23:55:12,705 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217073312] [2022-02-20 23:55:12,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:12,706 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-02-20 23:55:12,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:12,706 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 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 23:55:12,747 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 48 inductive. 0 not inductive. 4 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:12,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-20 23:55:12,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:12,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-20 23:55:12,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=302, Unknown=5, NotChecked=200, Total=600 [2022-02-20 23:55:12,749 INFO L87 Difference]: Start difference. First operand 113 states and 120 transitions. Second operand has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 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 23:55:14,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,131 INFO L93 Difference]: Finished difference Result 254 states and 271 transitions. [2022-02-20 23:55:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 23:55:14,131 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-02-20 23:55:14,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 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 23:55:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 254 transitions. [2022-02-20 23:55:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 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 23:55:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 254 transitions. [2022-02-20 23:55:14,134 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 254 transitions. [2022-02-20 23:55:14,285 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 254 edges. 254 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:14,288 INFO L225 Difference]: With dead ends: 254 [2022-02-20 23:55:14,288 INFO L226 Difference]: Without dead ends: 254 [2022-02-20 23:55:14,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=658, Unknown=5, NotChecked=300, Total=1190 [2022-02-20 23:55:14,289 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 225 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1023 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:14,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 600 Invalid, 1737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 671 Invalid, 0 Unknown, 1023 Unchecked, 0.5s Time] [2022-02-20 23:55:14,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-02-20 23:55:14,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 128. [2022-02-20 23:55:14,292 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:14,292 INFO L82 GeneralOperation]: Start isEquivalent. First operand 254 states. Second operand has 128 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 127 states have internal predecessors, (137), 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 23:55:14,292 INFO L74 IsIncluded]: Start isIncluded. First operand 254 states. Second operand has 128 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 127 states have internal predecessors, (137), 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 23:55:14,292 INFO L87 Difference]: Start difference. First operand 254 states. Second operand has 128 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 127 states have internal predecessors, (137), 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 23:55:14,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,295 INFO L93 Difference]: Finished difference Result 254 states and 271 transitions. [2022-02-20 23:55:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 271 transitions. [2022-02-20 23:55:14,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,296 INFO L74 IsIncluded]: Start isIncluded. First operand has 128 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 127 states have internal predecessors, (137), 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 254 states. [2022-02-20 23:55:14,296 INFO L87 Difference]: Start difference. First operand has 128 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 127 states have internal predecessors, (137), 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 254 states. [2022-02-20 23:55:14,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,315 INFO L93 Difference]: Finished difference Result 254 states and 271 transitions. [2022-02-20 23:55:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 271 transitions. [2022-02-20 23:55:14,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,315 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,315 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:14,315 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 127 states have internal predecessors, (137), 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 23:55:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 137 transitions. [2022-02-20 23:55:14,317 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 137 transitions. Word has length 23 [2022-02-20 23:55:14,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:14,317 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 137 transitions. [2022-02-20 23:55:14,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 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 23:55:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2022-02-20 23:55:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:55:14,317 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:14,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:14,337 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 23:55:14,534 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,SelfDestructingSolverStorable12 [2022-02-20 23:55:14,534 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:14,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:14,535 INFO L85 PathProgramCache]: Analyzing trace with hash -136678670, now seen corresponding path program 1 times [2022-02-20 23:55:14,535 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:14,535 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987754672] [2022-02-20 23:55:14,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:14,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:14,570 INFO L290 TraceCheckUtils]: 0: Hoare triple {7534#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); {7534#true} is VALID [2022-02-20 23:55:14,571 INFO L290 TraceCheckUtils]: 1: Hoare triple {7534#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,571 INFO L290 TraceCheckUtils]: 2: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,571 INFO L290 TraceCheckUtils]: 3: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,572 INFO L290 TraceCheckUtils]: 4: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,572 INFO L290 TraceCheckUtils]: 5: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,573 INFO L290 TraceCheckUtils]: 6: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,573 INFO L290 TraceCheckUtils]: 7: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} 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; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,573 INFO L290 TraceCheckUtils]: 8: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,574 INFO L290 TraceCheckUtils]: 9: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} goto; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,577 INFO L290 TraceCheckUtils]: 10: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,577 INFO L290 TraceCheckUtils]: 11: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,578 INFO L290 TraceCheckUtils]: 12: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} goto; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,578 INFO L290 TraceCheckUtils]: 13: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,578 INFO L290 TraceCheckUtils]: 14: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,579 INFO L290 TraceCheckUtils]: 15: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,579 INFO L290 TraceCheckUtils]: 16: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,580 INFO L290 TraceCheckUtils]: 17: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,580 INFO L290 TraceCheckUtils]: 18: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,581 INFO L290 TraceCheckUtils]: 19: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,581 INFO L290 TraceCheckUtils]: 20: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} SUMMARY for call main_#t~mem13#1 := read~int(main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1056 {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,589 INFO L290 TraceCheckUtils]: 21: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume ~unnamed1~0~RED == main_#t~mem13#1;havoc main_#t~mem13#1; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,590 INFO L290 TraceCheckUtils]: 22: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1058 {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,590 INFO L290 TraceCheckUtils]: 23: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,590 INFO L290 TraceCheckUtils]: 24: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume 0 == main_~list~0#1.offset; {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:14,591 INFO L290 TraceCheckUtils]: 25: Hoare triple {7536#(not (<= |#StackHeapBarrier| |ULTIMATE.start_main_~list~0#1.base|))} assume !(main_~list~0#1.base < #StackHeapBarrier); {7535#false} is VALID [2022-02-20 23:55:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:55:14,591 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:14,591 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987754672] [2022-02-20 23:55:14,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987754672] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:14,592 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:14,592 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:14,592 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228515316] [2022-02-20 23:55:14,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:14,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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) Word has length 26 [2022-02-20 23:55:14,592 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:14,593 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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 23:55:14,609 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:14,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:14,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:14,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:14,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:14,623 INFO L87 Difference]: Start difference. First operand 128 states and 137 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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 23:55:14,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,710 INFO L93 Difference]: Finished difference Result 130 states and 139 transitions. [2022-02-20 23:55:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:14,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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) Word has length 26 [2022-02-20 23:55:14,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:14,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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 23:55:14,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2022-02-20 23:55:14,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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 23:55:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2022-02-20 23:55:14,713 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 105 transitions. [2022-02-20 23:55:14,791 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:14,792 INFO L225 Difference]: With dead ends: 130 [2022-02-20 23:55:14,792 INFO L226 Difference]: Without dead ends: 130 [2022-02-20 23:55:14,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:14,793 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 48 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:14,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 90 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:14,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-02-20 23:55:14,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2022-02-20 23:55:14,797 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:14,797 INFO L82 GeneralOperation]: Start isEquivalent. First operand 130 states. Second operand has 130 states, 108 states have (on average 1.287037037037037) internal successors, (139), 129 states have internal predecessors, (139), 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 23:55:14,797 INFO L74 IsIncluded]: Start isIncluded. First operand 130 states. Second operand has 130 states, 108 states have (on average 1.287037037037037) internal successors, (139), 129 states have internal predecessors, (139), 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 23:55:14,797 INFO L87 Difference]: Start difference. First operand 130 states. Second operand has 130 states, 108 states have (on average 1.287037037037037) internal successors, (139), 129 states have internal predecessors, (139), 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 23:55:14,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,799 INFO L93 Difference]: Finished difference Result 130 states and 139 transitions. [2022-02-20 23:55:14,799 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2022-02-20 23:55:14,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,799 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,800 INFO L74 IsIncluded]: Start isIncluded. First operand has 130 states, 108 states have (on average 1.287037037037037) internal successors, (139), 129 states have internal predecessors, (139), 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 130 states. [2022-02-20 23:55:14,800 INFO L87 Difference]: Start difference. First operand has 130 states, 108 states have (on average 1.287037037037037) internal successors, (139), 129 states have internal predecessors, (139), 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 130 states. [2022-02-20 23:55:14,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:14,801 INFO L93 Difference]: Finished difference Result 130 states and 139 transitions. [2022-02-20 23:55:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2022-02-20 23:55:14,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:14,802 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:14,802 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:14,802 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:14,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 108 states have (on average 1.287037037037037) internal successors, (139), 129 states have internal predecessors, (139), 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 23:55:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 139 transitions. [2022-02-20 23:55:14,803 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 139 transitions. Word has length 26 [2022-02-20 23:55:14,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:14,804 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 139 transitions. [2022-02-20 23:55:14,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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 23:55:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2022-02-20 23:55:14,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 23:55:14,806 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:14,806 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:14,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-20 23:55:14,806 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr43REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:14,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:14,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1795791349, now seen corresponding path program 1 times [2022-02-20 23:55:14,807 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:14,807 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153351366] [2022-02-20 23:55:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:14,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:14,867 INFO L290 TraceCheckUtils]: 0: Hoare triple {8059#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); {8059#true} is VALID [2022-02-20 23:55:14,867 INFO L290 TraceCheckUtils]: 1: Hoare triple {8059#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {8059#true} is VALID [2022-02-20 23:55:14,867 INFO L290 TraceCheckUtils]: 2: Hoare triple {8059#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {8059#true} is VALID [2022-02-20 23:55:14,868 INFO L290 TraceCheckUtils]: 3: Hoare triple {8059#true} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,869 INFO L290 TraceCheckUtils]: 4: Hoare triple {8061#(not (= (select (select |#memory_int| |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 := main_~list~0#1.base, main_~list~0#1.offset; {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,869 INFO L290 TraceCheckUtils]: 5: Hoare triple {8061#(not (= (select (select |#memory_int| |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; {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,869 INFO L290 TraceCheckUtils]: 6: Hoare triple {8061#(not (= (select (select |#memory_int| |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; {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,870 INFO L290 TraceCheckUtils]: 7: Hoare triple {8061#(not (= (select (select |#memory_int| |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; {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,870 INFO L290 TraceCheckUtils]: 8: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,870 INFO L290 TraceCheckUtils]: 9: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} goto; {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,871 INFO L290 TraceCheckUtils]: 10: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,871 INFO L290 TraceCheckUtils]: 11: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,871 INFO L290 TraceCheckUtils]: 12: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} goto; {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,872 INFO L290 TraceCheckUtils]: 13: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,872 INFO L290 TraceCheckUtils]: 14: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,872 INFO L290 TraceCheckUtils]: 15: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,873 INFO L290 TraceCheckUtils]: 16: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,874 INFO L290 TraceCheckUtils]: 17: Hoare triple {8061#(not (= (select (select |#memory_int| |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 := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,874 INFO L290 TraceCheckUtils]: 18: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,875 INFO L290 TraceCheckUtils]: 19: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:14,875 INFO L290 TraceCheckUtils]: 20: Hoare triple {8061#(not (= (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~RED))} SUMMARY for call main_#t~mem13#1 := read~int(main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1056 {8062#(not (= ~unnamed1~0~RED |ULTIMATE.start_main_#t~mem13#1|))} is VALID [2022-02-20 23:55:14,876 INFO L290 TraceCheckUtils]: 21: Hoare triple {8062#(not (= ~unnamed1~0~RED |ULTIMATE.start_main_#t~mem13#1|))} assume ~unnamed1~0~RED == main_#t~mem13#1;havoc main_#t~mem13#1; {8060#false} is VALID [2022-02-20 23:55:14,876 INFO L290 TraceCheckUtils]: 22: Hoare triple {8060#false} SUMMARY for call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1058 {8060#false} is VALID [2022-02-20 23:55:14,876 INFO L290 TraceCheckUtils]: 23: Hoare triple {8060#false} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {8060#false} is VALID [2022-02-20 23:55:14,876 INFO L290 TraceCheckUtils]: 24: Hoare triple {8060#false} assume 0 == main_~list~0#1.offset; {8060#false} is VALID [2022-02-20 23:55:14,876 INFO L290 TraceCheckUtils]: 25: Hoare triple {8060#false} assume main_~list~0#1.base < #StackHeapBarrier; {8060#false} is VALID [2022-02-20 23:55:14,877 INFO L290 TraceCheckUtils]: 26: Hoare triple {8060#false} assume 0 == main_~list~0#1.base || 1 == #valid[main_~list~0#1.base];call ULTIMATE.dealloc(main_~list~0#1.base, main_~list~0#1.offset); {8060#false} is VALID [2022-02-20 23:55:14,877 INFO L290 TraceCheckUtils]: 27: Hoare triple {8060#false} assume !(1 == #valid[main_~end~0#1.base]); {8060#false} is VALID [2022-02-20 23:55:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:55:14,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:14,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153351366] [2022-02-20 23:55:14,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153351366] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:14,878 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:14,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:14,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664431545] [2022-02-20 23:55:14,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:14,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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) Word has length 28 [2022-02-20 23:55:14,878 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:14,879 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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 23:55:14,893 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:14,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:14,893 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:14,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:14,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:14,894 INFO L87 Difference]: Start difference. First operand 130 states and 139 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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 23:55:15,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:15,058 INFO L93 Difference]: Finished difference Result 138 states and 147 transitions. [2022-02-20 23:55:15,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:55:15,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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) Word has length 28 [2022-02-20 23:55:15,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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 23:55:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 116 transitions. [2022-02-20 23:55:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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 23:55:15,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 116 transitions. [2022-02-20 23:55:15,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 116 transitions. [2022-02-20 23:55:15,130 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:15,132 INFO L225 Difference]: With dead ends: 138 [2022-02-20 23:55:15,132 INFO L226 Difference]: Without dead ends: 138 [2022-02-20 23:55:15,133 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 23:55:15,135 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 6 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:15,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 211 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-02-20 23:55:15,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 133. [2022-02-20 23:55:15,137 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:15,137 INFO L82 GeneralOperation]: Start isEquivalent. First operand 138 states. Second operand has 133 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 132 states have internal predecessors, (142), 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 23:55:15,137 INFO L74 IsIncluded]: Start isIncluded. First operand 138 states. Second operand has 133 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 132 states have internal predecessors, (142), 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 23:55:15,137 INFO L87 Difference]: Start difference. First operand 138 states. Second operand has 133 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 132 states have internal predecessors, (142), 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 23:55:15,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:15,139 INFO L93 Difference]: Finished difference Result 138 states and 147 transitions. [2022-02-20 23:55:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2022-02-20 23:55:15,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:15,139 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:15,139 INFO L74 IsIncluded]: Start isIncluded. First operand has 133 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 132 states have internal predecessors, (142), 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 138 states. [2022-02-20 23:55:15,140 INFO L87 Difference]: Start difference. First operand has 133 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 132 states have internal predecessors, (142), 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 138 states. [2022-02-20 23:55:15,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:15,141 INFO L93 Difference]: Finished difference Result 138 states and 147 transitions. [2022-02-20 23:55:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 147 transitions. [2022-02-20 23:55:15,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:15,141 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:15,142 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:15,142 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 111 states have (on average 1.2792792792792793) internal successors, (142), 132 states have internal predecessors, (142), 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 23:55:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 142 transitions. [2022-02-20 23:55:15,144 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 142 transitions. Word has length 28 [2022-02-20 23:55:15,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:15,144 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 142 transitions. [2022-02-20 23:55:15,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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 23:55:15,144 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2022-02-20 23:55:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:55:15,145 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:15,145 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:15,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-20 23:55:15,146 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:15,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:15,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1776841875, now seen corresponding path program 1 times [2022-02-20 23:55:15,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:15,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812103170] [2022-02-20 23:55:15,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:15,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:15,266 INFO L290 TraceCheckUtils]: 0: Hoare triple {8614#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); {8614#true} is VALID [2022-02-20 23:55:15,267 INFO L290 TraceCheckUtils]: 1: Hoare triple {8614#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {8614#true} is VALID [2022-02-20 23:55:15,267 INFO L290 TraceCheckUtils]: 2: Hoare triple {8614#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {8614#true} is VALID [2022-02-20 23:55:15,267 INFO L290 TraceCheckUtils]: 3: Hoare triple {8614#true} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {8614#true} is VALID [2022-02-20 23:55:15,267 INFO L290 TraceCheckUtils]: 4: Hoare triple {8614#true} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {8614#true} is VALID [2022-02-20 23:55:15,268 INFO L290 TraceCheckUtils]: 5: Hoare triple {8614#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8614#true} is VALID [2022-02-20 23:55:15,268 INFO L290 TraceCheckUtils]: 6: Hoare triple {8614#true} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8614#true} is VALID [2022-02-20 23:55:15,268 INFO L290 TraceCheckUtils]: 7: Hoare triple {8614#true} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,269 INFO L290 TraceCheckUtils]: 8: Hoare triple {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,269 INFO L290 TraceCheckUtils]: 9: Hoare triple {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} goto; {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,270 INFO L290 TraceCheckUtils]: 10: Hoare triple {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,270 INFO L290 TraceCheckUtils]: 11: Hoare triple {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,271 INFO L290 TraceCheckUtils]: 12: Hoare triple {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} goto; {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,271 INFO L290 TraceCheckUtils]: 13: Hoare triple {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,272 INFO L290 TraceCheckUtils]: 14: Hoare triple {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,272 INFO L290 TraceCheckUtils]: 15: Hoare triple {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,273 INFO L290 TraceCheckUtils]: 16: Hoare triple {8616#(and (= (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {8617#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem12#1.base|) (= |ULTIMATE.start_main_#t~mem12#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:15,273 INFO L290 TraceCheckUtils]: 17: Hoare triple {8617#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem12#1.base|) (= |ULTIMATE.start_main_#t~mem12#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {8618#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|))} is VALID [2022-02-20 23:55:15,273 INFO L290 TraceCheckUtils]: 18: Hoare triple {8618#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,274 INFO L290 TraceCheckUtils]: 19: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,274 INFO L290 TraceCheckUtils]: 20: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1056 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,279 INFO L290 TraceCheckUtils]: 21: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem13#1);havoc main_#t~mem13#1; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,280 INFO L290 TraceCheckUtils]: 22: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1065 {8620#(and (= |ULTIMATE.start_main_#t~mem16#1.offset| 0) (= |ULTIMATE.start_main_#t~mem16#1.base| 0))} is VALID [2022-02-20 23:55:15,280 INFO L290 TraceCheckUtils]: 23: Hoare triple {8620#(and (= |ULTIMATE.start_main_#t~mem16#1.offset| 0) (= |ULTIMATE.start_main_#t~mem16#1.base| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:15,280 INFO L290 TraceCheckUtils]: 24: Hoare triple {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume 0 == main_~list~0#1.offset; {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:15,281 INFO L290 TraceCheckUtils]: 25: Hoare triple {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume main_~list~0#1.base < #StackHeapBarrier; {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:15,281 INFO L290 TraceCheckUtils]: 26: Hoare triple {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume 0 == main_~list~0#1.base || 1 == #valid[main_~list~0#1.base];call ULTIMATE.dealloc(main_~list~0#1.base, main_~list~0#1.offset);main_~list~0#1.base, main_~list~0#1.offset := main_~end~0#1.base, main_~end~0#1.offset; {8622#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:55:15,281 INFO L290 TraceCheckUtils]: 27: Hoare triple {8622#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {8615#false} is VALID [2022-02-20 23:55:15,282 INFO L290 TraceCheckUtils]: 28: Hoare triple {8615#false} assume !(1 == #valid[main_~list~0#1.base]); {8615#false} is VALID [2022-02-20 23:55:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:15,282 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:15,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812103170] [2022-02-20 23:55:15,282 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812103170] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:15,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380516791] [2022-02-20 23:55:15,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:15,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:15,300 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 23:55:15,351 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 23:55:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:15,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-20 23:55:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:15,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:15,407 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 11 treesize of output 7 [2022-02-20 23:55:15,410 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 11 treesize of output 7 [2022-02-20 23:55:15,435 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-02-20 23:55:15,436 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 21 treesize of output 20 [2022-02-20 23:55:15,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:15,444 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 21 treesize of output 20 [2022-02-20 23:55:15,587 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 23:55:15,600 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 23:55:15,644 INFO L290 TraceCheckUtils]: 0: Hoare triple {8614#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); {8614#true} is VALID [2022-02-20 23:55:15,645 INFO L290 TraceCheckUtils]: 1: Hoare triple {8614#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {8614#true} is VALID [2022-02-20 23:55:15,645 INFO L290 TraceCheckUtils]: 2: Hoare triple {8614#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,646 INFO L290 TraceCheckUtils]: 3: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,646 INFO L290 TraceCheckUtils]: 4: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,647 INFO L290 TraceCheckUtils]: 5: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,647 INFO L290 TraceCheckUtils]: 6: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,647 INFO L290 TraceCheckUtils]: 7: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,648 INFO L290 TraceCheckUtils]: 8: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,648 INFO L290 TraceCheckUtils]: 9: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} goto; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,649 INFO L290 TraceCheckUtils]: 10: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,649 INFO L290 TraceCheckUtils]: 11: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,649 INFO L290 TraceCheckUtils]: 12: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} goto; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,650 INFO L290 TraceCheckUtils]: 13: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,650 INFO L290 TraceCheckUtils]: 14: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,651 INFO L290 TraceCheckUtils]: 15: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,651 INFO L290 TraceCheckUtils]: 16: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,651 INFO L290 TraceCheckUtils]: 17: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,652 INFO L290 TraceCheckUtils]: 18: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,652 INFO L290 TraceCheckUtils]: 19: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,652 INFO L290 TraceCheckUtils]: 20: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1056 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,653 INFO L290 TraceCheckUtils]: 21: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem13#1);havoc main_#t~mem13#1; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,653 INFO L290 TraceCheckUtils]: 22: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1065 {8620#(and (= |ULTIMATE.start_main_#t~mem16#1.offset| 0) (= |ULTIMATE.start_main_#t~mem16#1.base| 0))} is VALID [2022-02-20 23:55:15,654 INFO L290 TraceCheckUtils]: 23: Hoare triple {8620#(and (= |ULTIMATE.start_main_#t~mem16#1.offset| 0) (= |ULTIMATE.start_main_#t~mem16#1.base| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:15,654 INFO L290 TraceCheckUtils]: 24: Hoare triple {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume 0 == main_~list~0#1.offset; {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:15,654 INFO L290 TraceCheckUtils]: 25: Hoare triple {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume main_~list~0#1.base < #StackHeapBarrier; {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:15,655 INFO L290 TraceCheckUtils]: 26: Hoare triple {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume 0 == main_~list~0#1.base || 1 == #valid[main_~list~0#1.base];call ULTIMATE.dealloc(main_~list~0#1.base, main_~list~0#1.offset);main_~list~0#1.base, main_~list~0#1.offset := main_~end~0#1.base, main_~end~0#1.offset; {8622#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:55:15,655 INFO L290 TraceCheckUtils]: 27: Hoare triple {8622#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {8615#false} is VALID [2022-02-20 23:55:15,655 INFO L290 TraceCheckUtils]: 28: Hoare triple {8615#false} assume !(1 == #valid[main_~list~0#1.base]); {8615#false} is VALID [2022-02-20 23:55:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:55:15,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:15,826 INFO L290 TraceCheckUtils]: 28: Hoare triple {8615#false} assume !(1 == #valid[main_~list~0#1.base]); {8615#false} is VALID [2022-02-20 23:55:15,827 INFO L290 TraceCheckUtils]: 27: Hoare triple {8622#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {8615#false} is VALID [2022-02-20 23:55:15,827 INFO L290 TraceCheckUtils]: 26: Hoare triple {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume 0 == main_~list~0#1.base || 1 == #valid[main_~list~0#1.base];call ULTIMATE.dealloc(main_~list~0#1.base, main_~list~0#1.offset);main_~list~0#1.base, main_~list~0#1.offset := main_~end~0#1.base, main_~end~0#1.offset; {8622#(and (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~list~0#1.base| 0))} is VALID [2022-02-20 23:55:15,831 INFO L290 TraceCheckUtils]: 25: Hoare triple {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume main_~list~0#1.base < #StackHeapBarrier; {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:15,832 INFO L290 TraceCheckUtils]: 24: Hoare triple {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume 0 == main_~list~0#1.offset; {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:15,832 INFO L290 TraceCheckUtils]: 23: Hoare triple {8620#(and (= |ULTIMATE.start_main_#t~mem16#1.offset| 0) (= |ULTIMATE.start_main_#t~mem16#1.base| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {8621#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:15,832 INFO L290 TraceCheckUtils]: 22: Hoare triple {8619#(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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1065 {8620#(and (= |ULTIMATE.start_main_#t~mem16#1.offset| 0) (= |ULTIMATE.start_main_#t~mem16#1.base| 0))} is VALID [2022-02-20 23:55:15,833 INFO L290 TraceCheckUtils]: 21: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem13#1);havoc main_#t~mem13#1; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,833 INFO L290 TraceCheckUtils]: 20: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem13#1 := read~int(main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1056 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,834 INFO L290 TraceCheckUtils]: 19: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,834 INFO L290 TraceCheckUtils]: 18: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,834 INFO L290 TraceCheckUtils]: 17: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,835 INFO L290 TraceCheckUtils]: 16: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,835 INFO L290 TraceCheckUtils]: 15: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,835 INFO L290 TraceCheckUtils]: 14: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,836 INFO L290 TraceCheckUtils]: 13: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,836 INFO L290 TraceCheckUtils]: 12: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} goto; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,837 INFO L290 TraceCheckUtils]: 11: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,837 INFO L290 TraceCheckUtils]: 10: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,838 INFO L290 TraceCheckUtils]: 9: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} goto; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,838 INFO L290 TraceCheckUtils]: 8: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,839 INFO L290 TraceCheckUtils]: 7: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,839 INFO L290 TraceCheckUtils]: 6: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,839 INFO L290 TraceCheckUtils]: 5: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,840 INFO L290 TraceCheckUtils]: 4: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,840 INFO L290 TraceCheckUtils]: 3: Hoare triple {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {8619#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:15,841 INFO L290 TraceCheckUtils]: 2: Hoare triple {8614#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {8619#(and (= (select (select |#memory_$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 23:55:15,841 INFO L290 TraceCheckUtils]: 1: Hoare triple {8614#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {8614#true} is VALID [2022-02-20 23:55:15,841 INFO L290 TraceCheckUtils]: 0: Hoare triple {8614#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); {8614#true} is VALID [2022-02-20 23:55:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:55:15,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380516791] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:15,842 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:15,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-02-20 23:55:15,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30025932] [2022-02-20 23:55:15,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:15,842 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 29 [2022-02-20 23:55:15,842 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:15,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 23:55:15,871 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:15,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 23:55:15,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:15,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 23:55:15,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:55:15,872 INFO L87 Difference]: Start difference. First operand 133 states and 142 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 23:55:16,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:16,749 INFO L93 Difference]: Finished difference Result 180 states and 192 transitions. [2022-02-20 23:55:16,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 23:55:16,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 29 [2022-02-20 23:55:16,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 23:55:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2022-02-20 23:55:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 23:55:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2022-02-20 23:55:16,751 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 170 transitions. [2022-02-20 23:55:16,909 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 170 edges. 170 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:16,911 INFO L225 Difference]: With dead ends: 180 [2022-02-20 23:55:16,911 INFO L226 Difference]: Without dead ends: 180 [2022-02-20 23:55:16,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-02-20 23:55:16,911 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 78 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:16,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 387 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:55:16,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-02-20 23:55:16,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 144. [2022-02-20 23:55:16,913 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:16,913 INFO L82 GeneralOperation]: Start isEquivalent. First operand 180 states. Second operand has 144 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 143 states have internal predecessors, (155), 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 23:55:16,913 INFO L74 IsIncluded]: Start isIncluded. First operand 180 states. Second operand has 144 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 143 states have internal predecessors, (155), 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 23:55:16,914 INFO L87 Difference]: Start difference. First operand 180 states. Second operand has 144 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 143 states have internal predecessors, (155), 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 23:55:16,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:16,915 INFO L93 Difference]: Finished difference Result 180 states and 192 transitions. [2022-02-20 23:55:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 192 transitions. [2022-02-20 23:55:16,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:16,916 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:16,916 INFO L74 IsIncluded]: Start isIncluded. First operand has 144 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 143 states have internal predecessors, (155), 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 180 states. [2022-02-20 23:55:16,916 INFO L87 Difference]: Start difference. First operand has 144 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 143 states have internal predecessors, (155), 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 180 states. [2022-02-20 23:55:16,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:16,918 INFO L93 Difference]: Finished difference Result 180 states and 192 transitions. [2022-02-20 23:55:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 192 transitions. [2022-02-20 23:55:16,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:16,918 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:16,918 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:16,918 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 122 states have (on average 1.2704918032786885) internal successors, (155), 143 states have internal predecessors, (155), 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 23:55:16,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 155 transitions. [2022-02-20 23:55:16,920 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 155 transitions. Word has length 29 [2022-02-20 23:55:16,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:16,920 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 155 transitions. [2022-02-20 23:55:16,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 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 23:55:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 155 transitions. [2022-02-20 23:55:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 23:55:16,920 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:16,920 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:16,953 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 23:55:17,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:17,121 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:17,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:17,121 INFO L85 PathProgramCache]: Analyzing trace with hash 752476291, now seen corresponding path program 1 times [2022-02-20 23:55:17,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:17,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648537800] [2022-02-20 23:55:17,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:17,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:17,171 INFO L290 TraceCheckUtils]: 0: Hoare triple {9492#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); {9492#true} is VALID [2022-02-20 23:55:17,171 INFO L290 TraceCheckUtils]: 1: Hoare triple {9492#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,172 INFO L290 TraceCheckUtils]: 2: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,172 INFO L290 TraceCheckUtils]: 3: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,173 INFO L290 TraceCheckUtils]: 4: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,173 INFO L290 TraceCheckUtils]: 5: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,173 INFO L290 TraceCheckUtils]: 6: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,174 INFO L290 TraceCheckUtils]: 7: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} 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; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,174 INFO L290 TraceCheckUtils]: 8: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,174 INFO L290 TraceCheckUtils]: 9: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,175 INFO L290 TraceCheckUtils]: 10: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,175 INFO L290 TraceCheckUtils]: 11: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,175 INFO L290 TraceCheckUtils]: 12: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,176 INFO L290 TraceCheckUtils]: 13: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,176 INFO L290 TraceCheckUtils]: 14: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,176 INFO L290 TraceCheckUtils]: 15: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,177 INFO L290 TraceCheckUtils]: 16: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,177 INFO L290 TraceCheckUtils]: 17: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} 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; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,177 INFO L290 TraceCheckUtils]: 18: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,178 INFO L290 TraceCheckUtils]: 19: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,178 INFO L290 TraceCheckUtils]: 20: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem13#1 := read~int(main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1056 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,178 INFO L290 TraceCheckUtils]: 21: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(~unnamed1~0~RED == main_#t~mem13#1);havoc main_#t~mem13#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,179 INFO L290 TraceCheckUtils]: 22: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1065 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,179 INFO L290 TraceCheckUtils]: 23: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,179 INFO L290 TraceCheckUtils]: 24: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~list~0#1.offset; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,180 INFO L290 TraceCheckUtils]: 25: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~list~0#1.base < #StackHeapBarrier; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,180 INFO L290 TraceCheckUtils]: 26: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~list~0#1.base || 1 == #valid[main_~list~0#1.base];call ULTIMATE.dealloc(main_~list~0#1.base, main_~list~0#1.offset);main_~list~0#1.base, main_~list~0#1.offset := main_~end~0#1.base, main_~end~0#1.offset; {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:17,180 INFO L290 TraceCheckUtils]: 27: Hoare triple {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:17,181 INFO L290 TraceCheckUtils]: 28: Hoare triple {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:17,181 INFO L290 TraceCheckUtils]: 29: Hoare triple {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {9493#false} is VALID [2022-02-20 23:55:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:55:17,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:17,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648537800] [2022-02-20 23:55:17,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648537800] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:17,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97005508] [2022-02-20 23:55:17,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:17,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:17,196 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 23:55:17,239 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 23:55:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:17,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 23:55:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:17,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:17,379 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 13 treesize of output 9 [2022-02-20 23:55:17,411 INFO L290 TraceCheckUtils]: 0: Hoare triple {9492#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); {9492#true} is VALID [2022-02-20 23:55:17,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {9492#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,412 INFO L290 TraceCheckUtils]: 2: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,413 INFO L290 TraceCheckUtils]: 3: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,413 INFO L290 TraceCheckUtils]: 4: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,414 INFO L290 TraceCheckUtils]: 5: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,414 INFO L290 TraceCheckUtils]: 6: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,414 INFO L290 TraceCheckUtils]: 7: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} 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; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,415 INFO L290 TraceCheckUtils]: 8: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,415 INFO L290 TraceCheckUtils]: 9: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,415 INFO L290 TraceCheckUtils]: 10: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,416 INFO L290 TraceCheckUtils]: 11: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,416 INFO L290 TraceCheckUtils]: 12: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,417 INFO L290 TraceCheckUtils]: 13: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,417 INFO L290 TraceCheckUtils]: 14: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,417 INFO L290 TraceCheckUtils]: 15: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,418 INFO L290 TraceCheckUtils]: 16: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,418 INFO L290 TraceCheckUtils]: 17: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} 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; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,419 INFO L290 TraceCheckUtils]: 18: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,419 INFO L290 TraceCheckUtils]: 19: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,419 INFO L290 TraceCheckUtils]: 20: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem13#1 := read~int(main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1056 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,420 INFO L290 TraceCheckUtils]: 21: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(~unnamed1~0~RED == main_#t~mem13#1);havoc main_#t~mem13#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,420 INFO L290 TraceCheckUtils]: 22: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1065 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,421 INFO L290 TraceCheckUtils]: 23: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,421 INFO L290 TraceCheckUtils]: 24: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~list~0#1.offset; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,421 INFO L290 TraceCheckUtils]: 25: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~list~0#1.base < #StackHeapBarrier; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,422 INFO L290 TraceCheckUtils]: 26: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~list~0#1.base || 1 == #valid[main_~list~0#1.base];call ULTIMATE.dealloc(main_~list~0#1.base, main_~list~0#1.offset);main_~list~0#1.base, main_~list~0#1.offset := main_~end~0#1.base, main_~end~0#1.offset; {9577#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_35| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_35|) 0)))} is VALID [2022-02-20 23:55:17,422 INFO L290 TraceCheckUtils]: 27: Hoare triple {9577#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_35| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_35|) 0)))} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {9577#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_35| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_35|) 0)))} is VALID [2022-02-20 23:55:17,423 INFO L290 TraceCheckUtils]: 28: Hoare triple {9577#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_35| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_35|) 0)))} main_#res#1 := 0; {9577#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_35| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_35|) 0)))} is VALID [2022-02-20 23:55:17,423 INFO L290 TraceCheckUtils]: 29: Hoare triple {9577#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|v_ULTIMATE.start_main_~list~0#1.base_35| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~list~0#1.base_35|) 0)))} assume !(#valid == main_old_#valid#1); {9493#false} is VALID [2022-02-20 23:55:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:55:17,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:17,504 INFO L290 TraceCheckUtils]: 29: Hoare triple {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {9493#false} is VALID [2022-02-20 23:55:17,504 INFO L290 TraceCheckUtils]: 28: Hoare triple {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:17,505 INFO L290 TraceCheckUtils]: 27: Hoare triple {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:17,505 INFO L290 TraceCheckUtils]: 26: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~list~0#1.base || 1 == #valid[main_~list~0#1.base];call ULTIMATE.dealloc(main_~list~0#1.base, main_~list~0#1.offset);main_~list~0#1.base, main_~list~0#1.offset := main_~end~0#1.base, main_~end~0#1.offset; {9495#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:55:17,506 INFO L290 TraceCheckUtils]: 25: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~list~0#1.base < #StackHeapBarrier; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,506 INFO L290 TraceCheckUtils]: 24: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~list~0#1.offset; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,506 INFO L290 TraceCheckUtils]: 23: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,507 INFO L290 TraceCheckUtils]: 22: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1065 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,507 INFO L290 TraceCheckUtils]: 21: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(~unnamed1~0~RED == main_#t~mem13#1);havoc main_#t~mem13#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,508 INFO L290 TraceCheckUtils]: 20: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem13#1 := read~int(main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1056 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,508 INFO L290 TraceCheckUtils]: 19: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~list~0#1.base || 0 != main_~list~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,509 INFO L290 TraceCheckUtils]: 18: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,509 INFO L290 TraceCheckUtils]: 17: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} 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; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,509 INFO L290 TraceCheckUtils]: 16: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,510 INFO L290 TraceCheckUtils]: 15: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,510 INFO L290 TraceCheckUtils]: 14: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,511 INFO L290 TraceCheckUtils]: 13: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,511 INFO L290 TraceCheckUtils]: 12: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,511 INFO L290 TraceCheckUtils]: 11: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,512 INFO L290 TraceCheckUtils]: 10: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,512 INFO L290 TraceCheckUtils]: 9: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} goto; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,513 INFO L290 TraceCheckUtils]: 8: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,513 INFO L290 TraceCheckUtils]: 7: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} 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; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,514 INFO L290 TraceCheckUtils]: 6: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,514 INFO L290 TraceCheckUtils]: 5: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,514 INFO L290 TraceCheckUtils]: 4: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,515 INFO L290 TraceCheckUtils]: 3: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,516 INFO L290 TraceCheckUtils]: 2: Hoare triple {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,516 INFO L290 TraceCheckUtils]: 1: Hoare triple {9492#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {9494#(= (store |#valid| |ULTIMATE.start_main_~list~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:55:17,516 INFO L290 TraceCheckUtils]: 0: Hoare triple {9492#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); {9492#true} is VALID [2022-02-20 23:55:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:55:17,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97005508] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:17,517 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:17,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2022-02-20 23:55:17,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442978112] [2022-02-20 23:55:17,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:17,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 30 [2022-02-20 23:55:17,518 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:17,518 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 23:55:17,540 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 23:55:17,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:55:17,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:17,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:55:17,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:17,541 INFO L87 Difference]: Start difference. First operand 144 states and 155 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 23:55:17,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:17,759 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2022-02-20 23:55:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:55:17,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 30 [2022-02-20 23:55:17,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 23:55:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 117 transitions. [2022-02-20 23:55:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 23:55:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 117 transitions. [2022-02-20 23:55:17,761 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 117 transitions. [2022-02-20 23:55:17,847 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:17,849 INFO L225 Difference]: With dead ends: 152 [2022-02-20 23:55:17,849 INFO L226 Difference]: Without dead ends: 129 [2022-02-20 23:55:17,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:55:17,850 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:17,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 1 Unchecked, 0.1s Time] [2022-02-20 23:55:17,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-02-20 23:55:17,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2022-02-20 23:55:17,853 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:17,853 INFO L82 GeneralOperation]: Start isEquivalent. First operand 129 states. Second operand has 129 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 128 states have internal predecessors, (139), 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 23:55:17,853 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand has 129 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 128 states have internal predecessors, (139), 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 23:55:17,853 INFO L87 Difference]: Start difference. First operand 129 states. Second operand has 129 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 128 states have internal predecessors, (139), 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 23:55:17,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:17,856 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2022-02-20 23:55:17,857 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2022-02-20 23:55:17,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:17,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:17,857 INFO L74 IsIncluded]: Start isIncluded. First operand has 129 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 128 states have internal predecessors, (139), 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 129 states. [2022-02-20 23:55:17,857 INFO L87 Difference]: Start difference. First operand has 129 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 128 states have internal predecessors, (139), 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 129 states. [2022-02-20 23:55:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:17,859 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2022-02-20 23:55:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2022-02-20 23:55:17,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:17,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:17,859 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:17,859 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 128 states have internal predecessors, (139), 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 23:55:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 139 transitions. [2022-02-20 23:55:17,861 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 139 transitions. Word has length 30 [2022-02-20 23:55:17,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:17,861 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 139 transitions. [2022-02-20 23:55:17,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 23:55:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2022-02-20 23:55:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 23:55:17,862 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:17,862 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, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:17,893 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 23:55:18,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-20 23:55:18,078 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:18,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:18,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2041230200, now seen corresponding path program 1 times [2022-02-20 23:55:18,079 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:18,079 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947548288] [2022-02-20 23:55:18,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:18,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:18,220 INFO L290 TraceCheckUtils]: 0: Hoare triple {10212#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); {10212#true} is VALID [2022-02-20 23:55:18,221 INFO L290 TraceCheckUtils]: 1: Hoare triple {10212#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {10212#true} is VALID [2022-02-20 23:55:18,221 INFO L290 TraceCheckUtils]: 2: Hoare triple {10212#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {10214#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,221 INFO L290 TraceCheckUtils]: 3: Hoare triple {10214#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {10214#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,222 INFO L290 TraceCheckUtils]: 4: Hoare triple {10214#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {10215#(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 23:55:18,222 INFO L290 TraceCheckUtils]: 5: Hoare triple {10215#(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; {10215#(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 23:55:18,223 INFO L290 TraceCheckUtils]: 6: Hoare triple {10215#(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); {10216#(and (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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 23:55:18,224 INFO L290 TraceCheckUtils]: 7: Hoare triple {10216#(and (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {10217#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,224 INFO L290 TraceCheckUtils]: 8: Hoare triple {10217#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {10217#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,225 INFO L290 TraceCheckUtils]: 9: Hoare triple {10217#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {10218#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,225 INFO L290 TraceCheckUtils]: 10: Hoare triple {10218#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {10219#(and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,226 INFO L290 TraceCheckUtils]: 11: Hoare triple {10219#(and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {10219#(and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,227 INFO L290 TraceCheckUtils]: 12: Hoare triple {10219#(and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {10219#(and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,227 INFO L290 TraceCheckUtils]: 13: Hoare triple {10219#(and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {10219#(and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:18,228 INFO L290 TraceCheckUtils]: 14: Hoare triple {10219#(and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {10220#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,228 INFO L290 TraceCheckUtils]: 15: Hoare triple {10220#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10220#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,228 INFO L290 TraceCheckUtils]: 16: Hoare triple {10220#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {10220#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,229 INFO L290 TraceCheckUtils]: 17: Hoare triple {10220#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1)} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,229 INFO L290 TraceCheckUtils]: 18: Hoare triple {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,229 INFO L290 TraceCheckUtils]: 19: Hoare triple {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} goto; {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,230 INFO L290 TraceCheckUtils]: 20: Hoare triple {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,230 INFO L290 TraceCheckUtils]: 21: Hoare triple {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,230 INFO L290 TraceCheckUtils]: 22: Hoare triple {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} goto; {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,230 INFO L290 TraceCheckUtils]: 23: Hoare triple {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,231 INFO L290 TraceCheckUtils]: 24: Hoare triple {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,231 INFO L290 TraceCheckUtils]: 25: Hoare triple {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:18,231 INFO L290 TraceCheckUtils]: 26: Hoare triple {10221#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {10222#(= (select |#valid| |ULTIMATE.start_main_#t~mem12#1.base|) 1)} is VALID [2022-02-20 23:55:18,232 INFO L290 TraceCheckUtils]: 27: Hoare triple {10222#(= (select |#valid| |ULTIMATE.start_main_#t~mem12#1.base|) 1)} 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; {10223#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,232 INFO L290 TraceCheckUtils]: 28: Hoare triple {10223#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {10223#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} is VALID [2022-02-20 23:55:18,232 INFO L290 TraceCheckUtils]: 29: Hoare triple {10223#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} assume !(1 == #valid[main_~end~0#1.base]); {10213#false} is VALID [2022-02-20 23:55:18,233 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 23:55:18,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:18,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947548288] [2022-02-20 23:55:18,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947548288] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:18,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044268140] [2022-02-20 23:55:18,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:18,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:18,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:18,248 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 23:55:18,249 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 23:55:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:18,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-20 23:55:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:18,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:18,340 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 23:55:18,423 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:55:18,423 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 23:55:18,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:18,635 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:18,636 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 31 treesize of output 29 [2022-02-20 23:55:18,706 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:18,707 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 28 treesize of output 29 [2022-02-20 23:55:18,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:18,966 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-02-20 23:55:19,108 INFO L290 TraceCheckUtils]: 0: Hoare triple {10212#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); {10212#true} is VALID [2022-02-20 23:55:19,108 INFO L290 TraceCheckUtils]: 1: Hoare triple {10212#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {10230#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:19,109 INFO L290 TraceCheckUtils]: 2: Hoare triple {10230#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {10230#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:19,109 INFO L290 TraceCheckUtils]: 3: Hoare triple {10230#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {10230#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:19,110 INFO L290 TraceCheckUtils]: 4: Hoare triple {10230#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {10240#(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 23:55:19,110 INFO L290 TraceCheckUtils]: 5: Hoare triple {10240#(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; {10240#(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 23:55:19,111 INFO L290 TraceCheckUtils]: 6: Hoare triple {10240#(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); {10247#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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 23:55:19,112 INFO L290 TraceCheckUtils]: 7: Hoare triple {10247#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {10251#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,112 INFO L290 TraceCheckUtils]: 8: Hoare triple {10251#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {10251#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,113 INFO L290 TraceCheckUtils]: 9: Hoare triple {10251#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {10258#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,113 INFO L290 TraceCheckUtils]: 10: Hoare triple {10258#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {10262#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,114 INFO L290 TraceCheckUtils]: 11: Hoare triple {10262#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {10262#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,115 INFO L290 TraceCheckUtils]: 12: Hoare triple {10262#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {10262#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,115 INFO L290 TraceCheckUtils]: 13: Hoare triple {10262#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {10262#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,116 INFO L290 TraceCheckUtils]: 14: Hoare triple {10262#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {10275#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,116 INFO L290 TraceCheckUtils]: 15: Hoare triple {10275#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10275#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,117 INFO L290 TraceCheckUtils]: 16: Hoare triple {10275#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {10275#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:19,117 INFO L290 TraceCheckUtils]: 17: Hoare triple {10275#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 1))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:19,143 INFO L290 TraceCheckUtils]: 18: Hoare triple {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:19,144 INFO L290 TraceCheckUtils]: 19: Hoare triple {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} goto; {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:19,145 INFO L290 TraceCheckUtils]: 20: Hoare triple {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:19,145 INFO L290 TraceCheckUtils]: 21: Hoare triple {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:19,145 INFO L290 TraceCheckUtils]: 22: Hoare triple {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} goto; {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:19,146 INFO L290 TraceCheckUtils]: 23: Hoare triple {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:19,146 INFO L290 TraceCheckUtils]: 24: Hoare triple {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:19,147 INFO L290 TraceCheckUtils]: 25: Hoare triple {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:19,148 INFO L290 TraceCheckUtils]: 26: Hoare triple {10285#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 1) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {10313#(and (= (select |#valid| |ULTIMATE.start_main_#t~mem12#1.base|) 1) (exists ((|ULTIMATE.start_main_~end~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_#t~mem12#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1))))} is VALID [2022-02-20 23:55:19,148 INFO L290 TraceCheckUtils]: 27: Hoare triple {10313#(and (= (select |#valid| |ULTIMATE.start_main_#t~mem12#1.base|) 1) (exists ((|ULTIMATE.start_main_~end~0#1.base| Int)) (and (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_#t~mem12#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1))))} 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; {10317#(and (exists ((|v_ULTIMATE.start_main_~end~0#1.base_84| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_84|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_~end~0#1.base_84|)))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1))} is VALID [2022-02-20 23:55:19,149 INFO L290 TraceCheckUtils]: 28: Hoare triple {10317#(and (exists ((|v_ULTIMATE.start_main_~end~0#1.base_84| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_84|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_~end~0#1.base_84|)))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {10317#(and (exists ((|v_ULTIMATE.start_main_~end~0#1.base_84| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_84|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_~end~0#1.base_84|)))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1))} is VALID [2022-02-20 23:55:19,149 INFO L290 TraceCheckUtils]: 29: Hoare triple {10317#(and (exists ((|v_ULTIMATE.start_main_~end~0#1.base_84| Int)) (and (= (select |#valid| |v_ULTIMATE.start_main_~end~0#1.base_84|) 1) (not (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_~end~0#1.base_84|)))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1))} assume !(1 == #valid[main_~end~0#1.base]); {10213#false} is VALID [2022-02-20 23:55:19,149 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 23:55:19,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:20,202 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:20,202 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 20 treesize of output 21 [2022-02-20 23:55:20,219 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:20,219 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 34 treesize of output 37 [2022-02-20 23:55:20,236 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 11 treesize of output 9 [2022-02-20 23:55:21,809 INFO L290 TraceCheckUtils]: 29: Hoare triple {10223#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} assume !(1 == #valid[main_~end~0#1.base]); {10213#false} is VALID [2022-02-20 23:55:21,810 INFO L290 TraceCheckUtils]: 28: Hoare triple {10223#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {10223#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} is VALID [2022-02-20 23:55:21,810 INFO L290 TraceCheckUtils]: 27: Hoare triple {10222#(= (select |#valid| |ULTIMATE.start_main_#t~mem12#1.base|) 1)} 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; {10223#(= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1)} is VALID [2022-02-20 23:55:21,811 INFO L290 TraceCheckUtils]: 26: Hoare triple {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {10222#(= (select |#valid| |ULTIMATE.start_main_#t~mem12#1.base|) 1)} is VALID [2022-02-20 23:55:21,811 INFO L290 TraceCheckUtils]: 25: Hoare triple {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:21,811 INFO L290 TraceCheckUtils]: 24: Hoare triple {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:21,812 INFO L290 TraceCheckUtils]: 23: Hoare triple {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:21,812 INFO L290 TraceCheckUtils]: 22: Hoare triple {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} goto; {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:21,812 INFO L290 TraceCheckUtils]: 21: Hoare triple {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:21,813 INFO L290 TraceCheckUtils]: 20: Hoare triple {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:21,813 INFO L290 TraceCheckUtils]: 19: Hoare triple {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} goto; {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:21,813 INFO L290 TraceCheckUtils]: 18: Hoare triple {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:21,814 INFO L290 TraceCheckUtils]: 17: Hoare triple {10361#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {10333#(or (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:21,814 INFO L290 TraceCheckUtils]: 16: Hoare triple {10361#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {10361#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} is VALID [2022-02-20 23:55:21,815 INFO L290 TraceCheckUtils]: 15: Hoare triple {10361#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10361#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} is VALID [2022-02-20 23:55:21,816 INFO L290 TraceCheckUtils]: 14: Hoare triple {10371#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {10361#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} is VALID [2022-02-20 23:55:21,816 INFO L290 TraceCheckUtils]: 13: Hoare triple {10371#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {10371#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} is VALID [2022-02-20 23:55:21,817 INFO L290 TraceCheckUtils]: 12: Hoare triple {10371#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {10371#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} is VALID [2022-02-20 23:55:21,819 WARN L290 TraceCheckUtils]: 11: Hoare triple {10371#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {10371#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} is UNKNOWN [2022-02-20 23:55:21,820 INFO L290 TraceCheckUtils]: 10: Hoare triple {10384#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {10371#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} is VALID [2022-02-20 23:55:21,821 INFO L290 TraceCheckUtils]: 9: Hoare triple {10388#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {10384#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)) 1)))} is VALID [2022-02-20 23:55:21,822 INFO L290 TraceCheckUtils]: 8: Hoare triple {10388#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {10388#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)))))} is VALID [2022-02-20 23:55:21,823 INFO L290 TraceCheckUtils]: 7: Hoare triple {10395#(or (forall ((v_arrayElimCell_30 Int)) (= (select |#valid| v_arrayElimCell_30) 1)) (forall ((v_arrayElimCell_28 Int)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| v_arrayElimCell_28) 1)) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| v_arrayElimCell_28)))))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {10388#(forall ((v_ArrVal_492 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_69| |ULTIMATE.start_main_~list~0#1.offset|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_492) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_69|)))))} is VALID [2022-02-20 23:55:21,826 INFO L290 TraceCheckUtils]: 6: Hoare triple {10399#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1)))} 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); {10395#(or (forall ((v_arrayElimCell_30 Int)) (= (select |#valid| v_arrayElimCell_30) 1)) (forall ((v_arrayElimCell_28 Int)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select |#valid| v_arrayElimCell_28) 1)) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| v_arrayElimCell_28)))))))} is VALID [2022-02-20 23:55:21,828 INFO L290 TraceCheckUtils]: 5: Hoare triple {10399#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10399#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1)))} is VALID [2022-02-20 23:55:21,830 INFO L290 TraceCheckUtils]: 4: Hoare triple {10406#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {10399#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1)))} is VALID [2022-02-20 23:55:21,834 INFO L290 TraceCheckUtils]: 3: Hoare triple {10406#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {10406#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))))} is VALID [2022-02-20 23:55:21,837 INFO L290 TraceCheckUtils]: 2: Hoare triple {10406#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {10406#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))))} is VALID [2022-02-20 23:55:21,838 INFO L290 TraceCheckUtils]: 1: Hoare triple {10212#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {10406#(forall ((v_arrayElimCell_30 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_11| Int) (v_arrayElimCell_28 Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|) 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_28) 1) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_11|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_11| 1) v_arrayElimCell_30) 1) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_11| v_arrayElimCell_28))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0))))} is VALID [2022-02-20 23:55:21,838 INFO L290 TraceCheckUtils]: 0: Hoare triple {10212#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); {10212#true} is VALID [2022-02-20 23:55:21,839 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 23:55:21,839 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044268140] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:21,839 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:21,839 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 29 [2022-02-20 23:55:21,839 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041141066] [2022-02-20 23:55:21,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:21,840 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 30 states have internal predecessors, (85), 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 30 [2022-02-20 23:55:21,840 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:21,840 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 30 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 30 states have internal predecessors, (85), 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 23:55:31,949 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 79 inductive. 0 not inductive. 6 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:31,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 23:55:31,949 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:31,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 23:55:31,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=734, Unknown=7, NotChecked=0, Total=870 [2022-02-20 23:55:31,950 INFO L87 Difference]: Start difference. First operand 129 states and 139 transitions. Second operand has 30 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 30 states have internal predecessors, (85), 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 23:55:33,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:33,279 INFO L93 Difference]: Finished difference Result 167 states and 192 transitions. [2022-02-20 23:55:33,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-20 23:55:33,279 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 30 states have internal predecessors, (85), 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 30 [2022-02-20 23:55:33,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:33,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 30 states have internal predecessors, (85), 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 23:55:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 169 transitions. [2022-02-20 23:55:33,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 30 states have internal predecessors, (85), 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 23:55:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 169 transitions. [2022-02-20 23:55:33,283 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 169 transitions. [2022-02-20 23:55:33,407 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:33,408 INFO L225 Difference]: With dead ends: 167 [2022-02-20 23:55:33,408 INFO L226 Difference]: Without dead ends: 167 [2022-02-20 23:55:33,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=281, Invalid=1194, Unknown=7, NotChecked=0, Total=1482 [2022-02-20 23:55:33,409 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 284 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 548 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:33,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 539 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 480 Invalid, 0 Unknown, 548 Unchecked, 0.4s Time] [2022-02-20 23:55:33,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-02-20 23:55:33,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 137. [2022-02-20 23:55:33,411 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:33,411 INFO L82 GeneralOperation]: Start isEquivalent. First operand 167 states. Second operand has 137 states, 115 states have (on average 1.2956521739130435) internal successors, (149), 136 states have internal predecessors, (149), 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 23:55:33,412 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand has 137 states, 115 states have (on average 1.2956521739130435) internal successors, (149), 136 states have internal predecessors, (149), 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 23:55:33,412 INFO L87 Difference]: Start difference. First operand 167 states. Second operand has 137 states, 115 states have (on average 1.2956521739130435) internal successors, (149), 136 states have internal predecessors, (149), 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 23:55:33,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:33,413 INFO L93 Difference]: Finished difference Result 167 states and 192 transitions. [2022-02-20 23:55:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 192 transitions. [2022-02-20 23:55:33,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:33,414 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:33,414 INFO L74 IsIncluded]: Start isIncluded. First operand has 137 states, 115 states have (on average 1.2956521739130435) internal successors, (149), 136 states have internal predecessors, (149), 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 167 states. [2022-02-20 23:55:33,414 INFO L87 Difference]: Start difference. First operand has 137 states, 115 states have (on average 1.2956521739130435) internal successors, (149), 136 states have internal predecessors, (149), 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 167 states. [2022-02-20 23:55:33,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:33,416 INFO L93 Difference]: Finished difference Result 167 states and 192 transitions. [2022-02-20 23:55:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 192 transitions. [2022-02-20 23:55:33,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:33,417 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:33,417 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:33,417 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 115 states have (on average 1.2956521739130435) internal successors, (149), 136 states have internal predecessors, (149), 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 23:55:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 149 transitions. [2022-02-20 23:55:33,418 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 149 transitions. Word has length 30 [2022-02-20 23:55:33,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:33,419 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 149 transitions. [2022-02-20 23:55:33,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.9310344827586206) internal successors, (85), 30 states have internal predecessors, (85), 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 23:55:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2022-02-20 23:55:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 23:55:33,419 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:33,419 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, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:33,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:33,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-20 23:55:33,620 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:33,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:33,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2041230201, now seen corresponding path program 1 times [2022-02-20 23:55:33,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:33,621 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549003084] [2022-02-20 23:55:33,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:33,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:33,823 INFO L290 TraceCheckUtils]: 0: Hoare triple {11077#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); {11077#true} is VALID [2022-02-20 23:55:33,824 INFO L290 TraceCheckUtils]: 1: Hoare triple {11077#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {11077#true} is VALID [2022-02-20 23:55:33,824 INFO L290 TraceCheckUtils]: 2: Hoare triple {11077#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {11079#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:33,824 INFO L290 TraceCheckUtils]: 3: Hoare triple {11079#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {11079#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:33,825 INFO L290 TraceCheckUtils]: 4: Hoare triple {11079#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {11080#(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 23:55:33,825 INFO L290 TraceCheckUtils]: 5: Hoare triple {11080#(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; {11080#(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 23:55:33,826 INFO L290 TraceCheckUtils]: 6: Hoare triple {11080#(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); {11081#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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|) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8))} is VALID [2022-02-20 23:55:33,827 INFO L290 TraceCheckUtils]: 7: Hoare triple {11081#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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|) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {11082#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,827 INFO L290 TraceCheckUtils]: 8: Hoare triple {11082#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11082#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,828 INFO L290 TraceCheckUtils]: 9: Hoare triple {11082#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {11083#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,829 INFO L290 TraceCheckUtils]: 10: Hoare triple {11083#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11084#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:33,829 INFO L290 TraceCheckUtils]: 11: Hoare triple {11084#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {11084#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:33,830 INFO L290 TraceCheckUtils]: 12: Hoare triple {11084#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {11084#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:33,830 INFO L290 TraceCheckUtils]: 13: Hoare triple {11084#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {11084#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:33,831 INFO L290 TraceCheckUtils]: 14: Hoare triple {11084#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {11085#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,832 INFO L290 TraceCheckUtils]: 15: Hoare triple {11085#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11085#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,832 INFO L290 TraceCheckUtils]: 16: Hoare triple {11085#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {11085#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,832 INFO L290 TraceCheckUtils]: 17: Hoare triple {11085#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,833 INFO L290 TraceCheckUtils]: 18: Hoare triple {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,833 INFO L290 TraceCheckUtils]: 19: Hoare triple {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,834 INFO L290 TraceCheckUtils]: 20: Hoare triple {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,834 INFO L290 TraceCheckUtils]: 21: Hoare triple {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,835 INFO L290 TraceCheckUtils]: 22: Hoare triple {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,835 INFO L290 TraceCheckUtils]: 23: Hoare triple {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,835 INFO L290 TraceCheckUtils]: 24: Hoare triple {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,836 INFO L290 TraceCheckUtils]: 25: Hoare triple {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:33,836 INFO L290 TraceCheckUtils]: 26: Hoare triple {11086#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {11087#(and (= (select |#length| |ULTIMATE.start_main_#t~mem12#1.base|) 8) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:55:33,837 INFO L290 TraceCheckUtils]: 27: Hoare triple {11087#(and (= (select |#length| |ULTIMATE.start_main_#t~mem12#1.base|) 8) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} 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; {11088#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~end~0#1.base|) (- 8)) 0))} is VALID [2022-02-20 23:55:33,837 INFO L290 TraceCheckUtils]: 28: Hoare triple {11088#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~end~0#1.base|) (- 8)) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {11088#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~end~0#1.base|) (- 8)) 0))} is VALID [2022-02-20 23:55:33,838 INFO L290 TraceCheckUtils]: 29: Hoare triple {11088#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~end~0#1.base|) (- 8)) 0))} assume !(4 + (4 + main_~end~0#1.offset) <= #length[main_~end~0#1.base] && 0 <= 4 + main_~end~0#1.offset); {11078#false} is VALID [2022-02-20 23:55:33,838 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 23:55:33,838 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:33,838 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549003084] [2022-02-20 23:55:33,838 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549003084] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:33,838 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202816679] [2022-02-20 23:55:33,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:33,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:33,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:33,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:33,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 23:55:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:33,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-20 23:55:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:33,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:33,937 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 23:55:34,033 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 23:55:34,068 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:34,068 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 23:55:34,124 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 11 treesize of output 7 [2022-02-20 23:55:34,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:34,285 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:55:34,285 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 23:55:34,291 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 23:55:34,305 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:34,305 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 31 treesize of output 29 [2022-02-20 23:55:34,387 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:34,387 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 38 treesize of output 37 [2022-02-20 23:55:34,392 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 23:55:34,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:34,669 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:34,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:34,702 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:34,702 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 25 treesize of output 16 [2022-02-20 23:55:34,777 INFO L290 TraceCheckUtils]: 0: Hoare triple {11077#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); {11077#true} is VALID [2022-02-20 23:55:34,778 INFO L290 TraceCheckUtils]: 1: Hoare triple {11077#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {11095#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,779 INFO L290 TraceCheckUtils]: 2: Hoare triple {11095#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {11095#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,779 INFO L290 TraceCheckUtils]: 3: Hoare triple {11095#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {11095#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,780 INFO L290 TraceCheckUtils]: 4: Hoare triple {11095#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {11105#(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 23:55:34,780 INFO L290 TraceCheckUtils]: 5: Hoare triple {11105#(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; {11105#(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 23:55:34,781 INFO L290 TraceCheckUtils]: 6: Hoare triple {11105#(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); {11112#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} is VALID [2022-02-20 23:55:34,782 INFO L290 TraceCheckUtils]: 7: Hoare triple {11112#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {11116#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,782 INFO L290 TraceCheckUtils]: 8: Hoare triple {11116#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11116#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,783 INFO L290 TraceCheckUtils]: 9: Hoare triple {11116#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {11123#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,783 INFO L290 TraceCheckUtils]: 10: Hoare triple {11123#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11127#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,784 INFO L290 TraceCheckUtils]: 11: Hoare triple {11127#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {11127#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,785 INFO L290 TraceCheckUtils]: 12: Hoare triple {11127#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {11127#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,785 INFO L290 TraceCheckUtils]: 13: Hoare triple {11127#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {11127#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,786 INFO L290 TraceCheckUtils]: 14: Hoare triple {11127#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {11140#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,787 INFO L290 TraceCheckUtils]: 15: Hoare triple {11140#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11140#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,787 INFO L290 TraceCheckUtils]: 16: Hoare triple {11140#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {11140#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,788 INFO L290 TraceCheckUtils]: 17: Hoare triple {11140#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:34,788 INFO L290 TraceCheckUtils]: 18: Hoare triple {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:34,789 INFO L290 TraceCheckUtils]: 19: Hoare triple {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} goto; {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:34,789 INFO L290 TraceCheckUtils]: 20: Hoare triple {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:34,790 INFO L290 TraceCheckUtils]: 21: Hoare triple {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:34,790 INFO L290 TraceCheckUtils]: 22: Hoare triple {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} goto; {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:34,790 INFO L290 TraceCheckUtils]: 23: Hoare triple {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:34,791 INFO L290 TraceCheckUtils]: 24: Hoare triple {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:34,791 INFO L290 TraceCheckUtils]: 25: Hoare triple {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:34,792 INFO L290 TraceCheckUtils]: 26: Hoare triple {11150#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {11178#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem12#1.base|)) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:55:34,793 INFO L290 TraceCheckUtils]: 27: Hoare triple {11178#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem12#1.base|)) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} 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; {11182#(and (<= 8 (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,793 INFO L290 TraceCheckUtils]: 28: Hoare triple {11182#(and (<= 8 (select |#length| |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); {11182#(and (<= 8 (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:34,793 INFO L290 TraceCheckUtils]: 29: Hoare triple {11182#(and (<= 8 (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume !(4 + (4 + main_~end~0#1.offset) <= #length[main_~end~0#1.base] && 0 <= 4 + main_~end~0#1.offset); {11078#false} is VALID [2022-02-20 23:55:34,794 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 23:55:34,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:36,442 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:36,442 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 58 treesize of output 51 [2022-02-20 23:55:36,462 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:36,463 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 51 treesize of output 51 [2022-02-20 23:55:36,489 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:36,490 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 74 treesize of output 77 [2022-02-20 23:55:36,533 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:36,534 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 125 treesize of output 120 [2022-02-20 23:55:36,593 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 89 treesize of output 85 [2022-02-20 23:55:36,621 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 85 treesize of output 81 [2022-02-20 23:55:36,650 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 81 treesize of output 79 [2022-02-20 23:55:37,248 INFO L290 TraceCheckUtils]: 29: Hoare triple {11189#(and (<= (+ 8 |ULTIMATE.start_main_~end~0#1.offset|) (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (<= 0 (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !(4 + (4 + main_~end~0#1.offset) <= #length[main_~end~0#1.base] && 0 <= 4 + main_~end~0#1.offset); {11078#false} is VALID [2022-02-20 23:55:37,248 INFO L290 TraceCheckUtils]: 28: Hoare triple {11189#(and (<= (+ 8 |ULTIMATE.start_main_~end~0#1.offset|) (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (<= 0 (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {11189#(and (<= (+ 8 |ULTIMATE.start_main_~end~0#1.offset|) (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (<= 0 (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,249 INFO L290 TraceCheckUtils]: 27: Hoare triple {11196#(and (<= 0 (+ |ULTIMATE.start_main_#t~mem12#1.offset| 4)) (<= (+ |ULTIMATE.start_main_#t~mem12#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~mem12#1.base|)))} 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; {11189#(and (<= (+ 8 |ULTIMATE.start_main_~end~0#1.offset|) (select |#length| |ULTIMATE.start_main_~end~0#1.base|)) (<= 0 (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,250 INFO L290 TraceCheckUtils]: 26: Hoare triple {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {11196#(and (<= 0 (+ |ULTIMATE.start_main_#t~mem12#1.offset| 4)) (<= (+ |ULTIMATE.start_main_#t~mem12#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~mem12#1.base|)))} is VALID [2022-02-20 23:55:37,250 INFO L290 TraceCheckUtils]: 25: Hoare triple {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,251 INFO L290 TraceCheckUtils]: 24: Hoare triple {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,251 INFO L290 TraceCheckUtils]: 23: Hoare triple {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,252 INFO L290 TraceCheckUtils]: 22: Hoare triple {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,252 INFO L290 TraceCheckUtils]: 21: Hoare triple {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,253 INFO L290 TraceCheckUtils]: 20: Hoare triple {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,253 INFO L290 TraceCheckUtils]: 19: Hoare triple {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,254 INFO L290 TraceCheckUtils]: 18: Hoare triple {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,255 INFO L290 TraceCheckUtils]: 17: Hoare triple {11228#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {11200#(or (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:37,256 INFO L290 TraceCheckUtils]: 16: Hoare triple {11228#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {11228#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} is VALID [2022-02-20 23:55:37,257 INFO L290 TraceCheckUtils]: 15: Hoare triple {11228#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11228#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} is VALID [2022-02-20 23:55:37,259 INFO L290 TraceCheckUtils]: 14: Hoare triple {11238#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {11228#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} is VALID [2022-02-20 23:55:37,261 INFO L290 TraceCheckUtils]: 13: Hoare triple {11238#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {11238#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} is VALID [2022-02-20 23:55:37,263 INFO L290 TraceCheckUtils]: 12: Hoare triple {11238#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {11238#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} is VALID [2022-02-20 23:55:37,270 INFO L290 TraceCheckUtils]: 11: Hoare triple {11238#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {11238#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} is VALID [2022-02-20 23:55:37,272 INFO L290 TraceCheckUtils]: 10: Hoare triple {11251#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (and (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4))) (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))))))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11238#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|))))} is VALID [2022-02-20 23:55:37,274 INFO L290 TraceCheckUtils]: 9: Hoare triple {11255#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ 8 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {11251#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (and (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 4))) (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))))))} is VALID [2022-02-20 23:55:37,276 INFO L290 TraceCheckUtils]: 8: Hoare triple {11255#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ 8 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11255#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ 8 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))))))} is VALID [2022-02-20 23:55:37,277 INFO L290 TraceCheckUtils]: 7: Hoare triple {11262#(and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|))) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4))) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {11255#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_74| Int)) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_74| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (and (forall ((v_ArrVal_569 (Array Int Int)) (v_ArrVal_570 (Array Int Int))) (<= (+ 8 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_570) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))) (forall ((v_ArrVal_569 (Array Int Int))) (<= 0 (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_569) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_74|)))))))} is VALID [2022-02-20 23:55:37,278 INFO L290 TraceCheckUtils]: 6: Hoare triple {11266#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 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); {11262#(and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|))) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4))) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0)))} is VALID [2022-02-20 23:55:37,279 INFO L290 TraceCheckUtils]: 5: Hoare triple {11266#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11266#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 0))))} is VALID [2022-02-20 23:55:37,280 INFO L290 TraceCheckUtils]: 4: Hoare triple {11273#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 0))))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {11266#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 0))))} is VALID [2022-02-20 23:55:37,281 INFO L290 TraceCheckUtils]: 3: Hoare triple {11273#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 0))))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {11273#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 0))))} is VALID [2022-02-20 23:55:37,282 INFO L290 TraceCheckUtils]: 2: Hoare triple {11273#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {11273#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 0))))} is VALID [2022-02-20 23:55:37,283 INFO L290 TraceCheckUtils]: 1: Hoare triple {11077#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {11273#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_14| Int)) (or (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|))) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_14|) 0))))} is VALID [2022-02-20 23:55:37,283 INFO L290 TraceCheckUtils]: 0: Hoare triple {11077#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); {11077#true} is VALID [2022-02-20 23:55:37,284 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 23:55:37,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202816679] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:37,284 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:37,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2022-02-20 23:55:37,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052326768] [2022-02-20 23:55:37,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:37,285 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.838709677419355) internal successors, (88), 32 states have internal predecessors, (88), 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 30 [2022-02-20 23:55:37,285 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:37,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 32 states, 31 states have (on average 2.838709677419355) internal successors, (88), 32 states have internal predecessors, (88), 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 23:55:37,384 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 87 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:37,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-20 23:55:37,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:37,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-20 23:55:37,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=888, Unknown=8, NotChecked=0, Total=992 [2022-02-20 23:55:37,386 INFO L87 Difference]: Start difference. First operand 137 states and 149 transitions. Second operand has 32 states, 31 states have (on average 2.838709677419355) internal successors, (88), 32 states have internal predecessors, (88), 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 23:55:40,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:40,049 INFO L93 Difference]: Finished difference Result 203 states and 219 transitions. [2022-02-20 23:55:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-20 23:55:40,049 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.838709677419355) internal successors, (88), 32 states have internal predecessors, (88), 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 30 [2022-02-20 23:55:40,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 2.838709677419355) internal successors, (88), 32 states have internal predecessors, (88), 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 23:55:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 205 transitions. [2022-02-20 23:55:40,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 2.838709677419355) internal successors, (88), 32 states have internal predecessors, (88), 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 23:55:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 205 transitions. [2022-02-20 23:55:40,052 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 205 transitions. [2022-02-20 23:55:40,217 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 205 edges. 205 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:40,219 INFO L225 Difference]: With dead ends: 203 [2022-02-20 23:55:40,219 INFO L226 Difference]: Without dead ends: 203 [2022-02-20 23:55:40,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=396, Invalid=2146, Unknown=8, NotChecked=0, Total=2550 [2022-02-20 23:55:40,220 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 468 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 479 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:40,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [468 Valid, 584 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 824 Invalid, 0 Unknown, 479 Unchecked, 0.7s Time] [2022-02-20 23:55:40,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-02-20 23:55:40,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 140. [2022-02-20 23:55:40,222 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:40,222 INFO L82 GeneralOperation]: Start isEquivalent. First operand 203 states. Second operand has 140 states, 118 states have (on average 1.2881355932203389) internal successors, (152), 139 states have internal predecessors, (152), 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 23:55:40,222 INFO L74 IsIncluded]: Start isIncluded. First operand 203 states. Second operand has 140 states, 118 states have (on average 1.2881355932203389) internal successors, (152), 139 states have internal predecessors, (152), 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 23:55:40,222 INFO L87 Difference]: Start difference. First operand 203 states. Second operand has 140 states, 118 states have (on average 1.2881355932203389) internal successors, (152), 139 states have internal predecessors, (152), 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 23:55:40,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:40,226 INFO L93 Difference]: Finished difference Result 203 states and 219 transitions. [2022-02-20 23:55:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 219 transitions. [2022-02-20 23:55:40,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:40,226 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:40,239 INFO L74 IsIncluded]: Start isIncluded. First operand has 140 states, 118 states have (on average 1.2881355932203389) internal successors, (152), 139 states have internal predecessors, (152), 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 203 states. [2022-02-20 23:55:40,253 INFO L87 Difference]: Start difference. First operand has 140 states, 118 states have (on average 1.2881355932203389) internal successors, (152), 139 states have internal predecessors, (152), 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 203 states. [2022-02-20 23:55:40,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:40,255 INFO L93 Difference]: Finished difference Result 203 states and 219 transitions. [2022-02-20 23:55:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 219 transitions. [2022-02-20 23:55:40,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:40,256 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:40,256 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:40,256 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:40,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 118 states have (on average 1.2881355932203389) internal successors, (152), 139 states have internal predecessors, (152), 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 23:55:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 152 transitions. [2022-02-20 23:55:40,259 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 152 transitions. Word has length 30 [2022-02-20 23:55:40,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:40,259 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 152 transitions. [2022-02-20 23:55:40,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.838709677419355) internal successors, (88), 32 states have internal predecessors, (88), 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 23:55:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 152 transitions. [2022-02-20 23:55:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 23:55:40,260 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:40,260 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:40,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-20 23:55:40,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:40,477 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:40,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:40,478 INFO L85 PathProgramCache]: Analyzing trace with hash -862773577, now seen corresponding path program 1 times [2022-02-20 23:55:40,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:40,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738860478] [2022-02-20 23:55:40,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:40,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:40,911 INFO L290 TraceCheckUtils]: 0: Hoare triple {12076#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); {12076#true} is VALID [2022-02-20 23:55:40,911 INFO L290 TraceCheckUtils]: 1: Hoare triple {12076#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {12078#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} is VALID [2022-02-20 23:55:40,912 INFO L290 TraceCheckUtils]: 2: Hoare triple {12078#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {12079#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:40,912 INFO L290 TraceCheckUtils]: 3: Hoare triple {12079#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {12080#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:40,913 INFO L290 TraceCheckUtils]: 4: Hoare triple {12080#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {12081#(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 23:55:40,913 INFO L290 TraceCheckUtils]: 5: Hoare triple {12081#(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; {12081#(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 23:55:40,914 INFO L290 TraceCheckUtils]: 6: Hoare triple {12081#(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); {12082#(and (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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 23:55:40,915 INFO L290 TraceCheckUtils]: 7: Hoare triple {12082#(and (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {12083#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:40,915 INFO L290 TraceCheckUtils]: 8: Hoare triple {12083#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12083#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|))} is VALID [2022-02-20 23:55:40,916 INFO L290 TraceCheckUtils]: 9: Hoare triple {12083#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {12084#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:40,916 INFO L290 TraceCheckUtils]: 10: Hoare triple {12084#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {12085#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:40,917 INFO L290 TraceCheckUtils]: 11: Hoare triple {12085#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {12085#(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 23:55:40,918 INFO L290 TraceCheckUtils]: 12: Hoare triple {12085#(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 -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {12085#(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 23:55:40,918 INFO L290 TraceCheckUtils]: 13: Hoare triple {12085#(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; {12085#(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 23:55:40,919 INFO L290 TraceCheckUtils]: 14: Hoare triple {12085#(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|)))} SUMMARY for call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1026 {12085#(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 23:55:40,920 INFO L290 TraceCheckUtils]: 15: Hoare triple {12085#(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|)))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8); {12086#(and (= ~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|)) (not (= |ULTIMATE.start_main_#t~malloc6#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:40,920 INFO L290 TraceCheckUtils]: 16: Hoare triple {12086#(and (= ~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|)) (not (= |ULTIMATE.start_main_#t~malloc6#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1027 {12087#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:40,921 INFO L290 TraceCheckUtils]: 17: Hoare triple {12087#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {12087#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:40,921 INFO L290 TraceCheckUtils]: 18: Hoare triple {12087#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1028 {12088#(and (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:40,922 INFO L290 TraceCheckUtils]: 19: Hoare triple {12088#(and (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset; {12089#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:40,922 INFO L290 TraceCheckUtils]: 20: Hoare triple {12089#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1029 {12089#(and (= ~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 23:55:40,923 INFO L290 TraceCheckUtils]: 21: Hoare triple {12089#(and (= ~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|)))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1029-1 {12090#(= ~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 23:55:40,923 INFO L290 TraceCheckUtils]: 22: Hoare triple {12090#(= ~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; {12090#(= ~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 23:55:40,928 INFO L290 TraceCheckUtils]: 23: Hoare triple {12090#(= ~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; {12090#(= ~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 23:55:40,928 INFO L290 TraceCheckUtils]: 24: Hoare triple {12090#(= ~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; {12091#(= ~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 23:55:40,929 INFO L290 TraceCheckUtils]: 25: Hoare triple {12091#(= ~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); {12091#(= ~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 23:55:40,929 INFO L290 TraceCheckUtils]: 26: Hoare triple {12091#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {12091#(= ~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 23:55:40,929 INFO L290 TraceCheckUtils]: 27: Hoare triple {12091#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {12092#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:40,929 INFO L290 TraceCheckUtils]: 28: Hoare triple {12092#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {12077#false} is VALID [2022-02-20 23:55:40,930 INFO L290 TraceCheckUtils]: 29: Hoare triple {12077#false} assume !false; {12077#false} is VALID [2022-02-20 23:55:40,930 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 23:55:40,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:40,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738860478] [2022-02-20 23:55:40,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738860478] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:40,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801940544] [2022-02-20 23:55:40,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:40,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:40,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:40,932 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:40,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 23:55:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:41,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-20 23:55:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:41,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:41,056 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 23:55:41,079 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 23:55:41,164 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:41,164 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 23:55:41,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:41,267 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 21 treesize of output 20 [2022-02-20 23:55:41,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:41,391 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 16 treesize of output 8 [2022-02-20 23:55:41,473 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 16 treesize of output 18 [2022-02-20 23:55:41,524 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 23:55:41,543 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:41,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 23:55:41,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 23:55:41,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:41,685 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 16 treesize of output 8 [2022-02-20 23:55:41,765 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 23:55:41,795 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 23:55:41,885 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 23:55:41,888 INFO L290 TraceCheckUtils]: 0: Hoare triple {12076#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); {12076#true} is VALID [2022-02-20 23:55:41,889 INFO L290 TraceCheckUtils]: 1: Hoare triple {12076#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {12079#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,889 INFO L290 TraceCheckUtils]: 2: Hoare triple {12079#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {12079#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,890 INFO L290 TraceCheckUtils]: 3: Hoare triple {12079#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {12080#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,891 INFO L290 TraceCheckUtils]: 4: Hoare triple {12080#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {12108#(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 23:55:41,903 INFO L290 TraceCheckUtils]: 5: Hoare triple {12108#(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; {12108#(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 23:55:41,904 INFO L290 TraceCheckUtils]: 6: Hoare triple {12108#(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); {12115#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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 23:55:41,905 INFO L290 TraceCheckUtils]: 7: Hoare triple {12115#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {12119#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,905 INFO L290 TraceCheckUtils]: 8: Hoare triple {12119#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12119#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,906 INFO L290 TraceCheckUtils]: 9: Hoare triple {12119#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {12126#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,907 INFO L290 TraceCheckUtils]: 10: Hoare triple {12126#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {12130#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,907 INFO L290 TraceCheckUtils]: 11: Hoare triple {12130#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {12130#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,908 INFO L290 TraceCheckUtils]: 12: Hoare triple {12130#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {12130#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,908 INFO L290 TraceCheckUtils]: 13: Hoare triple {12130#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {12130#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,909 INFO L290 TraceCheckUtils]: 14: Hoare triple {12130#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1026 {12130#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,910 INFO L290 TraceCheckUtils]: 15: Hoare triple {12130#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8); {12146#(and (= ~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|)) (not (= |ULTIMATE.start_main_#t~malloc6#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,910 INFO L290 TraceCheckUtils]: 16: Hoare triple {12146#(and (= ~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|)) (not (= |ULTIMATE.start_main_#t~malloc6#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1027 {12150#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,911 INFO L290 TraceCheckUtils]: 17: Hoare triple {12150#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {12150#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,912 INFO L290 TraceCheckUtils]: 18: Hoare triple {12150#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1028 {12157#(and (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,912 INFO L290 TraceCheckUtils]: 19: Hoare triple {12157#(and (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset; {12161#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,913 INFO L290 TraceCheckUtils]: 20: Hoare triple {12161#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1029 {12161#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:41,913 INFO L290 TraceCheckUtils]: 21: Hoare triple {12161#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1029-1 {12168#(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 23:55:41,914 INFO L290 TraceCheckUtils]: 22: Hoare triple {12168#(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; {12168#(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 23:55:41,914 INFO L290 TraceCheckUtils]: 23: Hoare triple {12168#(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; {12168#(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 23:55:41,915 INFO L290 TraceCheckUtils]: 24: Hoare triple {12168#(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; {12178#(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 23:55:41,915 INFO L290 TraceCheckUtils]: 25: Hoare triple {12178#(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); {12178#(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 23:55:41,916 INFO L290 TraceCheckUtils]: 26: Hoare triple {12178#(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; {12178#(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 23:55:41,916 INFO L290 TraceCheckUtils]: 27: Hoare triple {12178#(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))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {12092#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:41,916 INFO L290 TraceCheckUtils]: 28: Hoare triple {12092#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {12077#false} is VALID [2022-02-20 23:55:41,916 INFO L290 TraceCheckUtils]: 29: Hoare triple {12077#false} assume !false; {12077#false} is VALID [2022-02-20 23:55:41,917 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 23:55:41,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:41,948 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_692 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_692) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK)) is different from false [2022-02-20 23:55:41,959 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_692) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:41,966 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_692) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:41,980 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |c_ULTIMATE.start_main_#t~malloc6#1.base| v_ArrVal_692) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:42,060 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) 0)) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))) is different from false [2022-02-20 23:55:42,395 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:55:42,395 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 13 treesize of output 12 [2022-02-20 23:55:42,457 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (= |v_ULTIMATE.start_main_#t~malloc6#1.base_11| |c_ULTIMATE.start_main_~end~0#1.base|) (= ~unnamed1~0~BLACK (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_682)) |c_ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))))) is different from false [2022-02-20 23:55:43,208 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_17| Int) (|v_ULTIMATE.start_main_~end~0#1.offset_81| Int) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) (= ~unnamed1~0~BLACK (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_81| v_ArrVal_682)) |v_ULTIMATE.start_main_#t~malloc3#1.base_17| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_17|) 0)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_81| |c_ULTIMATE.start_main_~list~0#1.offset|)))) is different from false [2022-02-20 23:55:43,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:43,337 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:43,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2022-02-20 23:55:43,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:43,372 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 36 treesize of output 24 [2022-02-20 23:55:43,382 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 7 treesize of output 3 [2022-02-20 23:55:43,407 INFO L290 TraceCheckUtils]: 29: Hoare triple {12077#false} assume !false; {12077#false} is VALID [2022-02-20 23:55:43,407 INFO L290 TraceCheckUtils]: 28: Hoare triple {12092#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {12077#false} is VALID [2022-02-20 23:55:43,407 INFO L290 TraceCheckUtils]: 27: Hoare triple {12091#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {12092#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:43,408 INFO L290 TraceCheckUtils]: 26: Hoare triple {12091#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {12091#(= ~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 23:55:43,408 INFO L290 TraceCheckUtils]: 25: Hoare triple {12091#(= ~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); {12091#(= ~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 23:55:43,408 INFO L290 TraceCheckUtils]: 24: Hoare triple {12090#(= ~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; {12091#(= ~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 23:55:43,409 INFO L290 TraceCheckUtils]: 23: Hoare triple {12090#(= ~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; {12090#(= ~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 23:55:43,409 INFO L290 TraceCheckUtils]: 22: Hoare triple {12090#(= ~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; {12090#(= ~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 23:55:43,410 INFO L290 TraceCheckUtils]: 21: Hoare triple {12218#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1029-1 {12090#(= ~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 23:55:43,412 INFO L290 TraceCheckUtils]: 20: Hoare triple {12218#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1029 {12218#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:43,412 INFO L290 TraceCheckUtils]: 19: Hoare triple {12225#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset; {12218#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:43,413 INFO L290 TraceCheckUtils]: 18: Hoare triple {12229#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1028 {12225#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem7#1.base| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:43,413 INFO L290 TraceCheckUtils]: 17: Hoare triple {12229#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; {12229#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:43,414 INFO L290 TraceCheckUtils]: 16: Hoare triple {12236#(forall ((v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |ULTIMATE.start_main_#t~malloc6#1.base| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1027 {12229#(forall ((v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:43,416 WARN L290 TraceCheckUtils]: 15: Hoare triple {12240#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) 0)) (forall ((v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))))} call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8); {12236#(forall ((v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |ULTIMATE.start_main_#t~malloc6#1.base| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is UNKNOWN [2022-02-20 23:55:43,419 WARN L290 TraceCheckUtils]: 14: Hoare triple {12244#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |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_#t~malloc6#1.base_11|) 0))))} SUMMARY for call write~int(~unnamed1~0~RED, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1026 {12240#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) 0)) (forall ((v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK))))} is UNKNOWN [2022-02-20 23:55:43,420 WARN L290 TraceCheckUtils]: 13: Hoare triple {12244#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |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_#t~malloc6#1.base_11|) 0))))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {12244#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |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_#t~malloc6#1.base_11|) 0))))} is UNKNOWN [2022-02-20 23:55:43,421 INFO L290 TraceCheckUtils]: 12: Hoare triple {12244#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |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_#t~malloc6#1.base_11|) 0))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {12244#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |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_#t~malloc6#1.base_11|) 0))))} is VALID [2022-02-20 23:55:43,424 WARN L290 TraceCheckUtils]: 11: Hoare triple {12244#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |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_#t~malloc6#1.base_11|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {12244#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |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_#t~malloc6#1.base_11|) 0))))} is UNKNOWN [2022-02-20 23:55:43,424 INFO L290 TraceCheckUtils]: 10: Hoare triple {12257#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) 0))))} 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; {12244#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |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_#t~malloc6#1.base_11|) 0))))} is VALID [2022-02-20 23:55:43,425 INFO L290 TraceCheckUtils]: 9: Hoare triple {12261#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) 0))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {12257#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) 0))))} is VALID [2022-02-20 23:55:43,426 INFO L290 TraceCheckUtils]: 8: Hoare triple {12261#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) 0))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12261#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) 0))))} is VALID [2022-02-20 23:55:43,428 WARN L290 TraceCheckUtils]: 7: Hoare triple {12268#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) (= ~unnamed1~0~BLACK (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_682)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {12261#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_692 (Array Int Int))) (or (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) 0))))} is UNKNOWN [2022-02-20 23:55:43,432 WARN L290 TraceCheckUtils]: 6: Hoare triple {12272#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (= ~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_682)) |v_ULTIMATE.start_main_#t~malloc3#1.base_17| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_17|) 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); {12268#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|) (= ~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_682)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} is UNKNOWN [2022-02-20 23:55:43,435 WARN L290 TraceCheckUtils]: 5: Hoare triple {12272#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (= ~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_682)) |v_ULTIMATE.start_main_#t~malloc3#1.base_17| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_17|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12272#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (= ~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_682)) |v_ULTIMATE.start_main_#t~malloc3#1.base_17| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_17|) 0))))} is UNKNOWN [2022-02-20 23:55:43,437 WARN L290 TraceCheckUtils]: 4: Hoare triple {12279#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_17| Int) (|v_ULTIMATE.start_main_~end~0#1.offset_81| Int) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_81| |ULTIMATE.start_main_~list~0#1.offset|)) (= |v_ULTIMATE.start_main_#t~malloc6#1.base_11| |ULTIMATE.start_main_~list~0#1.base|) (= ~unnamed1~0~BLACK (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~list~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_81| v_ArrVal_682)) |v_ULTIMATE.start_main_#t~malloc3#1.base_17| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_17|) 0))))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {12272#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_17| Int)) (or (forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (= ~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_682)) |v_ULTIMATE.start_main_#t~malloc3#1.base_17| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc6#1.base_11|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_17|) 0))))} is UNKNOWN [2022-02-20 23:55:43,438 INFO L290 TraceCheckUtils]: 3: Hoare triple {12283#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {12279#(forall ((|v_ULTIMATE.start_main_#t~malloc6#1.base_11| Int) (v_ArrVal_688 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_17| Int) (|v_ULTIMATE.start_main_~end~0#1.offset_81| Int) (v_ArrVal_682 Int) (v_ArrVal_692 (Array Int Int))) (or (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_81| |ULTIMATE.start_main_~list~0#1.offset|)) (= |v_ULTIMATE.start_main_#t~malloc6#1.base_11| |ULTIMATE.start_main_~list~0#1.base|) (= ~unnamed1~0~BLACK (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~list~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_81| v_ArrVal_682)) |v_ULTIMATE.start_main_#t~malloc3#1.base_17| v_ArrVal_688) |v_ULTIMATE.start_main_#t~malloc6#1.base_11| v_ArrVal_692) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_17|) 0))))} is VALID [2022-02-20 23:55:43,438 INFO L290 TraceCheckUtils]: 2: Hoare triple {12283#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {12283#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:55:43,439 INFO L290 TraceCheckUtils]: 1: Hoare triple {12076#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {12283#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:55:43,439 INFO L290 TraceCheckUtils]: 0: Hoare triple {12076#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); {12076#true} is VALID [2022-02-20 23:55:43,439 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 23:55:43,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801940544] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:43,439 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:43,439 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 40 [2022-02-20 23:55:43,439 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748879242] [2022-02-20 23:55:43,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:43,440 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.925) internal successors, (77), 40 states have internal predecessors, (77), 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 30 [2022-02-20 23:55:43,440 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:43,440 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 40 states, 40 states have (on average 1.925) internal successors, (77), 40 states have internal predecessors, (77), 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 23:55:43,510 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 69 inductive. 0 not inductive. 8 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:43,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-20 23:55:43,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:43,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-20 23:55:43,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=895, Unknown=17, NotChecked=476, Total=1560 [2022-02-20 23:55:43,511 INFO L87 Difference]: Start difference. First operand 140 states and 152 transitions. Second operand has 40 states, 40 states have (on average 1.925) internal successors, (77), 40 states have internal predecessors, (77), 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 23:55:45,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:45,760 INFO L93 Difference]: Finished difference Result 269 states and 293 transitions. [2022-02-20 23:55:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-20 23:55:45,760 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.925) internal successors, (77), 40 states have internal predecessors, (77), 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 30 [2022-02-20 23:55:45,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.925) internal successors, (77), 40 states have internal predecessors, (77), 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 23:55:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 238 transitions. [2022-02-20 23:55:45,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.925) internal successors, (77), 40 states have internal predecessors, (77), 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 23:55:45,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 238 transitions. [2022-02-20 23:55:45,763 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 238 transitions. [2022-02-20 23:55:45,961 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 238 edges. 238 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:45,965 INFO L225 Difference]: With dead ends: 269 [2022-02-20 23:55:45,965 INFO L226 Difference]: Without dead ends: 269 [2022-02-20 23:55:45,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 41 SyntacticMatches, 7 SemanticMatches, 52 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=379, Invalid=1794, Unknown=17, NotChecked=672, Total=2862 [2022-02-20 23:55:45,967 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 193 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1064 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:45,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 714 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 947 Invalid, 0 Unknown, 1064 Unchecked, 0.8s Time] [2022-02-20 23:55:45,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-02-20 23:55:45,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 155. [2022-02-20 23:55:45,976 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:45,977 INFO L82 GeneralOperation]: Start isEquivalent. First operand 269 states. Second operand has 155 states, 133 states have (on average 1.263157894736842) internal successors, (168), 154 states have internal predecessors, (168), 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 23:55:45,977 INFO L74 IsIncluded]: Start isIncluded. First operand 269 states. Second operand has 155 states, 133 states have (on average 1.263157894736842) internal successors, (168), 154 states have internal predecessors, (168), 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 23:55:45,977 INFO L87 Difference]: Start difference. First operand 269 states. Second operand has 155 states, 133 states have (on average 1.263157894736842) internal successors, (168), 154 states have internal predecessors, (168), 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 23:55:45,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:45,982 INFO L93 Difference]: Finished difference Result 269 states and 293 transitions. [2022-02-20 23:55:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 293 transitions. [2022-02-20 23:55:45,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:45,983 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:45,983 INFO L74 IsIncluded]: Start isIncluded. First operand has 155 states, 133 states have (on average 1.263157894736842) internal successors, (168), 154 states have internal predecessors, (168), 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 269 states. [2022-02-20 23:55:45,984 INFO L87 Difference]: Start difference. First operand has 155 states, 133 states have (on average 1.263157894736842) internal successors, (168), 154 states have internal predecessors, (168), 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 269 states. [2022-02-20 23:55:45,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:45,988 INFO L93 Difference]: Finished difference Result 269 states and 293 transitions. [2022-02-20 23:55:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 293 transitions. [2022-02-20 23:55:45,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:45,989 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:45,989 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:45,989 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:45,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 133 states have (on average 1.263157894736842) internal successors, (168), 154 states have internal predecessors, (168), 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 23:55:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 168 transitions. [2022-02-20 23:55:45,993 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 168 transitions. Word has length 30 [2022-02-20 23:55:45,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:45,994 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 168 transitions. [2022-02-20 23:55:45,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.925) internal successors, (77), 40 states have internal predecessors, (77), 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 23:55:45,994 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 168 transitions. [2022-02-20 23:55:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:55:45,994 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:45,995 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:46,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:46,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:46,236 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:46,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash 20301398, now seen corresponding path program 2 times [2022-02-20 23:55:46,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:46,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667553288] [2022-02-20 23:55:46,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:46,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:46,637 INFO L290 TraceCheckUtils]: 0: Hoare triple {13290#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); {13290#true} is VALID [2022-02-20 23:55:46,638 INFO L290 TraceCheckUtils]: 1: Hoare triple {13290#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {13292#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} is VALID [2022-02-20 23:55:46,639 INFO L290 TraceCheckUtils]: 2: Hoare triple {13292#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {13293#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,639 INFO L290 TraceCheckUtils]: 3: Hoare triple {13293#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {13294#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,640 INFO L290 TraceCheckUtils]: 4: Hoare triple {13294#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {13295#(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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,640 INFO L290 TraceCheckUtils]: 5: Hoare triple {13295#(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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13295#(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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,641 INFO L290 TraceCheckUtils]: 6: Hoare triple {13295#(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|) (= |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); {13296#(and (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,642 INFO L290 TraceCheckUtils]: 7: Hoare triple {13296#(and (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {13297#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,643 INFO L290 TraceCheckUtils]: 8: Hoare triple {13297#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13297#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,643 INFO L290 TraceCheckUtils]: 9: Hoare triple {13297#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) |ULTIMATE.start_main_~end~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {13298#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,644 INFO L290 TraceCheckUtils]: 10: Hoare triple {13298#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13299#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,644 INFO L290 TraceCheckUtils]: 11: Hoare triple {13299#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,645 INFO L290 TraceCheckUtils]: 12: Hoare triple {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,645 INFO L290 TraceCheckUtils]: 13: Hoare triple {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,646 INFO L290 TraceCheckUtils]: 14: Hoare triple {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,647 INFO L290 TraceCheckUtils]: 15: Hoare triple {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,647 INFO L290 TraceCheckUtils]: 16: Hoare triple {13299#(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|)) (= |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); {13300#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,648 INFO L290 TraceCheckUtils]: 17: Hoare triple {13300#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {13301#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,648 INFO L290 TraceCheckUtils]: 18: Hoare triple {13301#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13301#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,649 INFO L290 TraceCheckUtils]: 19: Hoare triple {13301#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {13302#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,649 INFO L290 TraceCheckUtils]: 20: Hoare triple {13302#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13303#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,650 INFO L290 TraceCheckUtils]: 21: Hoare triple {13303#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,651 INFO L290 TraceCheckUtils]: 22: Hoare triple {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,651 INFO L290 TraceCheckUtils]: 23: Hoare triple {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:46,652 INFO L290 TraceCheckUtils]: 24: Hoare triple {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {13304#(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 23:55:46,652 INFO L290 TraceCheckUtils]: 25: Hoare triple {13304#(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; {13304#(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 23:55:46,653 INFO L290 TraceCheckUtils]: 26: Hoare triple {13304#(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; {13304#(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 23:55:46,653 INFO L290 TraceCheckUtils]: 27: Hoare triple {13304#(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; {13305#(= ~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 23:55:46,653 INFO L290 TraceCheckUtils]: 28: Hoare triple {13305#(= ~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); {13305#(= ~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 23:55:46,654 INFO L290 TraceCheckUtils]: 29: Hoare triple {13305#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {13305#(= ~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 23:55:46,654 INFO L290 TraceCheckUtils]: 30: Hoare triple {13305#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {13306#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:46,654 INFO L290 TraceCheckUtils]: 31: Hoare triple {13306#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {13291#false} is VALID [2022-02-20 23:55:46,655 INFO L290 TraceCheckUtils]: 32: Hoare triple {13291#false} assume !false; {13291#false} is VALID [2022-02-20 23:55:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:46,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:46,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667553288] [2022-02-20 23:55:46,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667553288] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:46,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279014964] [2022-02-20 23:55:46,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 23:55:46,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:46,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:46,657 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:46,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 23:55:46,773 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 23:55:46,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 23:55:46,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-20 23:55:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:46,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:46,807 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 23:55:46,824 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 23:55:46,896 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:46,897 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 23:55:46,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:46,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:55:47,070 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 16 treesize of output 8 [2022-02-20 23:55:47,104 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 23:55:47,146 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 23:55:47,178 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:47,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 23:55:47,210 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 23:55:47,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:47,289 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 16 treesize of output 8 [2022-02-20 23:55:47,318 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 23:55:47,360 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 23:55:47,413 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 23:55:47,416 INFO L290 TraceCheckUtils]: 0: Hoare triple {13290#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); {13290#true} is VALID [2022-02-20 23:55:47,417 INFO L290 TraceCheckUtils]: 1: Hoare triple {13290#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {13293#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,418 INFO L290 TraceCheckUtils]: 2: Hoare triple {13293#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {13293#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,419 INFO L290 TraceCheckUtils]: 3: Hoare triple {13293#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {13294#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,419 INFO L290 TraceCheckUtils]: 4: Hoare triple {13294#(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))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {13322#(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 23:55:47,420 INFO L290 TraceCheckUtils]: 5: Hoare triple {13322#(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; {13322#(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 23:55:47,420 INFO L290 TraceCheckUtils]: 6: Hoare triple {13322#(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); {13329#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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 23:55:47,421 INFO L290 TraceCheckUtils]: 7: Hoare triple {13329#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {13333#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,422 INFO L290 TraceCheckUtils]: 8: Hoare triple {13333#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13333#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,423 INFO L290 TraceCheckUtils]: 9: Hoare triple {13333#(and (<= |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~list~0#1.offset|) (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~end~0#1.base|) 1) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {13298#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,423 INFO L290 TraceCheckUtils]: 10: Hoare triple {13298#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13299#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,424 INFO L290 TraceCheckUtils]: 11: Hoare triple {13299#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,424 INFO L290 TraceCheckUtils]: 12: Hoare triple {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,425 INFO L290 TraceCheckUtils]: 13: Hoare triple {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,426 INFO L290 TraceCheckUtils]: 14: Hoare triple {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,426 INFO L290 TraceCheckUtils]: 15: Hoare triple {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13299#(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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,427 INFO L290 TraceCheckUtils]: 16: Hoare triple {13299#(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|)) (= |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); {13300#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,428 INFO L290 TraceCheckUtils]: 17: Hoare triple {13300#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {13364#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,428 INFO L290 TraceCheckUtils]: 18: Hoare triple {13364#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13364#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,429 INFO L290 TraceCheckUtils]: 19: Hoare triple {13364#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {13302#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,429 INFO L290 TraceCheckUtils]: 20: Hoare triple {13302#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13303#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,430 INFO L290 TraceCheckUtils]: 21: Hoare triple {13303#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,430 INFO L290 TraceCheckUtils]: 22: Hoare triple {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,431 INFO L290 TraceCheckUtils]: 23: Hoare triple {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:47,431 INFO L290 TraceCheckUtils]: 24: Hoare triple {13303#(and (= ~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|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {13304#(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 23:55:47,432 INFO L290 TraceCheckUtils]: 25: Hoare triple {13304#(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; {13304#(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 23:55:47,432 INFO L290 TraceCheckUtils]: 26: Hoare triple {13304#(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; {13304#(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 23:55:47,433 INFO L290 TraceCheckUtils]: 27: Hoare triple {13304#(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; {13395#(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 23:55:47,436 INFO L290 TraceCheckUtils]: 28: Hoare triple {13395#(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); {13395#(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 23:55:47,437 INFO L290 TraceCheckUtils]: 29: Hoare triple {13395#(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; {13395#(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 23:55:47,437 INFO L290 TraceCheckUtils]: 30: Hoare triple {13395#(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))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {13306#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:47,438 INFO L290 TraceCheckUtils]: 31: Hoare triple {13306#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {13291#false} is VALID [2022-02-20 23:55:47,439 INFO L290 TraceCheckUtils]: 32: Hoare triple {13291#false} assume !false; {13291#false} is VALID [2022-02-20 23:55:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:47,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:47,467 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_814) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:47,483 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_814) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:47,517 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_814 (Array Int Int))) (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_814) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK)) is different from false [2022-02-20 23:55:47,530 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |c_ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_814) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)))) is different from false [2022-02-20 23:55:47,901 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:55:47,901 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 13 treesize of output 12 [2022-02-20 23:55:47,941 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_804)) |c_ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK) (= |c_ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|))) is different from false [2022-02-20 23:55:48,653 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_811 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_86| Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= ~unnamed1~0~BLACK (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_86| v_ArrVal_804)) |v_ULTIMATE.start_main_#t~malloc3#1.base_22| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (= |c_ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_86| |c_ULTIMATE.start_main_~list~0#1.offset|)))) is different from false [2022-02-20 23:55:48,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:48,807 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:48,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 34 [2022-02-20 23:55:48,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:48,850 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 36 treesize of output 24 [2022-02-20 23:55:48,862 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 7 treesize of output 3 [2022-02-20 23:55:48,884 INFO L290 TraceCheckUtils]: 32: Hoare triple {13291#false} assume !false; {13291#false} is VALID [2022-02-20 23:55:48,885 INFO L290 TraceCheckUtils]: 31: Hoare triple {13306#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} assume !(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {13291#false} is VALID [2022-02-20 23:55:48,885 INFO L290 TraceCheckUtils]: 30: Hoare triple {13305#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {13306#(= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem8#1|)} is VALID [2022-02-20 23:55:48,886 INFO L290 TraceCheckUtils]: 29: Hoare triple {13305#(= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {13305#(= ~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 23:55:48,886 INFO L290 TraceCheckUtils]: 28: Hoare triple {13305#(= ~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); {13305#(= ~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 23:55:48,886 INFO L290 TraceCheckUtils]: 27: Hoare triple {13426#(= ~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; {13305#(= ~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 23:55:48,887 INFO L290 TraceCheckUtils]: 26: Hoare triple {13426#(= ~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; {13426#(= ~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 23:55:48,887 INFO L290 TraceCheckUtils]: 25: Hoare triple {13426#(= ~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; {13426#(= ~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 23:55:48,888 INFO L290 TraceCheckUtils]: 24: Hoare triple {13436#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {13426#(= ~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 23:55:48,888 INFO L290 TraceCheckUtils]: 23: Hoare triple {13436#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {13436#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:48,889 INFO L290 TraceCheckUtils]: 22: Hoare triple {13436#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {13436#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:48,891 INFO L290 TraceCheckUtils]: 21: Hoare triple {13436#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {13436#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:48,891 INFO L290 TraceCheckUtils]: 20: Hoare triple {13449#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13436#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:48,892 INFO L290 TraceCheckUtils]: 19: Hoare triple {13453#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {13449#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:48,892 INFO L290 TraceCheckUtils]: 18: Hoare triple {13453#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13453#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:48,893 INFO L290 TraceCheckUtils]: 17: Hoare triple {13460#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {13453#(forall ((v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is VALID [2022-02-20 23:55:48,895 WARN L290 TraceCheckUtils]: 16: Hoare triple {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |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); {13460#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))} is UNKNOWN [2022-02-20 23:55:48,895 INFO L290 TraceCheckUtils]: 15: Hoare triple {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |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; {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} is VALID [2022-02-20 23:55:48,899 WARN L290 TraceCheckUtils]: 14: Hoare triple {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} is UNKNOWN [2022-02-20 23:55:48,899 INFO L290 TraceCheckUtils]: 13: Hoare triple {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} is VALID [2022-02-20 23:55:48,899 INFO L290 TraceCheckUtils]: 12: Hoare triple {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} is VALID [2022-02-20 23:55:48,903 WARN L290 TraceCheckUtils]: 11: Hoare triple {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} is UNKNOWN [2022-02-20 23:55:48,904 INFO L290 TraceCheckUtils]: 10: Hoare triple {13483#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK)))} 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; {13464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int))) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))))))} is VALID [2022-02-20 23:55:48,905 INFO L290 TraceCheckUtils]: 9: Hoare triple {13487#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {13483#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK)))} is VALID [2022-02-20 23:55:48,905 INFO L290 TraceCheckUtils]: 8: Hoare triple {13487#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13487#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} is VALID [2022-02-20 23:55:48,908 WARN L290 TraceCheckUtils]: 7: Hoare triple {13494#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~end~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| v_ArrVal_804)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {13487#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0)) (= ~unnamed1~0~BLACK (select (select (store (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)))))} is UNKNOWN [2022-02-20 23:55:48,919 WARN L290 TraceCheckUtils]: 6: Hoare triple {13498#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= (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_804)) |v_ULTIMATE.start_main_#t~malloc3#1.base_22| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|)))))} 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); {13494#(forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= (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_804)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|)))} is UNKNOWN [2022-02-20 23:55:48,920 INFO L290 TraceCheckUtils]: 5: Hoare triple {13498#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= (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_804)) |v_ULTIMATE.start_main_#t~malloc3#1.base_22| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13498#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= (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_804)) |v_ULTIMATE.start_main_#t~malloc3#1.base_22| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|)))))} is VALID [2022-02-20 23:55:48,923 WARN L290 TraceCheckUtils]: 4: Hoare triple {13505#(forall ((v_ArrVal_811 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_86| Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= ~unnamed1~0~BLACK (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~list~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_86| v_ArrVal_804)) |v_ULTIMATE.start_main_#t~malloc3#1.base_22| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_86| |ULTIMATE.start_main_~list~0#1.offset|)) (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|)))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {13498#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (forall ((v_ArrVal_811 (Array Int Int)) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= (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_804)) |v_ULTIMATE.start_main_#t~malloc3#1.base_22| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4)) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|)))))} is UNKNOWN [2022-02-20 23:55:48,924 INFO L290 TraceCheckUtils]: 3: Hoare triple {13509#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {13505#(forall ((v_ArrVal_811 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_86| Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_22| Int) (v_ArrVal_814 (Array Int Int)) (v_ArrVal_804 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (= ~unnamed1~0~BLACK (select (select (store (store (store |#memory_int| |ULTIMATE.start_main_~list~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_86| v_ArrVal_804)) |v_ULTIMATE.start_main_#t~malloc3#1.base_22| v_ArrVal_811) |v_ULTIMATE.start_main_#t~malloc3#1.base_20| v_ArrVal_814) |ULTIMATE.start_main_~list~0#1.base|) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) 0)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_86| |ULTIMATE.start_main_~list~0#1.offset|)) (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|)))} is VALID [2022-02-20 23:55:48,925 INFO L290 TraceCheckUtils]: 2: Hoare triple {13509#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {13509#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:55:48,925 INFO L290 TraceCheckUtils]: 1: Hoare triple {13290#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {13509#(not (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 0))} is VALID [2022-02-20 23:55:48,925 INFO L290 TraceCheckUtils]: 0: Hoare triple {13290#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); {13290#true} is VALID [2022-02-20 23:55:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2022-02-20 23:55:48,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279014964] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:48,926 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:48,926 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 34 [2022-02-20 23:55:48,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292074914] [2022-02-20 23:55:48,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:48,928 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.2058823529411766) internal successors, (75), 34 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:55:48,928 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:48,928 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 34 states, 34 states have (on average 2.2058823529411766) internal successors, (75), 34 states have internal predecessors, (75), 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 23:55:49,032 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 65 inductive. 0 not inductive. 10 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:49,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-20 23:55:49,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:49,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-20 23:55:49,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=610, Unknown=16, NotChecked=342, Total=1122 [2022-02-20 23:55:49,033 INFO L87 Difference]: Start difference. First operand 155 states and 168 transitions. Second operand has 34 states, 34 states have (on average 2.2058823529411766) internal successors, (75), 34 states have internal predecessors, (75), 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 23:55:50,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:50,877 INFO L93 Difference]: Finished difference Result 394 states and 428 transitions. [2022-02-20 23:55:50,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-20 23:55:50,878 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.2058823529411766) internal successors, (75), 34 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2022-02-20 23:55:50,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 2.2058823529411766) internal successors, (75), 34 states have internal predecessors, (75), 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 23:55:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 346 transitions. [2022-02-20 23:55:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 2.2058823529411766) internal successors, (75), 34 states have internal predecessors, (75), 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 23:55:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 346 transitions. [2022-02-20 23:55:50,883 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 346 transitions. [2022-02-20 23:55:51,216 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 346 edges. 346 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:51,223 INFO L225 Difference]: With dead ends: 394 [2022-02-20 23:55:51,223 INFO L226 Difference]: Without dead ends: 394 [2022-02-20 23:55:51,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 51 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=378, Invalid=1436, Unknown=16, NotChecked=522, Total=2352 [2022-02-20 23:55:51,225 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 533 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1413 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:51,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [533 Valid, 619 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 709 Invalid, 0 Unknown, 1413 Unchecked, 0.6s Time] [2022-02-20 23:55:51,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2022-02-20 23:55:51,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 163. [2022-02-20 23:55:51,229 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:51,229 INFO L82 GeneralOperation]: Start isEquivalent. First operand 394 states. Second operand has 163 states, 141 states have (on average 1.2553191489361701) internal successors, (177), 162 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,229 INFO L74 IsIncluded]: Start isIncluded. First operand 394 states. Second operand has 163 states, 141 states have (on average 1.2553191489361701) internal successors, (177), 162 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,229 INFO L87 Difference]: Start difference. First operand 394 states. Second operand has 163 states, 141 states have (on average 1.2553191489361701) internal successors, (177), 162 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,238 INFO L93 Difference]: Finished difference Result 394 states and 428 transitions. [2022-02-20 23:55:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 428 transitions. [2022-02-20 23:55:51,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:51,239 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:51,240 INFO L74 IsIncluded]: Start isIncluded. First operand has 163 states, 141 states have (on average 1.2553191489361701) internal successors, (177), 162 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 394 states. [2022-02-20 23:55:51,240 INFO L87 Difference]: Start difference. First operand has 163 states, 141 states have (on average 1.2553191489361701) internal successors, (177), 162 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 394 states. [2022-02-20 23:55:51,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:51,250 INFO L93 Difference]: Finished difference Result 394 states and 428 transitions. [2022-02-20 23:55:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 428 transitions. [2022-02-20 23:55:51,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:51,250 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:51,251 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:51,251 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 141 states have (on average 1.2553191489361701) internal successors, (177), 162 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 177 transitions. [2022-02-20 23:55:51,253 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 177 transitions. Word has length 33 [2022-02-20 23:55:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:51,254 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 177 transitions. [2022-02-20 23:55:51,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.2058823529411766) internal successors, (75), 34 states have internal predecessors, (75), 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 23:55:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2022-02-20 23:55:51,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-20 23:55:51,254 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:51,255 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:51,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:51,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-02-20 23:55:51,468 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:51,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1167746943, now seen corresponding path program 1 times [2022-02-20 23:55:51,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:51,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394715631] [2022-02-20 23:55:51,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:51,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:51,819 INFO L290 TraceCheckUtils]: 0: Hoare triple {14898#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); {14898#true} is VALID [2022-02-20 23:55:51,819 INFO L290 TraceCheckUtils]: 1: Hoare triple {14898#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {14900#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} is VALID [2022-02-20 23:55:51,820 INFO L290 TraceCheckUtils]: 2: Hoare triple {14900#(= |ULTIMATE.start_main_~list~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:51,820 INFO L290 TraceCheckUtils]: 3: Hoare triple {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:51,821 INFO L290 TraceCheckUtils]: 4: Hoare triple {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {14902#(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 23:55:51,821 INFO L290 TraceCheckUtils]: 5: Hoare triple {14902#(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; {14902#(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 23:55:51,822 INFO L290 TraceCheckUtils]: 6: Hoare triple {14902#(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); {14903#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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 23:55:51,823 INFO L290 TraceCheckUtils]: 7: Hoare triple {14903#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {14904#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:51,823 INFO L290 TraceCheckUtils]: 8: Hoare triple {14904#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {14904#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:51,824 INFO L290 TraceCheckUtils]: 9: Hoare triple {14904#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {14905#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:51,825 INFO L290 TraceCheckUtils]: 10: Hoare triple {14905#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:51,825 INFO L290 TraceCheckUtils]: 11: Hoare triple {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:51,826 INFO L290 TraceCheckUtils]: 12: Hoare triple {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:51,827 INFO L290 TraceCheckUtils]: 13: Hoare triple {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:51,828 INFO L290 TraceCheckUtils]: 14: Hoare triple {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {14907#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:51,829 INFO L290 TraceCheckUtils]: 15: Hoare triple {14907#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14907#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:51,829 INFO L290 TraceCheckUtils]: 16: Hoare triple {14907#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {14907#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:51,830 INFO L290 TraceCheckUtils]: 17: Hoare triple {14907#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (+ |ULTIMATE.start_main_~list~0#1.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {14908#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,830 INFO L290 TraceCheckUtils]: 18: Hoare triple {14908#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {14908#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,831 INFO L290 TraceCheckUtils]: 19: Hoare triple {14908#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {14908#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,831 INFO L290 TraceCheckUtils]: 20: Hoare triple {14908#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {14909#(and (= |ULTIMATE.start_main_#t~mem8#1| (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,832 INFO L290 TraceCheckUtils]: 21: Hoare triple {14909#(and (= |ULTIMATE.start_main_#t~mem8#1| (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {14910#(and (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,832 INFO L290 TraceCheckUtils]: 22: Hoare triple {14910#(and (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} goto; {14910#(and (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,833 INFO L290 TraceCheckUtils]: 23: Hoare triple {14910#(and (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {14910#(and (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,833 INFO L290 TraceCheckUtils]: 24: Hoare triple {14910#(and (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {14911#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)))} is VALID [2022-02-20 23:55:51,834 INFO L290 TraceCheckUtils]: 25: Hoare triple {14911#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4)))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {14912#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:51,835 INFO L290 TraceCheckUtils]: 26: Hoare triple {14912#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {14913#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_#t~mem12#1.base|) 4))) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:55:51,835 INFO L290 TraceCheckUtils]: 27: Hoare triple {14913#(and (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_#t~mem12#1.base|) 4))) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {14914#(not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))))} is VALID [2022-02-20 23:55:51,835 INFO L290 TraceCheckUtils]: 28: Hoare triple {14914#(not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {14914#(not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))))} is VALID [2022-02-20 23:55:51,836 INFO L290 TraceCheckUtils]: 29: Hoare triple {14914#(not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {14915#(not (= |ULTIMATE.start_main_#t~mem9#1| ~unnamed1~0~RED))} is VALID [2022-02-20 23:55:51,836 INFO L290 TraceCheckUtils]: 30: Hoare triple {14915#(not (= |ULTIMATE.start_main_#t~mem9#1| ~unnamed1~0~RED))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1; {14899#false} is VALID [2022-02-20 23:55:51,836 INFO L290 TraceCheckUtils]: 31: Hoare triple {14899#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1045 {14899#false} is VALID [2022-02-20 23:55:51,837 INFO L290 TraceCheckUtils]: 32: Hoare triple {14899#false} 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; {14899#false} is VALID [2022-02-20 23:55:51,837 INFO L290 TraceCheckUtils]: 33: Hoare triple {14899#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {14899#false} is VALID [2022-02-20 23:55:51,837 INFO L290 TraceCheckUtils]: 34: Hoare triple {14899#false} assume !false; {14899#false} is VALID [2022-02-20 23:55:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:51,838 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:51,838 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394715631] [2022-02-20 23:55:51,838 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394715631] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:51,838 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9447334] [2022-02-20 23:55:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:51,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:51,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:51,840 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:51,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-20 23:55:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:51,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 53 conjunts are in the unsatisfiable core [2022-02-20 23:55:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:51,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:51,990 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 23:55:52,025 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:52,026 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 23:55:52,047 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 11 treesize of output 7 [2022-02-20 23:55:52,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:52,164 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:52,164 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 22 treesize of output 22 [2022-02-20 23:55:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:52,172 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 21 treesize of output 21 [2022-02-20 23:55:52,251 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:52,251 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 23:55:52,255 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 23:55:52,265 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 23:55:52,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:52,520 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:55:52,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:52,552 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:52,552 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 27 treesize of output 18 [2022-02-20 23:55:52,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:52,632 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:52,633 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 23:55:52,673 INFO L290 TraceCheckUtils]: 0: Hoare triple {14898#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); {14898#true} is VALID [2022-02-20 23:55:52,674 INFO L290 TraceCheckUtils]: 1: Hoare triple {14898#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,675 INFO L290 TraceCheckUtils]: 2: Hoare triple {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,675 INFO L290 TraceCheckUtils]: 3: Hoare triple {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,676 INFO L290 TraceCheckUtils]: 4: Hoare triple {14901#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {14902#(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 23:55:52,676 INFO L290 TraceCheckUtils]: 5: Hoare triple {14902#(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; {14902#(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 23:55:52,676 INFO L290 TraceCheckUtils]: 6: Hoare triple {14902#(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); {14903#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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 23:55:52,677 INFO L290 TraceCheckUtils]: 7: Hoare triple {14903#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {14904#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,678 INFO L290 TraceCheckUtils]: 8: Hoare triple {14904#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {14904#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,678 INFO L290 TraceCheckUtils]: 9: Hoare triple {14904#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {14946#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_#t~mem4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} is VALID [2022-02-20 23:55:52,679 INFO L290 TraceCheckUtils]: 10: Hoare triple {14946#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_#t~mem4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {14950#(and (<= |ULTIMATE.start_main_~end~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,680 INFO L290 TraceCheckUtils]: 11: Hoare triple {14950#(and (<= |ULTIMATE.start_main_~end~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:52,680 INFO L290 TraceCheckUtils]: 12: Hoare triple {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:52,681 INFO L290 TraceCheckUtils]: 13: Hoare triple {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:52,682 INFO L290 TraceCheckUtils]: 14: Hoare triple {14906#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~list~0#1.offset| 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {14963#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,682 INFO L290 TraceCheckUtils]: 15: Hoare triple {14963#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14963#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,683 INFO L290 TraceCheckUtils]: 16: Hoare triple {14963#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {14963#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,683 INFO L290 TraceCheckUtils]: 17: Hoare triple {14963#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:52,684 INFO L290 TraceCheckUtils]: 18: Hoare triple {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:52,684 INFO L290 TraceCheckUtils]: 19: Hoare triple {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} goto; {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:52,685 INFO L290 TraceCheckUtils]: 20: Hoare triple {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:52,685 INFO L290 TraceCheckUtils]: 21: Hoare triple {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:52,686 INFO L290 TraceCheckUtils]: 22: Hoare triple {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} goto; {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:52,686 INFO L290 TraceCheckUtils]: 23: Hoare triple {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:52,687 INFO L290 TraceCheckUtils]: 24: Hoare triple {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:52,687 INFO L290 TraceCheckUtils]: 25: Hoare triple {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} is VALID [2022-02-20 23:55:52,688 INFO L290 TraceCheckUtils]: 26: Hoare triple {14973#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= ~unnamed1~0~BLACK (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 4)) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {15001#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_#t~mem12#1.base|) 4)) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:55:52,688 INFO L290 TraceCheckUtils]: 27: Hoare triple {15001#(and (= ~unnamed1~0~BLACK (select (select |#memory_int| |ULTIMATE.start_main_#t~mem12#1.base|) 4)) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} 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; {15005#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) 4) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,690 INFO L290 TraceCheckUtils]: 28: Hoare triple {15005#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) 4) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {15005#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) 4) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:52,690 INFO L290 TraceCheckUtils]: 29: Hoare triple {15005#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) 4) ~unnamed1~0~BLACK) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {15012#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem9#1|))} is VALID [2022-02-20 23:55:52,690 INFO L290 TraceCheckUtils]: 30: Hoare triple {15012#(and (= |ULTIMATE.start_main_~end~0#1.offset| 0) (= ~unnamed1~0~BLACK |ULTIMATE.start_main_#t~mem9#1|))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1; {14899#false} is VALID [2022-02-20 23:55:52,691 INFO L290 TraceCheckUtils]: 31: Hoare triple {14899#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1045 {14899#false} is VALID [2022-02-20 23:55:52,691 INFO L290 TraceCheckUtils]: 32: Hoare triple {14899#false} 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; {14899#false} is VALID [2022-02-20 23:55:52,691 INFO L290 TraceCheckUtils]: 33: Hoare triple {14899#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {14899#false} is VALID [2022-02-20 23:55:52,691 INFO L290 TraceCheckUtils]: 34: Hoare triple {14899#false} assume !false; {14899#false} is VALID [2022-02-20 23:55:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:52,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:53,141 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 82 treesize of output 62 [2022-02-20 23:55:53,272 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |c_ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (or (and (forall ((v_ArrVal_893 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base| v_ArrVal_893) |c_ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) |c_ULTIMATE.start_main_~end~0#1.base|)) (= (+ |c_ULTIMATE.start_main_~end~0#1.offset| 4) (+ .cse0 4))) (not (<= 0 .cse0)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |c_ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))) is different from false [2022-02-20 23:55:54,067 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_891) |c_ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (or (not (<= 0 .cse0)) (let ((.cse1 (< |c_ULTIMATE.start_main_#t~mem4#1.offset| 0))) (and (or .cse1 (forall ((v_ArrVal_893 (Array Int Int))) (= |c_ULTIMATE.start_main_#t~mem4#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_893) |c_ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)))) (<= |c_ULTIMATE.start_main_#t~mem4#1.offset| .cse0) (or .cse1 (<= .cse0 0)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |c_ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))) is different from false [2022-02-20 23:55:54,488 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |c_ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (or (let ((.cse0 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|))) (let ((.cse2 (< .cse0 0))) (and (<= .cse0 .cse1) (or .cse2 (<= .cse1 0)) (or (forall ((v_ArrVal_893 (Array Int Int))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|))) (= (select (select (store |c_#memory_$Pointer$.base| .cse3 v_ArrVal_893) |c_ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) .cse3))) .cse2)))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |c_ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 .cse1)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))) is different from false [2022-02-20 23:55:54,870 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:54,871 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 83 treesize of output 67 [2022-02-20 23:55:54,883 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:54,883 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 67 treesize of output 67 [2022-02-20 23:55:54,908 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:54,908 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 103 treesize of output 98 [2022-02-20 23:55:54,927 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 98 treesize of output 92 [2022-02-20 23:55:54,981 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:54,982 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 103 treesize of output 106 [2022-02-20 23:55:55,059 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 57 treesize of output 55 [2022-02-20 23:55:55,685 INFO L290 TraceCheckUtils]: 34: Hoare triple {14899#false} assume !false; {14899#false} is VALID [2022-02-20 23:55:55,686 INFO L290 TraceCheckUtils]: 33: Hoare triple {14899#false} assume !(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {14899#false} is VALID [2022-02-20 23:55:55,686 INFO L290 TraceCheckUtils]: 32: Hoare triple {14899#false} 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; {14899#false} is VALID [2022-02-20 23:55:55,686 INFO L290 TraceCheckUtils]: 31: Hoare triple {15037#(not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1045 {14899#false} is VALID [2022-02-20 23:55:55,687 INFO L290 TraceCheckUtils]: 30: Hoare triple {15041#(or (not (= |ULTIMATE.start_main_#t~mem9#1| ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume ~unnamed1~0~RED == main_#t~mem9#1;havoc main_#t~mem9#1; {15037#(not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 23:55:55,687 INFO L290 TraceCheckUtils]: 29: Hoare triple {15045#(or (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {15041#(or (not (= |ULTIMATE.start_main_#t~mem9#1| ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,688 INFO L290 TraceCheckUtils]: 28: Hoare triple {15045#(or (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {15045#(or (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,688 INFO L290 TraceCheckUtils]: 27: Hoare triple {15052#(or (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_#t~mem12#1.base|) (+ |ULTIMATE.start_main_#t~mem12#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_#t~mem12#1.offset|)))} 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; {15045#(or (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_~end~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,689 INFO L290 TraceCheckUtils]: 26: Hoare triple {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {15052#(or (not (= ~unnamed1~0~RED (select (select |#memory_int| |ULTIMATE.start_main_#t~mem12#1.base|) (+ |ULTIMATE.start_main_#t~mem12#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_#t~mem12#1.offset|)))} is VALID [2022-02-20 23:55:55,689 INFO L290 TraceCheckUtils]: 25: Hoare triple {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,690 INFO L290 TraceCheckUtils]: 24: Hoare triple {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,690 INFO L290 TraceCheckUtils]: 23: Hoare triple {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,690 INFO L290 TraceCheckUtils]: 22: Hoare triple {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,691 INFO L290 TraceCheckUtils]: 21: Hoare triple {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,691 INFO L290 TraceCheckUtils]: 20: Hoare triple {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,692 INFO L290 TraceCheckUtils]: 19: Hoare triple {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} goto; {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,692 INFO L290 TraceCheckUtils]: 18: Hoare triple {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,693 INFO L290 TraceCheckUtils]: 17: Hoare triple {15084#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) ~unnamed1~0~RED)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {15056#(or (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 4)) ~unnamed1~0~RED)) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,694 INFO L290 TraceCheckUtils]: 16: Hoare triple {15084#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) ~unnamed1~0~RED)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {15084#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) ~unnamed1~0~RED)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} is VALID [2022-02-20 23:55:55,694 INFO L290 TraceCheckUtils]: 15: Hoare triple {15084#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) ~unnamed1~0~RED)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15084#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) ~unnamed1~0~RED)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} is VALID [2022-02-20 23:55:55,696 INFO L290 TraceCheckUtils]: 14: Hoare triple {15094#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (and (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {15084#(forall ((|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) ~unnamed1~0~RED)) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} is VALID [2022-02-20 23:55:55,698 INFO L290 TraceCheckUtils]: 13: Hoare triple {15094#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (and (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {15094#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (and (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} is VALID [2022-02-20 23:55:55,700 INFO L290 TraceCheckUtils]: 12: Hoare triple {15094#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (and (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {15094#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (and (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} is VALID [2022-02-20 23:55:55,705 WARN L290 TraceCheckUtils]: 11: Hoare triple {15104#(or (forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (and (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {15094#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (and (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} is UNKNOWN [2022-02-20 23:55:55,707 INFO L290 TraceCheckUtils]: 10: Hoare triple {15108#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (and (or (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 0) (< |ULTIMATE.start_main_#t~mem4#1.offset| 0)) (or (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (< |ULTIMATE.start_main_#t~mem4#1.offset| 0)) (<= |ULTIMATE.start_main_#t~mem4#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15104#(or (forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (and (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_~end~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 4) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|)))) (not (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:55:55,709 INFO L290 TraceCheckUtils]: 9: Hoare triple {15112#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (and (or (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 0)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (or (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (forall ((v_ArrVal_893 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {15108#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (and (or (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 0) (< |ULTIMATE.start_main_#t~mem4#1.offset| 0)) (or (forall ((v_ArrVal_893 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (< |ULTIMATE.start_main_#t~mem4#1.offset| 0)) (<= |ULTIMATE.start_main_#t~mem4#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} is VALID [2022-02-20 23:55:55,710 INFO L290 TraceCheckUtils]: 8: Hoare triple {15112#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (and (or (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 0)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (or (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (forall ((v_ArrVal_893 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15112#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (and (or (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 0)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (or (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (forall ((v_ArrVal_893 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} is VALID [2022-02-20 23:55:55,711 INFO L290 TraceCheckUtils]: 7: Hoare triple {15119#(and (or (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0)))) (or (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {15112#(forall ((v_ArrVal_891 (Array Int Int)) (|v_ULTIMATE.start_main_~end~0#1.offset_90| Int)) (or (not (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))) (and (or (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|) 0)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_891) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|)) (or (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (forall ((v_ArrVal_893 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) v_ArrVal_893) |ULTIMATE.start_main_~list~0#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_90|))))) (not (<= |v_ULTIMATE.start_main_~end~0#1.offset_90| |ULTIMATE.start_main_~list~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_90|))))} is VALID [2022-02-20 23:55:55,713 INFO L290 TraceCheckUtils]: 6: Hoare triple {15123#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} 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); {15119#(and (or (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (and (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0)))) (or (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)))} is VALID [2022-02-20 23:55:55,713 INFO L290 TraceCheckUtils]: 5: Hoare triple {15123#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15123#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} is VALID [2022-02-20 23:55:55,714 INFO L290 TraceCheckUtils]: 4: Hoare triple {15130#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {15123#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (<= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|)) (or (< |ULTIMATE.start_main_~list~0#1.offset| 0) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (or (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (< |ULTIMATE.start_main_~list~0#1.offset| 0))) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} is VALID [2022-02-20 23:55:55,715 INFO L290 TraceCheckUtils]: 3: Hoare triple {15130#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {15130#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} is VALID [2022-02-20 23:55:55,716 INFO L290 TraceCheckUtils]: 2: Hoare triple {15130#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {15130#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} is VALID [2022-02-20 23:55:55,728 INFO L290 TraceCheckUtils]: 1: Hoare triple {14898#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {15130#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_25| Int)) (or (and (or (not (= |ULTIMATE.start_main_~list~0#1.base| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)) (< |ULTIMATE.start_main_~list~0#1.offset| 0)) (<= |ULTIMATE.start_main_~list~0#1.offset| 0)) (not (= 0 (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_25|)))))} is VALID [2022-02-20 23:55:55,729 INFO L290 TraceCheckUtils]: 0: Hoare triple {14898#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); {14898#true} is VALID [2022-02-20 23:55:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:55,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9447334] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:55,729 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:55,730 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 15] total 38 [2022-02-20 23:55:55,730 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662673976] [2022-02-20 23:55:55,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:55,732 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 38 states have internal predecessors, (88), 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 35 [2022-02-20 23:55:55,732 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:55,732 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 38 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 38 states have internal predecessors, (88), 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 23:55:55,804 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 87 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:55,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-02-20 23:55:55,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:55,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-02-20 23:55:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1082, Unknown=4, NotChecked=204, Total=1406 [2022-02-20 23:55:55,806 INFO L87 Difference]: Start difference. First operand 163 states and 177 transitions. Second operand has 38 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 38 states have internal predecessors, (88), 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 23:55:58,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,121 INFO L93 Difference]: Finished difference Result 212 states and 229 transitions. [2022-02-20 23:55:58,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 23:55:58,122 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 38 states have internal predecessors, (88), 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 35 [2022-02-20 23:55:58,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:58,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 38 states have internal predecessors, (88), 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 23:55:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 194 transitions. [2022-02-20 23:55:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 38 states have internal predecessors, (88), 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 23:55:58,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 194 transitions. [2022-02-20 23:55:58,129 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 194 transitions. [2022-02-20 23:55:58,313 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 194 edges. 194 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:58,316 INFO L225 Difference]: With dead ends: 212 [2022-02-20 23:55:58,316 INFO L226 Difference]: Without dead ends: 212 [2022-02-20 23:55:58,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=307, Invalid=1957, Unknown=4, NotChecked=282, Total=2550 [2022-02-20 23:55:58,318 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 230 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 757 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:58,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 829 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1011 Invalid, 0 Unknown, 757 Unchecked, 0.7s Time] [2022-02-20 23:55:58,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-02-20 23:55:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 162. [2022-02-20 23:55:58,322 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:58,322 INFO L82 GeneralOperation]: Start isEquivalent. First operand 212 states. Second operand has 162 states, 140 states have (on average 1.25) internal successors, (175), 161 states have internal predecessors, (175), 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 23:55:58,322 INFO L74 IsIncluded]: Start isIncluded. First operand 212 states. Second operand has 162 states, 140 states have (on average 1.25) internal successors, (175), 161 states have internal predecessors, (175), 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 23:55:58,322 INFO L87 Difference]: Start difference. First operand 212 states. Second operand has 162 states, 140 states have (on average 1.25) internal successors, (175), 161 states have internal predecessors, (175), 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 23:55:58,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,328 INFO L93 Difference]: Finished difference Result 212 states and 229 transitions. [2022-02-20 23:55:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 229 transitions. [2022-02-20 23:55:58,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:58,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:58,329 INFO L74 IsIncluded]: Start isIncluded. First operand has 162 states, 140 states have (on average 1.25) internal successors, (175), 161 states have internal predecessors, (175), 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 212 states. [2022-02-20 23:55:58,330 INFO L87 Difference]: Start difference. First operand has 162 states, 140 states have (on average 1.25) internal successors, (175), 161 states have internal predecessors, (175), 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 212 states. [2022-02-20 23:55:58,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,334 INFO L93 Difference]: Finished difference Result 212 states and 229 transitions. [2022-02-20 23:55:58,334 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 229 transitions. [2022-02-20 23:55:58,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:58,335 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:58,335 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:58,335 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 140 states have (on average 1.25) internal successors, (175), 161 states have internal predecessors, (175), 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 23:55:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 175 transitions. [2022-02-20 23:55:58,339 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 175 transitions. Word has length 35 [2022-02-20 23:55:58,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:58,339 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 175 transitions. [2022-02-20 23:55:58,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 38 states have internal predecessors, (88), 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 23:55:58,339 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 175 transitions. [2022-02-20 23:55:58,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-02-20 23:55:58,340 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:58,340 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:58,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-20 23:55:58,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:58,555 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr26REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 50 more)] === [2022-02-20 23:55:58,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:58,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1209765196, now seen corresponding path program 2 times [2022-02-20 23:55:58,556 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:58,556 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36867827] [2022-02-20 23:55:58,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:58,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:58,743 INFO L290 TraceCheckUtils]: 0: Hoare triple {15967#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); {15967#true} is VALID [2022-02-20 23:55:58,744 INFO L290 TraceCheckUtils]: 1: Hoare triple {15967#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {15967#true} is VALID [2022-02-20 23:55:58,744 INFO L290 TraceCheckUtils]: 2: Hoare triple {15967#true} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {15969#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:58,744 INFO L290 TraceCheckUtils]: 3: Hoare triple {15969#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {15969#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} is VALID [2022-02-20 23:55:58,745 INFO L290 TraceCheckUtils]: 4: Hoare triple {15969#(= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1)} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {15970#(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 23:55:58,745 INFO L290 TraceCheckUtils]: 5: Hoare triple {15970#(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; {15970#(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 23:55:58,745 INFO L290 TraceCheckUtils]: 6: Hoare triple {15970#(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); {15971#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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 23:55:58,746 INFO L290 TraceCheckUtils]: 7: Hoare triple {15971#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {15972#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 23:55:58,747 INFO L290 TraceCheckUtils]: 8: Hoare triple {15972#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15972#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|))} is VALID [2022-02-20 23:55:58,747 INFO L290 TraceCheckUtils]: 9: Hoare triple {15972#(and (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {15973#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.offset|) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|))} is VALID [2022-02-20 23:55:58,748 INFO L290 TraceCheckUtils]: 10: Hoare triple {15973#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.offset|) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15974#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} is VALID [2022-02-20 23:55:58,748 INFO L290 TraceCheckUtils]: 11: Hoare triple {15974#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {15975#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,749 INFO L290 TraceCheckUtils]: 12: Hoare triple {15975#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {15975#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,750 INFO L290 TraceCheckUtils]: 13: Hoare triple {15975#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {15975#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,751 INFO L290 TraceCheckUtils]: 14: Hoare triple {15975#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {15976#(and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,752 INFO L290 TraceCheckUtils]: 15: Hoare triple {15976#(and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15976#(and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,752 INFO L290 TraceCheckUtils]: 16: Hoare triple {15976#(and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {15976#(and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,752 INFO L290 TraceCheckUtils]: 17: Hoare triple {15976#(and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,753 INFO L290 TraceCheckUtils]: 18: Hoare triple {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,753 INFO L290 TraceCheckUtils]: 19: Hoare triple {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} goto; {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,754 INFO L290 TraceCheckUtils]: 20: Hoare triple {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,754 INFO L290 TraceCheckUtils]: 21: Hoare triple {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,755 INFO L290 TraceCheckUtils]: 22: Hoare triple {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} goto; {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,755 INFO L290 TraceCheckUtils]: 23: Hoare triple {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,756 INFO L290 TraceCheckUtils]: 24: Hoare triple {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,756 INFO L290 TraceCheckUtils]: 25: Hoare triple {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} is VALID [2022-02-20 23:55:58,757 INFO L290 TraceCheckUtils]: 26: Hoare triple {15977#(and (= (select (select |#memory_$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$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|)) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {15978#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem12#1.base|) |ULTIMATE.start_main_#t~mem12#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem12#1.base|) |ULTIMATE.start_main_#t~mem12#1.offset|) 0))} is VALID [2022-02-20 23:55:58,757 INFO L290 TraceCheckUtils]: 27: Hoare triple {15978#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem12#1.base|) |ULTIMATE.start_main_#t~mem12#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem12#1.base|) |ULTIMATE.start_main_#t~mem12#1.offset|) 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {15979#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,758 INFO L290 TraceCheckUtils]: 28: Hoare triple {15979#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {15979#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,758 INFO L290 TraceCheckUtils]: 29: Hoare triple {15979#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {15979#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,759 INFO L290 TraceCheckUtils]: 30: Hoare triple {15979#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {15979#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,759 INFO L290 TraceCheckUtils]: 31: Hoare triple {15979#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {15980#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:55:58,760 INFO L290 TraceCheckUtils]: 32: Hoare triple {15980#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} 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; {15981#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:55:58,760 INFO L290 TraceCheckUtils]: 33: Hoare triple {15981#(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); {15968#false} is VALID [2022-02-20 23:55:58,760 INFO L290 TraceCheckUtils]: 34: Hoare triple {15968#false} assume !(1 == #valid[main_~end~0#1.base]); {15968#false} is VALID [2022-02-20 23:55:58,761 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:55:58,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:58,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36867827] [2022-02-20 23:55:58,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36867827] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:58,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094466016] [2022-02-20 23:55:58,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 23:55:58,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:58,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:58,763 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:55:58,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-20 23:55:58,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 23:55:58,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 23:55:58,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 63 conjunts are in the unsatisfiable core [2022-02-20 23:55:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:58,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:58,901 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 23:55:58,964 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:58,965 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 23:55:59,009 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 11 treesize of output 7 [2022-02-20 23:55:59,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:55:59,105 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-02-20 23:55:59,106 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 26 treesize of output 21 [2022-02-20 23:55:59,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:59,117 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-02-20 23:55:59,117 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 27 treesize of output 22 [2022-02-20 23:55:59,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:59,220 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-20 23:55:59,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 70 [2022-02-20 23:55:59,246 INFO L356 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-02-20 23:55:59,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 55 [2022-02-20 23:56:00,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:00,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:00,206 INFO L356 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2022-02-20 23:56:00,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 61 treesize of output 38 [2022-02-20 23:56:00,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:00,290 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:56:00,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 16 [2022-02-20 23:56:00,323 INFO L290 TraceCheckUtils]: 0: Hoare triple {15967#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); {15967#true} is VALID [2022-02-20 23:56:00,324 INFO L290 TraceCheckUtils]: 1: Hoare triple {15967#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;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; {15988#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,324 INFO L290 TraceCheckUtils]: 2: Hoare triple {15988#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~list~0#1.base, main_~list~0#1.offset, 4); srcloc: L1007 {15988#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,325 INFO L290 TraceCheckUtils]: 3: Hoare triple {15988#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~list~0#1.base, 4 + main_~list~0#1.offset, 4); srcloc: L1007-1 {15988#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,325 INFO L290 TraceCheckUtils]: 4: Hoare triple {15988#(and (= (select |#valid| |ULTIMATE.start_main_~list~0#1.base|) 1) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {15998#(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 23:56:00,325 INFO L290 TraceCheckUtils]: 5: Hoare triple {15998#(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; {15998#(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 23:56:00,326 INFO L290 TraceCheckUtils]: 6: Hoare triple {15998#(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); {16005#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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 23:56:00,327 INFO L290 TraceCheckUtils]: 7: Hoare triple {16005#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= |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))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1016 {16009#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,327 INFO L290 TraceCheckUtils]: 8: Hoare triple {16009#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {16009#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,328 INFO L290 TraceCheckUtils]: 9: Hoare triple {16009#(and (not (= |ULTIMATE.start_main_~list~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|))) (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|) (= |ULTIMATE.start_main_~list~0#1.offset| |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1017 {16016#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,329 INFO L290 TraceCheckUtils]: 10: Hoare triple {16016#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_#t~mem4#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {16020#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,330 INFO L290 TraceCheckUtils]: 11: Hoare triple {16020#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1018 {16024#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,331 INFO L290 TraceCheckUtils]: 12: Hoare triple {16024#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {16024#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,332 INFO L290 TraceCheckUtils]: 13: Hoare triple {16024#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; {16024#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,333 INFO L290 TraceCheckUtils]: 14: Hoare triple {16024#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~end~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0))} SUMMARY for call write~int(~unnamed1~0~BLACK, main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1022 {16034#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:56:00,334 INFO L290 TraceCheckUtils]: 15: Hoare triple {16034#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16034#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:56:00,338 INFO L290 TraceCheckUtils]: 16: Hoare triple {16034#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0))} assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1; {16034#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:56:00,339 INFO L290 TraceCheckUtils]: 17: Hoare triple {16034#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|) 0) (= |ULTIMATE.start_main_~list~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~list~0#1.base|) |ULTIMATE.start_main_~list~0#1.offset|)) 0) 0))} main_~end~0#1.base, main_~end~0#1.offset := 0, 0;main_~end~0#1.base, main_~end~0#1.offset := main_~list~0#1.base, main_~list~0#1.offset; {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} is VALID [2022-02-20 23:56:00,339 INFO L290 TraceCheckUtils]: 18: Hoare triple {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} is VALID [2022-02-20 23:56:00,340 INFO L290 TraceCheckUtils]: 19: Hoare triple {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} goto; {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} is VALID [2022-02-20 23:56:00,341 INFO L290 TraceCheckUtils]: 20: Hoare triple {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1039-4 {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} is VALID [2022-02-20 23:56:00,341 INFO L290 TraceCheckUtils]: 21: Hoare triple {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} assume !!(~unnamed1~0~BLACK == main_#t~mem8#1);havoc main_#t~mem8#1; {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} is VALID [2022-02-20 23:56:00,342 INFO L290 TraceCheckUtils]: 22: Hoare triple {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} goto; {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} is VALID [2022-02-20 23:56:00,343 INFO L290 TraceCheckUtils]: 23: Hoare triple {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} is VALID [2022-02-20 23:56:00,343 INFO L290 TraceCheckUtils]: 24: Hoare triple {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} is VALID [2022-02-20 23:56:00,344 INFO L290 TraceCheckUtils]: 25: Hoare triple {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} is VALID [2022-02-20 23:56:00,345 INFO L290 TraceCheckUtils]: 26: Hoare triple {16044#(and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {16072#(exists ((|ULTIMATE.start_main_~end~0#1.offset| Int) (|ULTIMATE.start_main_~end~0#1.base| Int)) (and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) |ULTIMATE.start_main_#t~mem12#1.offset|) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) |ULTIMATE.start_main_#t~mem12#1.base|) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} is VALID [2022-02-20 23:56:00,346 INFO L290 TraceCheckUtils]: 27: Hoare triple {16072#(exists ((|ULTIMATE.start_main_~end~0#1.offset| Int) (|ULTIMATE.start_main_~end~0#1.base| Int)) (and (<= |ULTIMATE.start_main_~end~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) |ULTIMATE.start_main_#t~mem12#1.offset|) (not (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset|) |ULTIMATE.start_main_#t~mem12#1.base|) (<= 0 |ULTIMATE.start_main_~end~0#1.offset|)))} main_~end~0#1.base, main_~end~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset; {16076#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_94| Int) (|v_ULTIMATE.start_main_~end~0#1.base_111| Int)) (and (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|)) (<= |v_ULTIMATE.start_main_~end~0#1.offset_94| 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|) |ULTIMATE.start_main_~end~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0) |v_ULTIMATE.start_main_~end~0#1.base_111|)) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_94|)))} is VALID [2022-02-20 23:56:00,347 INFO L290 TraceCheckUtils]: 28: Hoare triple {16076#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_94| Int) (|v_ULTIMATE.start_main_~end~0#1.base_111| Int)) (and (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|)) (<= |v_ULTIMATE.start_main_~end~0#1.offset_94| 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|) |ULTIMATE.start_main_~end~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0) |v_ULTIMATE.start_main_~end~0#1.base_111|)) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_94|)))} assume !!(0 != main_~end~0#1.base || 0 != main_~end~0#1.offset); {16076#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_94| Int) (|v_ULTIMATE.start_main_~end~0#1.base_111| Int)) (and (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|)) (<= |v_ULTIMATE.start_main_~end~0#1.offset_94| 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|) |ULTIMATE.start_main_~end~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0) |v_ULTIMATE.start_main_~end~0#1.base_111|)) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_94|)))} is VALID [2022-02-20 23:56:00,348 INFO L290 TraceCheckUtils]: 29: Hoare triple {16076#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_94| Int) (|v_ULTIMATE.start_main_~end~0#1.base_111| Int)) (and (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|)) (<= |v_ULTIMATE.start_main_~end~0#1.offset_94| 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|) |ULTIMATE.start_main_~end~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0) |v_ULTIMATE.start_main_~end~0#1.base_111|)) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_94|)))} SUMMARY for call main_#t~mem9#1 := read~int(main_~end~0#1.base, 4 + main_~end~0#1.offset, 4); srcloc: L1043 {16076#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_94| Int) (|v_ULTIMATE.start_main_~end~0#1.base_111| Int)) (and (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|)) (<= |v_ULTIMATE.start_main_~end~0#1.offset_94| 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|) |ULTIMATE.start_main_~end~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0) |v_ULTIMATE.start_main_~end~0#1.base_111|)) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_94|)))} is VALID [2022-02-20 23:56:00,349 INFO L290 TraceCheckUtils]: 30: Hoare triple {16076#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_94| Int) (|v_ULTIMATE.start_main_~end~0#1.base_111| Int)) (and (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|)) (<= |v_ULTIMATE.start_main_~end~0#1.offset_94| 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|) |ULTIMATE.start_main_~end~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0) |v_ULTIMATE.start_main_~end~0#1.base_111|)) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_94|)))} assume !(~unnamed1~0~RED == main_#t~mem9#1);havoc main_#t~mem9#1; {16076#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_94| Int) (|v_ULTIMATE.start_main_~end~0#1.base_111| Int)) (and (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|)) (<= |v_ULTIMATE.start_main_~end~0#1.offset_94| 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|) |ULTIMATE.start_main_~end~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0) |v_ULTIMATE.start_main_~end~0#1.base_111|)) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_94|)))} is VALID [2022-02-20 23:56:00,350 INFO L290 TraceCheckUtils]: 31: Hoare triple {16076#(exists ((|v_ULTIMATE.start_main_~end~0#1.offset_94| Int) (|v_ULTIMATE.start_main_~end~0#1.base_111| Int)) (and (= |ULTIMATE.start_main_~end~0#1.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|)) (<= |v_ULTIMATE.start_main_~end~0#1.offset_94| 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~end~0#1.base_111|) |v_ULTIMATE.start_main_~end~0#1.offset_94|) |ULTIMATE.start_main_~end~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~end~0#1.base_111|) 0) |v_ULTIMATE.start_main_~end~0#1.base_111|)) (<= 0 |v_ULTIMATE.start_main_~end~0#1.offset_94|)))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~end~0#1.base, main_~end~0#1.offset, 4); srcloc: L1043-2 {15980#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:56:00,350 INFO L290 TraceCheckUtils]: 32: Hoare triple {15980#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} 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; {15981#(and (= |ULTIMATE.start_main_~end~0#1.base| 0) (= |ULTIMATE.start_main_~end~0#1.offset| 0))} is VALID [2022-02-20 23:56:00,350 INFO L290 TraceCheckUtils]: 33: Hoare triple {15981#(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); {15968#false} is VALID [2022-02-20 23:56:00,350 INFO L290 TraceCheckUtils]: 34: Hoare triple {15968#false} assume !(1 == #valid[main_~end~0#1.base]); {15968#false} is VALID [2022-02-20 23:56:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:00,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:56:08,689 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:08,689 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 16172 treesize of output 14945 [2022-02-20 23:56:09,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:09,474 INFO L173 IndexEqualityManager]: detected equality via solver