./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-sorted-2.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-sorted-2.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 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:55:26,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:55:26,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:55:26,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:55:26,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:55:26,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:55:26,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:55:26,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:55:26,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:55:26,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:55:26,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:55:26,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:55:26,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:55:26,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:55:26,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:55:26,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:55:26,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:55:26,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:55:26,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:55:26,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:55:26,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:55:26,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:55:26,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:55:26,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:55:26,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:55:26,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:55:26,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:55:26,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:55:26,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:55:26,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:55:26,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:55:26,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:55:26,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:55:26,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:55:26,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:55:26,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:55:26,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:55:26,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:55:26,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:55:26,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:55:26,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:55:26,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:55:26,389 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:55:26,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:55:26,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:55:26,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:55:26,391 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:55:26,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:55:26,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:55:26,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:55:26,391 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:55:26,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:55:26,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:55:26,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:55:26,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:55:26,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:55:26,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:55:26,393 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:55:26,393 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:55:26,393 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:55:26,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:55:26,393 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:55:26,394 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:55:26,394 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:55:26,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:55:26,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:55:26,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:55:26,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:55:26,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:55:26,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:55:26,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:55:26,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:55:26,396 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f [2022-02-20 23:55:26,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:55:26,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:55:26,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:55:26,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:55:26,618 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:55:26,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-sorted-2.i [2022-02-20 23:55:26,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a99166d/3ab46353bfda4a2b9a7eaa67efd9e880/FLAG815fea0f7 [2022-02-20 23:55:27,076 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:55:27,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-sorted-2.i [2022-02-20 23:55:27,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a99166d/3ab46353bfda4a2b9a7eaa67efd9e880/FLAG815fea0f7 [2022-02-20 23:55:27,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a99166d/3ab46353bfda4a2b9a7eaa67efd9e880 [2022-02-20 23:55:27,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:55:27,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:55:27,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:55:27,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:55:27,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:55:27,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23773e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27, skipping insertion in model container [2022-02-20 23:55:27,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:55:27,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:55:27,373 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-sorted-2.i[22317,22330] [2022-02-20 23:55:27,378 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-sorted-2.i[22452,22465] [2022-02-20 23:55:27,387 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-sorted-2.i[22612,22625] [2022-02-20 23:55:27,390 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-sorted-2.i[22941,22954] [2022-02-20 23:55:27,392 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-sorted-2.i[23005,23018] [2022-02-20 23:55:27,394 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-sorted-2.i[23136,23149] [2022-02-20 23:55:27,395 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-sorted-2.i[23200,23213] [2022-02-20 23:55:27,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:55:27,405 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:55:27,438 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-sorted-2.i[22317,22330] [2022-02-20 23:55:27,439 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-sorted-2.i[22452,22465] [2022-02-20 23:55:27,441 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-sorted-2.i[22612,22625] [2022-02-20 23:55:27,443 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-sorted-2.i[22941,22954] [2022-02-20 23:55:27,443 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-sorted-2.i[23005,23018] [2022-02-20 23:55:27,444 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-sorted-2.i[23136,23149] [2022-02-20 23:55:27,444 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-sorted-2.i[23200,23213] [2022-02-20 23:55:27,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:55:27,478 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:55:27,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27 WrapperNode [2022-02-20 23:55:27,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:55:27,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:55:27,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:55:27,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:55:27,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,552 INFO L137 Inliner]: procedures = 119, calls = 40, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 199 [2022-02-20 23:55:27,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:55:27,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:55:27,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:55:27,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:55:27,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:55:27,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:55:27,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:55:27,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:55:27,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (1/1) ... [2022-02-20 23:55:27,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:55:27,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:27,640 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 23:55:27,642 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 23:55:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:55:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:55:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:55:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:55:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:55:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:55:27,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:55:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:55:27,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:55:27,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:55:27,745 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:55:27,746 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:55:28,238 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:55:28,244 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:55:28,246 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2022-02-20 23:55:28,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:28 BoogieIcfgContainer [2022-02-20 23:55:28,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:55:28,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:55:28,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:55:28,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:55:28,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:55:27" (1/3) ... [2022-02-20 23:55:28,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d60eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:28, skipping insertion in model container [2022-02-20 23:55:28,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:55:27" (2/3) ... [2022-02-20 23:55:28,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d60eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:55:28, skipping insertion in model container [2022-02-20 23:55:28,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:55:28" (3/3) ... [2022-02-20 23:55:28,255 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-sorted-2.i [2022-02-20 23:55:28,259 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:55:28,259 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2022-02-20 23:55:28,289 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:55:28,294 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 23:55:28,294 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2022-02-20 23:55:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 94 states have (on average 2.1702127659574466) internal successors, (204), 165 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:28,311 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:28,311 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:28,312 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:28,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:28,316 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:55:28,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:28,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273561304] [2022-02-20 23:55:28,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:28,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:28,434 INFO L290 TraceCheckUtils]: 0: Hoare triple {169#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(15, 2); {169#true} is VALID [2022-02-20 23:55:28,436 INFO L290 TraceCheckUtils]: 1: Hoare triple {169#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {171#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:28,436 INFO L290 TraceCheckUtils]: 2: Hoare triple {171#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} assume !(1 == #valid[main_~head~0#1.base]); {170#false} is VALID [2022-02-20 23:55:28,437 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 23:55:28,437 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:28,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273561304] [2022-02-20 23:55:28,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273561304] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:28,438 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:28,438 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:28,440 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244959969] [2022-02-20 23:55:28,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:28,443 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 23:55:28,444 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:28,446 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 23:55:28,450 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 23:55:28,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:28,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:28,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:28,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:28,467 INFO L87 Difference]: Start difference. First operand has 166 states, 94 states have (on average 2.1702127659574466) internal successors, (204), 165 states have internal predecessors, (204), 0 states have call successors, (0), 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 23:55:28,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:28,757 INFO L93 Difference]: Finished difference Result 170 states and 181 transitions. [2022-02-20 23:55:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:28,757 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 23:55:28,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:28,758 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 23:55:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2022-02-20 23:55:28,768 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 23:55:28,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2022-02-20 23:55:28,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 211 transitions. [2022-02-20 23:55:28,929 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 211 edges. 211 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:28,944 INFO L225 Difference]: With dead ends: 170 [2022-02-20 23:55:28,944 INFO L226 Difference]: Without dead ends: 166 [2022-02-20 23:55:28,946 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 23:55:28,950 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 160 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:28,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 116 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:28,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-02-20 23:55:28,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2022-02-20 23:55:28,981 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:28,982 INFO L82 GeneralOperation]: Start isEquivalent. First operand 166 states. Second operand has 162 states, 93 states have (on average 1.8602150537634408) internal successors, (173), 161 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:28,986 INFO L74 IsIncluded]: Start isIncluded. First operand 166 states. Second operand has 162 states, 93 states have (on average 1.8602150537634408) internal successors, (173), 161 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:28,986 INFO L87 Difference]: Start difference. First operand 166 states. Second operand has 162 states, 93 states have (on average 1.8602150537634408) internal successors, (173), 161 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:28,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:28,995 INFO L93 Difference]: Finished difference Result 166 states and 177 transitions. [2022-02-20 23:55:28,995 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 177 transitions. [2022-02-20 23:55:28,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:28,996 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:28,996 INFO L74 IsIncluded]: Start isIncluded. First operand has 162 states, 93 states have (on average 1.8602150537634408) internal successors, (173), 161 states have internal predecessors, (173), 0 states have call successors, (0), 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 166 states. [2022-02-20 23:55:28,996 INFO L87 Difference]: Start difference. First operand has 162 states, 93 states have (on average 1.8602150537634408) internal successors, (173), 161 states have internal predecessors, (173), 0 states have call successors, (0), 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 166 states. [2022-02-20 23:55:29,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:29,001 INFO L93 Difference]: Finished difference Result 166 states and 177 transitions. [2022-02-20 23:55:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 177 transitions. [2022-02-20 23:55:29,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:29,002 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:29,002 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:29,002 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 93 states have (on average 1.8602150537634408) internal successors, (173), 161 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 173 transitions. [2022-02-20 23:55:29,008 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 173 transitions. Word has length 3 [2022-02-20 23:55:29,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:29,008 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 173 transitions. [2022-02-20 23:55:29,008 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 23:55:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 173 transitions. [2022-02-20 23:55:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:55:29,009 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:29,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:55:29,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:55:29,009 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:29,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:29,010 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:55:29,010 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:29,010 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611226738] [2022-02-20 23:55:29,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:29,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:29,058 INFO L290 TraceCheckUtils]: 0: Hoare triple {838#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(15, 2); {838#true} is VALID [2022-02-20 23:55:29,059 INFO L290 TraceCheckUtils]: 1: Hoare triple {838#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {840#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:29,060 INFO L290 TraceCheckUtils]: 2: Hoare triple {840#(and (<= 8 (select |#length| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(4 + main_~head~0#1.offset <= #length[main_~head~0#1.base] && 0 <= main_~head~0#1.offset); {839#false} is VALID [2022-02-20 23:55:29,060 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 23:55:29,061 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:29,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611226738] [2022-02-20 23:55:29,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611226738] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:29,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:29,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:55:29,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703765510] [2022-02-20 23:55:29,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:29,066 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 23:55:29,067 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:29,067 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 23:55:29,072 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 23:55:29,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:29,072 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:29,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:29,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:29,073 INFO L87 Difference]: Start difference. First operand 162 states and 173 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 23:55:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:29,301 INFO L93 Difference]: Finished difference Result 164 states and 175 transitions. [2022-02-20 23:55:29,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:29,301 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 23:55:29,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:29,301 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 23:55:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2022-02-20 23:55:29,303 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 23:55:29,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2022-02-20 23:55:29,305 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 177 transitions. [2022-02-20 23:55:29,433 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 177 edges. 177 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:29,436 INFO L225 Difference]: With dead ends: 164 [2022-02-20 23:55:29,436 INFO L226 Difference]: Without dead ends: 164 [2022-02-20 23:55:29,436 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 23:55:29,437 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 156 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:29,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 114 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:29,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-02-20 23:55:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2022-02-20 23:55:29,441 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:29,442 INFO L82 GeneralOperation]: Start isEquivalent. First operand 164 states. Second operand has 160 states, 93 states have (on average 1.8387096774193548) internal successors, (171), 159 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:29,442 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand has 160 states, 93 states have (on average 1.8387096774193548) internal successors, (171), 159 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:29,442 INFO L87 Difference]: Start difference. First operand 164 states. Second operand has 160 states, 93 states have (on average 1.8387096774193548) internal successors, (171), 159 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:29,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:29,447 INFO L93 Difference]: Finished difference Result 164 states and 175 transitions. [2022-02-20 23:55:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 175 transitions. [2022-02-20 23:55:29,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:29,448 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:29,448 INFO L74 IsIncluded]: Start isIncluded. First operand has 160 states, 93 states have (on average 1.8387096774193548) internal successors, (171), 159 states have internal predecessors, (171), 0 states have call successors, (0), 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 164 states. [2022-02-20 23:55:29,449 INFO L87 Difference]: Start difference. First operand has 160 states, 93 states have (on average 1.8387096774193548) internal successors, (171), 159 states have internal predecessors, (171), 0 states have call successors, (0), 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 164 states. [2022-02-20 23:55:29,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:29,454 INFO L93 Difference]: Finished difference Result 164 states and 175 transitions. [2022-02-20 23:55:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 175 transitions. [2022-02-20 23:55:29,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:29,455 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:29,455 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:29,455 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 93 states have (on average 1.8387096774193548) internal successors, (171), 159 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 171 transitions. [2022-02-20 23:55:29,460 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 171 transitions. Word has length 3 [2022-02-20 23:55:29,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:29,460 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 171 transitions. [2022-02-20 23:55:29,460 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 23:55:29,460 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2022-02-20 23:55:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:55:29,460 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:29,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:29,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:55:29,461 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:29,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:29,461 INFO L85 PathProgramCache]: Analyzing trace with hash 59263661, now seen corresponding path program 1 times [2022-02-20 23:55:29,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:29,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784102667] [2022-02-20 23:55:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:29,530 INFO L290 TraceCheckUtils]: 0: Hoare triple {1495#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(15, 2); {1495#true} is VALID [2022-02-20 23:55:29,531 INFO L290 TraceCheckUtils]: 1: Hoare triple {1495#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {1497#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:29,531 INFO L290 TraceCheckUtils]: 2: Hoare triple {1497#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {1497#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:29,531 INFO L290 TraceCheckUtils]: 3: Hoare triple {1497#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {1497#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:29,532 INFO L290 TraceCheckUtils]: 4: Hoare triple {1497#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {1498#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:29,532 INFO L290 TraceCheckUtils]: 5: Hoare triple {1498#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1498#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:29,533 INFO L290 TraceCheckUtils]: 6: Hoare triple {1498#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {1498#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:29,533 INFO L290 TraceCheckUtils]: 7: Hoare triple {1498#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {1496#false} is VALID [2022-02-20 23:55:29,533 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 23:55:29,534 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:29,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784102667] [2022-02-20 23:55:29,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784102667] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:29,534 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:29,534 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:29,534 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786693995] [2022-02-20 23:55:29,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:29,534 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 23:55:29,534 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:29,535 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 23:55:29,540 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 23:55:29,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:29,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:29,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:29,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:29,541 INFO L87 Difference]: Start difference. First operand 160 states and 171 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 23:55:29,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:29,804 INFO L93 Difference]: Finished difference Result 168 states and 182 transitions. [2022-02-20 23:55:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:55:29,804 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 23:55:29,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:29,805 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 23:55:29,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 205 transitions. [2022-02-20 23:55:29,807 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 23:55:29,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 205 transitions. [2022-02-20 23:55:29,808 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 205 transitions. [2022-02-20 23:55:29,967 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 23:55:29,969 INFO L225 Difference]: With dead ends: 168 [2022-02-20 23:55:29,969 INFO L226 Difference]: Without dead ends: 168 [2022-02-20 23:55:29,969 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 23:55:29,970 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 276 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:29,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 88 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:29,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-02-20 23:55:29,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 157. [2022-02-20 23:55:29,975 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:29,975 INFO L82 GeneralOperation]: Start isEquivalent. First operand 168 states. Second operand has 157 states, 107 states have (on average 1.6728971962616823) internal successors, (179), 156 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:29,975 INFO L74 IsIncluded]: Start isIncluded. First operand 168 states. Second operand has 157 states, 107 states have (on average 1.6728971962616823) internal successors, (179), 156 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:29,976 INFO L87 Difference]: Start difference. First operand 168 states. Second operand has 157 states, 107 states have (on average 1.6728971962616823) internal successors, (179), 156 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:29,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:29,979 INFO L93 Difference]: Finished difference Result 168 states and 182 transitions. [2022-02-20 23:55:29,979 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 182 transitions. [2022-02-20 23:55:29,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:29,980 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:29,980 INFO L74 IsIncluded]: Start isIncluded. First operand has 157 states, 107 states have (on average 1.6728971962616823) internal successors, (179), 156 states have internal predecessors, (179), 0 states have call successors, (0), 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 168 states. [2022-02-20 23:55:29,981 INFO L87 Difference]: Start difference. First operand has 157 states, 107 states have (on average 1.6728971962616823) internal successors, (179), 156 states have internal predecessors, (179), 0 states have call successors, (0), 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 168 states. [2022-02-20 23:55:29,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:29,984 INFO L93 Difference]: Finished difference Result 168 states and 182 transitions. [2022-02-20 23:55:29,984 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 182 transitions. [2022-02-20 23:55:29,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:29,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:29,985 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:29,985 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 107 states have (on average 1.6728971962616823) internal successors, (179), 156 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 179 transitions. [2022-02-20 23:55:29,989 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 179 transitions. Word has length 8 [2022-02-20 23:55:29,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:29,989 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 179 transitions. [2022-02-20 23:55:29,989 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 23:55:29,989 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 179 transitions. [2022-02-20 23:55:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:55:29,990 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:29,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:29,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:55:29,990 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:29,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:29,991 INFO L85 PathProgramCache]: Analyzing trace with hash 59263662, now seen corresponding path program 1 times [2022-02-20 23:55:29,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:29,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536367647] [2022-02-20 23:55:29,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:29,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:30,064 INFO L290 TraceCheckUtils]: 0: Hoare triple {2164#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(15, 2); {2164#true} is VALID [2022-02-20 23:55:30,065 INFO L290 TraceCheckUtils]: 1: Hoare triple {2164#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {2166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} is VALID [2022-02-20 23:55:30,066 INFO L290 TraceCheckUtils]: 2: Hoare triple {2166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {2166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} is VALID [2022-02-20 23:55:30,067 INFO L290 TraceCheckUtils]: 3: Hoare triple {2166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {2166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} is VALID [2022-02-20 23:55:30,067 INFO L290 TraceCheckUtils]: 4: Hoare triple {2166#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~0#1.base|) 8))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {2167#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:55:30,068 INFO L290 TraceCheckUtils]: 5: Hoare triple {2167#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2167#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:55:30,069 INFO L290 TraceCheckUtils]: 6: Hoare triple {2167#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {2167#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:55:30,069 INFO L290 TraceCheckUtils]: 7: Hoare triple {2167#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume !(4 + main_~x~0#1.offset <= #length[main_~x~0#1.base] && 0 <= main_~x~0#1.offset); {2165#false} is VALID [2022-02-20 23:55:30,069 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 23:55:30,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:30,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536367647] [2022-02-20 23:55:30,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536367647] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:30,070 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:30,070 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:30,070 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893763246] [2022-02-20 23:55:30,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:30,071 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 23:55:30,071 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:30,071 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 23:55:30,077 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 23:55:30,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:30,078 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:30,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:30,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:30,079 INFO L87 Difference]: Start difference. First operand 157 states and 179 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 23:55:30,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:30,487 INFO L93 Difference]: Finished difference Result 240 states and 264 transitions. [2022-02-20 23:55:30,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:55:30,487 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 23:55:30,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:30,488 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 23:55:30,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 277 transitions. [2022-02-20 23:55:30,490 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 23:55:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 277 transitions. [2022-02-20 23:55:30,492 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 277 transitions. [2022-02-20 23:55:30,700 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 277 edges. 277 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:30,703 INFO L225 Difference]: With dead ends: 240 [2022-02-20 23:55:30,703 INFO L226 Difference]: Without dead ends: 240 [2022-02-20 23:55:30,703 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 23:55:30,704 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 315 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:30,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 146 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:30,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-02-20 23:55:30,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 206. [2022-02-20 23:55:30,709 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:30,710 INFO L82 GeneralOperation]: Start isEquivalent. First operand 240 states. Second operand has 206 states, 156 states have (on average 1.5705128205128205) internal successors, (245), 205 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,710 INFO L74 IsIncluded]: Start isIncluded. First operand 240 states. Second operand has 206 states, 156 states have (on average 1.5705128205128205) internal successors, (245), 205 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,710 INFO L87 Difference]: Start difference. First operand 240 states. Second operand has 206 states, 156 states have (on average 1.5705128205128205) internal successors, (245), 205 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:30,715 INFO L93 Difference]: Finished difference Result 240 states and 264 transitions. [2022-02-20 23:55:30,715 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 264 transitions. [2022-02-20 23:55:30,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:30,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:30,716 INFO L74 IsIncluded]: Start isIncluded. First operand has 206 states, 156 states have (on average 1.5705128205128205) internal successors, (245), 205 states have internal predecessors, (245), 0 states have call successors, (0), 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 240 states. [2022-02-20 23:55:30,716 INFO L87 Difference]: Start difference. First operand has 206 states, 156 states have (on average 1.5705128205128205) internal successors, (245), 205 states have internal predecessors, (245), 0 states have call successors, (0), 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 240 states. [2022-02-20 23:55:30,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:30,721 INFO L93 Difference]: Finished difference Result 240 states and 264 transitions. [2022-02-20 23:55:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 264 transitions. [2022-02-20 23:55:30,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:30,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:30,721 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:30,721 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:30,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 156 states have (on average 1.5705128205128205) internal successors, (245), 205 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 245 transitions. [2022-02-20 23:55:30,725 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 245 transitions. Word has length 8 [2022-02-20 23:55:30,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:30,726 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 245 transitions. [2022-02-20 23:55:30,726 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 23:55:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 245 transitions. [2022-02-20 23:55:30,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 23:55:30,726 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:30,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:30,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:55:30,727 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:30,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:30,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1117776432, now seen corresponding path program 1 times [2022-02-20 23:55:30,728 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:30,728 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105671585] [2022-02-20 23:55:30,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:30,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:30,754 INFO L290 TraceCheckUtils]: 0: Hoare triple {3098#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(15, 2); {3098#true} is VALID [2022-02-20 23:55:30,754 INFO L290 TraceCheckUtils]: 1: Hoare triple {3098#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {3098#true} is VALID [2022-02-20 23:55:30,755 INFO L290 TraceCheckUtils]: 2: Hoare triple {3098#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {3098#true} is VALID [2022-02-20 23:55:30,755 INFO L290 TraceCheckUtils]: 3: Hoare triple {3098#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {3098#true} is VALID [2022-02-20 23:55:30,755 INFO L290 TraceCheckUtils]: 4: Hoare triple {3098#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {3100#(= |ULTIMATE.start_main_~marked~0#1| 0)} is VALID [2022-02-20 23:55:30,756 INFO L290 TraceCheckUtils]: 5: Hoare triple {3100#(= |ULTIMATE.start_main_~marked~0#1| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3100#(= |ULTIMATE.start_main_~marked~0#1| 0)} is VALID [2022-02-20 23:55:30,756 INFO L290 TraceCheckUtils]: 6: Hoare triple {3100#(= |ULTIMATE.start_main_~marked~0#1| 0)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {3099#false} is VALID [2022-02-20 23:55:30,756 INFO L290 TraceCheckUtils]: 7: Hoare triple {3099#false} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3099#false} is VALID [2022-02-20 23:55:30,756 INFO L290 TraceCheckUtils]: 8: Hoare triple {3099#false} assume !(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {3099#false} is VALID [2022-02-20 23:55:30,756 INFO L290 TraceCheckUtils]: 9: Hoare triple {3099#false} assume !false; {3099#false} is VALID [2022-02-20 23:55:30,757 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 23:55:30,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:30,757 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105671585] [2022-02-20 23:55:30,757 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105671585] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:30,757 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:30,757 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:30,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233228787] [2022-02-20 23:55:30,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:30,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 23:55:30,758 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:30,758 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 23:55:30,764 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 23:55:30,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:30,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:30,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:30,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:30,765 INFO L87 Difference]: Start difference. First operand 206 states and 245 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 23:55:30,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:30,903 INFO L93 Difference]: Finished difference Result 246 states and 288 transitions. [2022-02-20 23:55:30,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:30,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 23:55:30,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 23:55:30,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2022-02-20 23:55:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 23:55:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2022-02-20 23:55:30,906 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 192 transitions. [2022-02-20 23:55:31,000 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:31,004 INFO L225 Difference]: With dead ends: 246 [2022-02-20 23:55:31,004 INFO L226 Difference]: Without dead ends: 246 [2022-02-20 23:55:31,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 23:55:31,005 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 111 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:31,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 217 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:31,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-02-20 23:55:31,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 216. [2022-02-20 23:55:31,010 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:31,010 INFO L82 GeneralOperation]: Start isEquivalent. First operand 246 states. Second operand has 216 states, 166 states have (on average 1.5602409638554218) internal successors, (259), 215 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,010 INFO L74 IsIncluded]: Start isIncluded. First operand 246 states. Second operand has 216 states, 166 states have (on average 1.5602409638554218) internal successors, (259), 215 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,011 INFO L87 Difference]: Start difference. First operand 246 states. Second operand has 216 states, 166 states have (on average 1.5602409638554218) internal successors, (259), 215 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:31,015 INFO L93 Difference]: Finished difference Result 246 states and 288 transitions. [2022-02-20 23:55:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 288 transitions. [2022-02-20 23:55:31,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:31,016 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:31,016 INFO L74 IsIncluded]: Start isIncluded. First operand has 216 states, 166 states have (on average 1.5602409638554218) internal successors, (259), 215 states have internal predecessors, (259), 0 states have call successors, (0), 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 246 states. [2022-02-20 23:55:31,017 INFO L87 Difference]: Start difference. First operand has 216 states, 166 states have (on average 1.5602409638554218) internal successors, (259), 215 states have internal predecessors, (259), 0 states have call successors, (0), 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 246 states. [2022-02-20 23:55:31,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:31,021 INFO L93 Difference]: Finished difference Result 246 states and 288 transitions. [2022-02-20 23:55:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 288 transitions. [2022-02-20 23:55:31,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:31,022 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:31,022 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:31,022 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 166 states have (on average 1.5602409638554218) internal successors, (259), 215 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 259 transitions. [2022-02-20 23:55:31,027 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 259 transitions. Word has length 10 [2022-02-20 23:55:31,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:31,027 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 259 transitions. [2022-02-20 23:55:31,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 23:55:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 259 transitions. [2022-02-20 23:55:31,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:31,028 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:31,028 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:31,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:55:31,028 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:31,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:31,029 INFO L85 PathProgramCache]: Analyzing trace with hash 467003055, now seen corresponding path program 1 times [2022-02-20 23:55:31,029 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:31,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520167414] [2022-02-20 23:55:31,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:31,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:31,075 INFO L290 TraceCheckUtils]: 0: Hoare triple {4057#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(15, 2); {4057#true} is VALID [2022-02-20 23:55:31,075 INFO L290 TraceCheckUtils]: 1: Hoare triple {4057#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {4057#true} is VALID [2022-02-20 23:55:31,076 INFO L290 TraceCheckUtils]: 2: Hoare triple {4057#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {4057#true} is VALID [2022-02-20 23:55:31,076 INFO L290 TraceCheckUtils]: 3: Hoare triple {4057#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {4057#true} is VALID [2022-02-20 23:55:31,076 INFO L290 TraceCheckUtils]: 4: Hoare triple {4057#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {4057#true} is VALID [2022-02-20 23:55:31,076 INFO L290 TraceCheckUtils]: 5: Hoare triple {4057#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4057#true} is VALID [2022-02-20 23:55:31,077 INFO L290 TraceCheckUtils]: 6: Hoare triple {4057#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {4059#(= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1)} is VALID [2022-02-20 23:55:31,078 INFO L290 TraceCheckUtils]: 7: Hoare triple {4059#(= (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_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {4060#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:31,078 INFO L290 TraceCheckUtils]: 8: Hoare triple {4060#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4060#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:31,079 INFO L290 TraceCheckUtils]: 9: Hoare triple {4060#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {4061#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} is VALID [2022-02-20 23:55:31,079 INFO L290 TraceCheckUtils]: 10: Hoare triple {4061#(= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {4062#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:55:31,079 INFO L290 TraceCheckUtils]: 11: Hoare triple {4062#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {4058#false} is VALID [2022-02-20 23:55:31,080 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 23:55:31,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:31,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520167414] [2022-02-20 23:55:31,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520167414] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:31,080 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:31,080 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:31,080 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374001575] [2022-02-20 23:55:31,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:31,081 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 23:55:31,081 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:31,081 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 23:55:31,088 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 23:55:31,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:31,089 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:31,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:31,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:31,089 INFO L87 Difference]: Start difference. First operand 216 states and 259 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 23:55:31,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:31,602 INFO L93 Difference]: Finished difference Result 222 states and 264 transitions. [2022-02-20 23:55:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:55:31,603 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 23:55:31,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:31,603 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 23:55:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 166 transitions. [2022-02-20 23:55:31,604 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 23:55:31,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 166 transitions. [2022-02-20 23:55:31,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 166 transitions. [2022-02-20 23:55:31,706 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 166 edges. 166 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:31,709 INFO L225 Difference]: With dead ends: 222 [2022-02-20 23:55:31,709 INFO L226 Difference]: Without dead ends: 222 [2022-02-20 23:55:31,710 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 23:55:31,710 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 106 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:31,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 372 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:31,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-02-20 23:55:31,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 215. [2022-02-20 23:55:31,714 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:31,714 INFO L82 GeneralOperation]: Start isEquivalent. First operand 222 states. Second operand has 215 states, 166 states have (on average 1.5481927710843373) internal successors, (257), 214 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,714 INFO L74 IsIncluded]: Start isIncluded. First operand 222 states. Second operand has 215 states, 166 states have (on average 1.5481927710843373) internal successors, (257), 214 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,715 INFO L87 Difference]: Start difference. First operand 222 states. Second operand has 215 states, 166 states have (on average 1.5481927710843373) internal successors, (257), 214 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:31,719 INFO L93 Difference]: Finished difference Result 222 states and 264 transitions. [2022-02-20 23:55:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 264 transitions. [2022-02-20 23:55:31,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:31,719 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:31,720 INFO L74 IsIncluded]: Start isIncluded. First operand has 215 states, 166 states have (on average 1.5481927710843373) internal successors, (257), 214 states have internal predecessors, (257), 0 states have call successors, (0), 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 222 states. [2022-02-20 23:55:31,720 INFO L87 Difference]: Start difference. First operand has 215 states, 166 states have (on average 1.5481927710843373) internal successors, (257), 214 states have internal predecessors, (257), 0 states have call successors, (0), 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 222 states. [2022-02-20 23:55:31,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:31,725 INFO L93 Difference]: Finished difference Result 222 states and 264 transitions. [2022-02-20 23:55:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 264 transitions. [2022-02-20 23:55:31,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:31,725 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:31,725 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:31,725 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:31,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 166 states have (on average 1.5481927710843373) internal successors, (257), 214 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 257 transitions. [2022-02-20 23:55:31,729 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 257 transitions. Word has length 12 [2022-02-20 23:55:31,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:31,730 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 257 transitions. [2022-02-20 23:55:31,730 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 23:55:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 257 transitions. [2022-02-20 23:55:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-20 23:55:31,730 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:31,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:55:31,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:55:31,731 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:31,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:31,731 INFO L85 PathProgramCache]: Analyzing trace with hash 467003056, now seen corresponding path program 1 times [2022-02-20 23:55:31,731 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:31,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124830146] [2022-02-20 23:55:31,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:31,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:31,794 INFO L290 TraceCheckUtils]: 0: Hoare triple {4954#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(15, 2); {4954#true} is VALID [2022-02-20 23:55:31,794 INFO L290 TraceCheckUtils]: 1: Hoare triple {4954#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {4954#true} is VALID [2022-02-20 23:55:31,795 INFO L290 TraceCheckUtils]: 2: Hoare triple {4954#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {4954#true} is VALID [2022-02-20 23:55:31,795 INFO L290 TraceCheckUtils]: 3: Hoare triple {4954#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {4954#true} is VALID [2022-02-20 23:55:31,795 INFO L290 TraceCheckUtils]: 4: Hoare triple {4954#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {4954#true} is VALID [2022-02-20 23:55:31,795 INFO L290 TraceCheckUtils]: 5: Hoare triple {4954#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4954#true} is VALID [2022-02-20 23:55:31,795 INFO L290 TraceCheckUtils]: 6: Hoare triple {4954#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {4956#(and (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} is VALID [2022-02-20 23:55:31,796 INFO L290 TraceCheckUtils]: 7: Hoare triple {4956#(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_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {4957#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:31,797 INFO L290 TraceCheckUtils]: 8: Hoare triple {4957#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {4957#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:31,797 INFO L290 TraceCheckUtils]: 9: Hoare triple {4957#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {4958#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} is VALID [2022-02-20 23:55:31,798 INFO L290 TraceCheckUtils]: 10: Hoare triple {4958#(and (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {4959#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:55:31,798 INFO L290 TraceCheckUtils]: 11: Hoare triple {4959#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !(4 + main_~x~0#1.offset <= #length[main_~x~0#1.base] && 0 <= main_~x~0#1.offset); {4955#false} is VALID [2022-02-20 23:55:31,798 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 23:55:31,798 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:31,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124830146] [2022-02-20 23:55:31,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124830146] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:31,799 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:31,799 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:55:31,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305192673] [2022-02-20 23:55:31,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:31,800 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 23:55:31,800 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:31,800 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 23:55:31,808 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 23:55:31,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:55:31,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:31,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:55:31,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:55:31,816 INFO L87 Difference]: Start difference. First operand 215 states and 257 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 23:55:32,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:32,388 INFO L93 Difference]: Finished difference Result 211 states and 250 transitions. [2022-02-20 23:55:32,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:55:32,388 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 23:55:32,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:32,388 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 23:55:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 159 transitions. [2022-02-20 23:55:32,390 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 23:55:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 159 transitions. [2022-02-20 23:55:32,391 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 159 transitions. [2022-02-20 23:55:32,481 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:32,484 INFO L225 Difference]: With dead ends: 211 [2022-02-20 23:55:32,484 INFO L226 Difference]: Without dead ends: 211 [2022-02-20 23:55:32,485 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 23:55:32,485 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 15 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:32,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 456 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:55:32,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-02-20 23:55:32,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 205. [2022-02-20 23:55:32,488 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:32,488 INFO L82 GeneralOperation]: Start isEquivalent. First operand 211 states. Second operand has 205 states, 161 states have (on average 1.515527950310559) internal successors, (244), 204 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,489 INFO L74 IsIncluded]: Start isIncluded. First operand 211 states. Second operand has 205 states, 161 states have (on average 1.515527950310559) internal successors, (244), 204 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,489 INFO L87 Difference]: Start difference. First operand 211 states. Second operand has 205 states, 161 states have (on average 1.515527950310559) internal successors, (244), 204 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:32,492 INFO L93 Difference]: Finished difference Result 211 states and 250 transitions. [2022-02-20 23:55:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 250 transitions. [2022-02-20 23:55:32,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:32,493 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:32,493 INFO L74 IsIncluded]: Start isIncluded. First operand has 205 states, 161 states have (on average 1.515527950310559) internal successors, (244), 204 states have internal predecessors, (244), 0 states have call successors, (0), 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 211 states. [2022-02-20 23:55:32,493 INFO L87 Difference]: Start difference. First operand has 205 states, 161 states have (on average 1.515527950310559) internal successors, (244), 204 states have internal predecessors, (244), 0 states have call successors, (0), 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 211 states. [2022-02-20 23:55:32,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:32,496 INFO L93 Difference]: Finished difference Result 211 states and 250 transitions. [2022-02-20 23:55:32,496 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 250 transitions. [2022-02-20 23:55:32,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:32,497 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:32,497 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:32,497 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 161 states have (on average 1.515527950310559) internal successors, (244), 204 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 244 transitions. [2022-02-20 23:55:32,500 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 244 transitions. Word has length 12 [2022-02-20 23:55:32,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:32,500 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 244 transitions. [2022-02-20 23:55:32,500 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 23:55:32,501 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 244 transitions. [2022-02-20 23:55:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:55:32,501 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:32,501 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] [2022-02-20 23:55:32,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:55:32,501 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:32,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:32,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1270421215, now seen corresponding path program 1 times [2022-02-20 23:55:32,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:32,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530441818] [2022-02-20 23:55:32,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:32,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:32,547 INFO L290 TraceCheckUtils]: 0: Hoare triple {5812#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(15, 2); {5812#true} is VALID [2022-02-20 23:55:32,548 INFO L290 TraceCheckUtils]: 1: Hoare triple {5812#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,548 INFO L290 TraceCheckUtils]: 2: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,548 INFO L290 TraceCheckUtils]: 3: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,549 INFO L290 TraceCheckUtils]: 4: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,549 INFO L290 TraceCheckUtils]: 5: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,564 INFO L290 TraceCheckUtils]: 6: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,564 INFO L290 TraceCheckUtils]: 7: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,565 INFO L290 TraceCheckUtils]: 8: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,565 INFO L290 TraceCheckUtils]: 9: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,565 INFO L290 TraceCheckUtils]: 10: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,566 INFO L290 TraceCheckUtils]: 11: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,566 INFO L290 TraceCheckUtils]: 12: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,566 INFO L290 TraceCheckUtils]: 13: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,567 INFO L290 TraceCheckUtils]: 14: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume 0 != main_~marked~0#1; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,567 INFO L290 TraceCheckUtils]: 15: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,567 INFO L290 TraceCheckUtils]: 16: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,567 INFO L290 TraceCheckUtils]: 17: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 23:55:32,568 INFO L290 TraceCheckUtils]: 18: Hoare triple {5814#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5815#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 23:55:32,568 INFO L290 TraceCheckUtils]: 19: Hoare triple {5815#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {5813#false} is VALID [2022-02-20 23:55:32,569 INFO L290 TraceCheckUtils]: 20: Hoare triple {5813#false} assume !false; {5813#false} is VALID [2022-02-20 23:55:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:55:32,569 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:32,569 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530441818] [2022-02-20 23:55:32,569 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530441818] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:32,570 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:32,570 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:55:32,570 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638067391] [2022-02-20 23:55:32,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:32,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 21 [2022-02-20 23:55:32,571 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:32,571 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 23:55:32,582 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 23:55:32,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:55:32,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:32,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:55:32,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:55:32,583 INFO L87 Difference]: Start difference. First operand 205 states and 244 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 23:55:32,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:32,832 INFO L93 Difference]: Finished difference Result 237 states and 260 transitions. [2022-02-20 23:55:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:55:32,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 21 [2022-02-20 23:55:32,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 23:55:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 244 transitions. [2022-02-20 23:55:32,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 23:55:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 244 transitions. [2022-02-20 23:55:32,835 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 244 transitions. [2022-02-20 23:55:32,976 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 244 edges. 244 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:32,979 INFO L225 Difference]: With dead ends: 237 [2022-02-20 23:55:32,979 INFO L226 Difference]: Without dead ends: 237 [2022-02-20 23:55:32,979 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 23:55:32,979 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 283 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:32,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 196 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:55:32,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2022-02-20 23:55:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 203. [2022-02-20 23:55:32,982 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:32,983 INFO L82 GeneralOperation]: Start isEquivalent. First operand 237 states. Second operand has 203 states, 160 states have (on average 1.5) internal successors, (240), 202 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,983 INFO L74 IsIncluded]: Start isIncluded. First operand 237 states. Second operand has 203 states, 160 states have (on average 1.5) internal successors, (240), 202 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,983 INFO L87 Difference]: Start difference. First operand 237 states. Second operand has 203 states, 160 states have (on average 1.5) internal successors, (240), 202 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:32,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:32,987 INFO L93 Difference]: Finished difference Result 237 states and 260 transitions. [2022-02-20 23:55:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 260 transitions. [2022-02-20 23:55:32,989 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:32,989 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:32,989 INFO L74 IsIncluded]: Start isIncluded. First operand has 203 states, 160 states have (on average 1.5) internal successors, (240), 202 states have internal predecessors, (240), 0 states have call successors, (0), 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 237 states. [2022-02-20 23:55:32,995 INFO L87 Difference]: Start difference. First operand has 203 states, 160 states have (on average 1.5) internal successors, (240), 202 states have internal predecessors, (240), 0 states have call successors, (0), 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 237 states. [2022-02-20 23:55:32,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:32,998 INFO L93 Difference]: Finished difference Result 237 states and 260 transitions. [2022-02-20 23:55:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 260 transitions. [2022-02-20 23:55:32,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:32,999 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:32,999 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:32,999 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 160 states have (on average 1.5) internal successors, (240), 202 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 240 transitions. [2022-02-20 23:55:33,004 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 240 transitions. Word has length 21 [2022-02-20 23:55:33,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:33,004 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 240 transitions. [2022-02-20 23:55:33,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 23:55:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 240 transitions. [2022-02-20 23:55:33,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:55:33,005 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:33,005 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] [2022-02-20 23:55:33,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:55:33,005 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:33,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:33,006 INFO L85 PathProgramCache]: Analyzing trace with hash -697189136, now seen corresponding path program 1 times [2022-02-20 23:55:33,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:33,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927649687] [2022-02-20 23:55:33,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:33,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:33,184 INFO L290 TraceCheckUtils]: 0: Hoare triple {6734#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(15, 2); {6734#true} is VALID [2022-02-20 23:55:33,185 INFO L290 TraceCheckUtils]: 1: Hoare triple {6734#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {6734#true} is VALID [2022-02-20 23:55:33,186 INFO L290 TraceCheckUtils]: 2: Hoare triple {6734#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {6736#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:33,186 INFO L290 TraceCheckUtils]: 3: Hoare triple {6736#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {6736#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:33,186 INFO L290 TraceCheckUtils]: 4: Hoare triple {6736#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {6737#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:33,187 INFO L290 TraceCheckUtils]: 5: Hoare triple {6737#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6737#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:33,188 INFO L290 TraceCheckUtils]: 6: Hoare triple {6737#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {6738#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:55:33,188 INFO L290 TraceCheckUtils]: 7: Hoare triple {6738#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {6739#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:33,189 INFO L290 TraceCheckUtils]: 8: Hoare triple {6739#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6739#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:33,189 INFO L290 TraceCheckUtils]: 9: Hoare triple {6739#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {6740#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:33,190 INFO L290 TraceCheckUtils]: 10: Hoare triple {6740#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {6741#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:33,192 INFO L290 TraceCheckUtils]: 11: Hoare triple {6741#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {6741#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:33,192 INFO L290 TraceCheckUtils]: 12: Hoare triple {6741#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6741#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:33,193 INFO L290 TraceCheckUtils]: 13: Hoare triple {6741#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {6742#(or (and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (= |ULTIMATE.start_main_~marked~0#1| 0))} is VALID [2022-02-20 23:55:33,193 INFO L290 TraceCheckUtils]: 14: Hoare triple {6742#(or (and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)) (= |ULTIMATE.start_main_~marked~0#1| 0))} assume 0 != main_~marked~0#1; {6741#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:33,194 INFO L290 TraceCheckUtils]: 15: Hoare triple {6741#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {6743#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,194 INFO L290 TraceCheckUtils]: 16: Hoare triple {6743#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6743#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,195 INFO L290 TraceCheckUtils]: 17: Hoare triple {6743#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {6743#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,196 INFO L290 TraceCheckUtils]: 18: Hoare triple {6743#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,196 INFO L290 TraceCheckUtils]: 19: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,196 INFO L290 TraceCheckUtils]: 20: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} goto; {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,197 INFO L290 TraceCheckUtils]: 21: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} main_~marked~0#1 := 0; {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,197 INFO L290 TraceCheckUtils]: 22: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,197 INFO L290 TraceCheckUtils]: 23: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,198 INFO L290 TraceCheckUtils]: 24: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume main_#t~short9#1; {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:33,198 INFO L290 TraceCheckUtils]: 25: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {6745#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} is VALID [2022-02-20 23:55:33,198 INFO L290 TraceCheckUtils]: 26: Hoare triple {6745#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} assume !(1 == #valid[main_#t~mem7#1.base]); {6735#false} is VALID [2022-02-20 23:55:33,199 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 23:55:33,199 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:33,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927649687] [2022-02-20 23:55:33,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927649687] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:33,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103903489] [2022-02-20 23:55:33,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:33,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:33,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:33,209 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 23:55:33,244 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 23:55:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:33,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-20 23:55:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:33,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:33,370 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 23:55:33,467 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:55:33,468 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 23:55:33,579 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 23:55:33,741 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:33,741 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 23:55:33,826 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:33,827 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 23:55:34,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:34,080 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 23:55:34,140 INFO L290 TraceCheckUtils]: 0: Hoare triple {6734#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(15, 2); {6734#true} is VALID [2022-02-20 23:55:34,140 INFO L290 TraceCheckUtils]: 1: Hoare triple {6734#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {6752#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:34,141 INFO L290 TraceCheckUtils]: 2: Hoare triple {6752#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {6752#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:34,143 INFO L290 TraceCheckUtils]: 3: Hoare triple {6752#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {6752#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:34,144 INFO L290 TraceCheckUtils]: 4: Hoare triple {6752#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {6762#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:34,144 INFO L290 TraceCheckUtils]: 5: Hoare triple {6762#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6762#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:34,145 INFO L290 TraceCheckUtils]: 6: Hoare triple {6762#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {6769#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:34,146 INFO L290 TraceCheckUtils]: 7: Hoare triple {6769#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {6773#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,146 INFO L290 TraceCheckUtils]: 8: Hoare triple {6773#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6773#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,147 INFO L290 TraceCheckUtils]: 9: Hoare triple {6773#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {6780#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,147 INFO L290 TraceCheckUtils]: 10: Hoare triple {6780#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,149 INFO L290 TraceCheckUtils]: 11: Hoare triple {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,150 INFO L290 TraceCheckUtils]: 12: Hoare triple {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,150 INFO L290 TraceCheckUtils]: 13: Hoare triple {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,151 INFO L290 TraceCheckUtils]: 14: Hoare triple {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 != main_~marked~0#1; {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,152 INFO L290 TraceCheckUtils]: 15: Hoare triple {6784#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {6800#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,159 INFO L290 TraceCheckUtils]: 16: Hoare triple {6800#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6800#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,160 INFO L290 TraceCheckUtils]: 17: Hoare triple {6800#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {6800#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:34,160 INFO L290 TraceCheckUtils]: 18: Hoare triple {6800#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6810#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:55:34,161 INFO L290 TraceCheckUtils]: 19: Hoare triple {6810#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {6810#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:55:34,161 INFO L290 TraceCheckUtils]: 20: Hoare triple {6810#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} goto; {6810#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:55:34,162 INFO L290 TraceCheckUtils]: 21: Hoare triple {6810#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} main_~marked~0#1 := 0; {6810#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:55:34,162 INFO L290 TraceCheckUtils]: 22: Hoare triple {6810#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {6823#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:55:34,163 INFO L290 TraceCheckUtils]: 23: Hoare triple {6823#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {6823#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:55:34,163 INFO L290 TraceCheckUtils]: 24: Hoare triple {6823#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume main_#t~short9#1; {6823#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:55:34,164 INFO L290 TraceCheckUtils]: 25: Hoare triple {6823#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {6833#(and (= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~x~0#1.base|)))))} is VALID [2022-02-20 23:55:34,165 INFO L290 TraceCheckUtils]: 26: Hoare triple {6833#(and (= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1) (exists ((|ULTIMATE.start_main_~x~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem7#1.base| |ULTIMATE.start_main_~x~0#1.base|)))))} assume !(1 == #valid[main_#t~mem7#1.base]); {6735#false} is VALID [2022-02-20 23:55:34,165 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 23:55:34,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:35,236 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:35,237 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 23:55:35,275 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:35,275 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 23:55:35,302 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 23:55:36,740 INFO L290 TraceCheckUtils]: 26: Hoare triple {6745#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} assume !(1 == #valid[main_#t~mem7#1.base]); {6735#false} is VALID [2022-02-20 23:55:36,740 INFO L290 TraceCheckUtils]: 25: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {6745#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} is VALID [2022-02-20 23:55:36,741 INFO L290 TraceCheckUtils]: 24: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume main_#t~short9#1; {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:36,741 INFO L290 TraceCheckUtils]: 23: Hoare triple {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:36,742 INFO L290 TraceCheckUtils]: 22: Hoare triple {6849#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {6744#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:55:36,742 INFO L290 TraceCheckUtils]: 21: Hoare triple {6849#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} main_~marked~0#1 := 0; {6849#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:36,742 INFO L290 TraceCheckUtils]: 20: Hoare triple {6849#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} goto; {6849#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:36,743 INFO L290 TraceCheckUtils]: 19: Hoare triple {6849#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {6849#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:36,743 INFO L290 TraceCheckUtils]: 18: Hoare triple {6862#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6849#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:55:36,744 INFO L290 TraceCheckUtils]: 17: Hoare triple {6862#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {6862#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} is VALID [2022-02-20 23:55:36,744 INFO L290 TraceCheckUtils]: 16: Hoare triple {6862#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6862#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} is VALID [2022-02-20 23:55:36,745 INFO L290 TraceCheckUtils]: 15: Hoare triple {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {6862#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} is VALID [2022-02-20 23:55:36,746 INFO L290 TraceCheckUtils]: 14: Hoare triple {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} assume 0 != main_~marked~0#1; {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} is VALID [2022-02-20 23:55:36,746 INFO L290 TraceCheckUtils]: 13: Hoare triple {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} is VALID [2022-02-20 23:55:36,747 INFO L290 TraceCheckUtils]: 12: Hoare triple {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} is VALID [2022-02-20 23:55:36,750 WARN L290 TraceCheckUtils]: 11: Hoare triple {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} is UNKNOWN [2022-02-20 23:55:36,751 INFO L290 TraceCheckUtils]: 10: Hoare triple {6888#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {6872#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} is VALID [2022-02-20 23:55:36,752 INFO L290 TraceCheckUtils]: 9: Hoare triple {6892#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {6888#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1)))} is VALID [2022-02-20 23:55:36,752 INFO L290 TraceCheckUtils]: 8: Hoare triple {6892#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {6892#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} is VALID [2022-02-20 23:55:36,753 INFO L290 TraceCheckUtils]: 7: Hoare triple {6899#(or (forall ((v_arrayElimCell_8 Int)) (= (select |#valid| v_arrayElimCell_8) 1)) (forall ((v_arrayElimCell_7 Int)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| v_arrayElimCell_7) 1)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| v_arrayElimCell_7))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {6892#(forall ((v_ArrVal_202 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_67| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_202) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_67|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_67| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_67| 0)))} is VALID [2022-02-20 23:55:36,759 INFO L290 TraceCheckUtils]: 6: Hoare triple {6903#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {6899#(or (forall ((v_arrayElimCell_8 Int)) (= (select |#valid| v_arrayElimCell_8) 1)) (forall ((v_arrayElimCell_7 Int)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| v_arrayElimCell_7) 1)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| v_arrayElimCell_7))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))))))} is VALID [2022-02-20 23:55:36,777 INFO L290 TraceCheckUtils]: 5: Hoare triple {6903#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6903#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} is VALID [2022-02-20 23:55:36,780 INFO L290 TraceCheckUtils]: 4: Hoare triple {6910#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {6903#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} is VALID [2022-02-20 23:55:37,020 INFO L290 TraceCheckUtils]: 3: Hoare triple {6910#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {6910#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} is VALID [2022-02-20 23:55:37,079 INFO L290 TraceCheckUtils]: 2: Hoare triple {6910#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {6910#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} is VALID [2022-02-20 23:55:37,080 INFO L290 TraceCheckUtils]: 1: Hoare triple {6734#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {6910#(forall ((v_arrayElimCell_8 Int) (v_arrayElimCell_7 Int) (|v_ULTIMATE.start_main_#t~malloc3#1.base_6| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= v_arrayElimCell_7 |v_ULTIMATE.start_main_#t~malloc3#1.base_6|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (and (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_7) 1) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_6| |ULTIMATE.start_main_~head~0#1.base|))) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6| 1) v_arrayElimCell_8) 1) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_6|) 0))))} is VALID [2022-02-20 23:55:37,080 INFO L290 TraceCheckUtils]: 0: Hoare triple {6734#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(15, 2); {6734#true} is VALID [2022-02-20 23:55:37,080 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 23:55:37,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103903489] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:37,081 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:37,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 29 [2022-02-20 23:55:37,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276373653] [2022-02-20 23:55:37,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:37,081 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 30 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 27 [2022-02-20 23:55:37,082 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:37,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 30 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 23:55:45,984 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 70 inductive. 0 not inductive. 5 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:45,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-20 23:55:45,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:45,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-20 23:55:45,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=739, Unknown=7, NotChecked=0, Total=870 [2022-02-20 23:55:45,985 INFO L87 Difference]: Start difference. First operand 203 states and 240 transitions. Second operand has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 30 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 23:55:48,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:48,712 INFO L93 Difference]: Finished difference Result 428 states and 485 transitions. [2022-02-20 23:55:48,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 23:55:48,713 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 30 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 27 [2022-02-20 23:55:48,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 30 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 23:55:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 457 transitions. [2022-02-20 23:55:48,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 30 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 23:55:48,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 457 transitions. [2022-02-20 23:55:48,720 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 457 transitions. [2022-02-20 23:55:49,129 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 457 edges. 457 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:49,137 INFO L225 Difference]: With dead ends: 428 [2022-02-20 23:55:49,137 INFO L226 Difference]: Without dead ends: 428 [2022-02-20 23:55:49,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=341, Invalid=1544, Unknown=7, NotChecked=0, Total=1892 [2022-02-20 23:55:49,139 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 1307 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 894 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:49,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1307 Valid, 1133 Invalid, 1847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 858 Invalid, 0 Unknown, 894 Unchecked, 0.7s Time] [2022-02-20 23:55:49,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2022-02-20 23:55:49,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 225. [2022-02-20 23:55:49,145 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:49,146 INFO L82 GeneralOperation]: Start isEquivalent. First operand 428 states. Second operand has 225 states, 182 states have (on average 1.467032967032967) internal successors, (267), 224 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,146 INFO L74 IsIncluded]: Start isIncluded. First operand 428 states. Second operand has 225 states, 182 states have (on average 1.467032967032967) internal successors, (267), 224 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,146 INFO L87 Difference]: Start difference. First operand 428 states. Second operand has 225 states, 182 states have (on average 1.467032967032967) internal successors, (267), 224 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,154 INFO L93 Difference]: Finished difference Result 428 states and 485 transitions. [2022-02-20 23:55:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 485 transitions. [2022-02-20 23:55:49,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:49,155 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:49,155 INFO L74 IsIncluded]: Start isIncluded. First operand has 225 states, 182 states have (on average 1.467032967032967) internal successors, (267), 224 states have internal predecessors, (267), 0 states have call successors, (0), 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 428 states. [2022-02-20 23:55:49,156 INFO L87 Difference]: Start difference. First operand has 225 states, 182 states have (on average 1.467032967032967) internal successors, (267), 224 states have internal predecessors, (267), 0 states have call successors, (0), 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 428 states. [2022-02-20 23:55:49,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:49,164 INFO L93 Difference]: Finished difference Result 428 states and 485 transitions. [2022-02-20 23:55:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 485 transitions. [2022-02-20 23:55:49,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:49,165 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:49,165 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:49,165 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:49,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 182 states have (on average 1.467032967032967) internal successors, (267), 224 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:49,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 267 transitions. [2022-02-20 23:55:49,168 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 267 transitions. Word has length 27 [2022-02-20 23:55:49,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:49,169 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 267 transitions. [2022-02-20 23:55:49,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.586206896551724) internal successors, (75), 30 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 23:55:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 267 transitions. [2022-02-20 23:55:49,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 23:55:49,170 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:49,170 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] [2022-02-20 23:55:49,189 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 23:55:49,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:49,387 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:49,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:49,388 INFO L85 PathProgramCache]: Analyzing trace with hash -697189135, now seen corresponding path program 1 times [2022-02-20 23:55:49,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:49,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63988602] [2022-02-20 23:55:49,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:49,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:49,623 INFO L290 TraceCheckUtils]: 0: Hoare triple {8465#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(15, 2); {8465#true} is VALID [2022-02-20 23:55:49,624 INFO L290 TraceCheckUtils]: 1: Hoare triple {8465#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8465#true} is VALID [2022-02-20 23:55:49,624 INFO L290 TraceCheckUtils]: 2: Hoare triple {8465#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {8467#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:49,624 INFO L290 TraceCheckUtils]: 3: Hoare triple {8467#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {8467#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:55:49,625 INFO L290 TraceCheckUtils]: 4: Hoare triple {8467#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {8468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:49,625 INFO L290 TraceCheckUtils]: 5: Hoare triple {8468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:49,626 INFO L290 TraceCheckUtils]: 6: Hoare triple {8468#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {8469#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8))} is VALID [2022-02-20 23:55:49,627 INFO L290 TraceCheckUtils]: 7: Hoare triple {8469#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (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_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {8470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,627 INFO L290 TraceCheckUtils]: 8: Hoare triple {8470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {8470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,628 INFO L290 TraceCheckUtils]: 9: Hoare triple {8470#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {8471#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,629 INFO L290 TraceCheckUtils]: 10: Hoare triple {8471#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {8472#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,629 INFO L290 TraceCheckUtils]: 11: Hoare triple {8472#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {8472#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,630 INFO L290 TraceCheckUtils]: 12: Hoare triple {8472#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {8472#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,630 INFO L290 TraceCheckUtils]: 13: Hoare triple {8472#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {8473#(or (= |ULTIMATE.start_main_~marked~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} is VALID [2022-02-20 23:55:49,631 INFO L290 TraceCheckUtils]: 14: Hoare triple {8473#(or (= |ULTIMATE.start_main_~marked~0#1| 0) (and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)))} assume 0 != main_~marked~0#1; {8472#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,632 INFO L290 TraceCheckUtils]: 15: Hoare triple {8472#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {8474#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,632 INFO L290 TraceCheckUtils]: 16: Hoare triple {8474#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8474#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,633 INFO L290 TraceCheckUtils]: 17: Hoare triple {8474#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {8474#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:49,633 INFO L290 TraceCheckUtils]: 18: Hoare triple {8474#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,634 INFO L290 TraceCheckUtils]: 19: Hoare triple {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,634 INFO L290 TraceCheckUtils]: 20: Hoare triple {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} goto; {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,635 INFO L290 TraceCheckUtils]: 21: Hoare triple {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} main_~marked~0#1 := 0; {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,636 INFO L290 TraceCheckUtils]: 22: Hoare triple {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,636 INFO L290 TraceCheckUtils]: 23: Hoare triple {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,637 INFO L290 TraceCheckUtils]: 24: Hoare triple {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} assume main_#t~short9#1; {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} is VALID [2022-02-20 23:55:49,637 INFO L290 TraceCheckUtils]: 25: Hoare triple {8475#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {8476#(and (= (+ (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} is VALID [2022-02-20 23:55:49,638 INFO L290 TraceCheckUtils]: 26: Hoare triple {8476#(and (= (+ (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} assume !(4 + (4 + main_#t~mem7#1.offset) <= #length[main_#t~mem7#1.base] && 0 <= 4 + main_#t~mem7#1.offset); {8466#false} is VALID [2022-02-20 23:55:49,638 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 23:55:49,638 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:49,638 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63988602] [2022-02-20 23:55:49,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63988602] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:49,639 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085521053] [2022-02-20 23:55:49,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:49,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:49,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:49,641 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 23:55:49,642 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 23:55:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:49,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-20 23:55:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:49,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:49,740 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 23:55:49,826 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 23:55:49,835 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:49,836 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 23:55:49,888 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 23:55:49,899 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 23:55:50,057 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:55:50,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 23:55:50,065 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 23:55:50,080 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:50,081 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 23:55:50,175 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:55:50,176 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 23:55:50,180 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 23:55:50,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:50,471 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 23:55:50,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:50,498 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:50,498 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 23:55:50,535 INFO L290 TraceCheckUtils]: 0: Hoare triple {8465#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(15, 2); {8465#true} is VALID [2022-02-20 23:55:50,536 INFO L290 TraceCheckUtils]: 1: Hoare triple {8465#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8483#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,536 INFO L290 TraceCheckUtils]: 2: Hoare triple {8483#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {8483#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,537 INFO L290 TraceCheckUtils]: 3: Hoare triple {8483#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {8483#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,537 INFO L290 TraceCheckUtils]: 4: Hoare triple {8483#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {8493#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,538 INFO L290 TraceCheckUtils]: 5: Hoare triple {8493#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8493#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:50,539 INFO L290 TraceCheckUtils]: 6: Hoare triple {8493#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {8500#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|)))} is VALID [2022-02-20 23:55:50,539 INFO L290 TraceCheckUtils]: 7: Hoare triple {8500#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~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_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {8504#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,540 INFO L290 TraceCheckUtils]: 8: Hoare triple {8504#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {8504#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,540 INFO L290 TraceCheckUtils]: 9: Hoare triple {8504#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {8511#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,541 INFO L290 TraceCheckUtils]: 10: Hoare triple {8511#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,542 INFO L290 TraceCheckUtils]: 11: Hoare triple {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,542 INFO L290 TraceCheckUtils]: 12: Hoare triple {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,543 INFO L290 TraceCheckUtils]: 13: Hoare triple {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,543 INFO L290 TraceCheckUtils]: 14: Hoare triple {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_~marked~0#1; {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,544 INFO L290 TraceCheckUtils]: 15: Hoare triple {8515#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {8531#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,545 INFO L290 TraceCheckUtils]: 16: Hoare triple {8531#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8531#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,545 INFO L290 TraceCheckUtils]: 17: Hoare triple {8531#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {8531#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:50,546 INFO L290 TraceCheckUtils]: 18: Hoare triple {8531#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8541#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:50,546 INFO L290 TraceCheckUtils]: 19: Hoare triple {8541#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {8541#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:50,550 INFO L290 TraceCheckUtils]: 20: Hoare triple {8541#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} goto; {8541#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:50,551 INFO L290 TraceCheckUtils]: 21: Hoare triple {8541#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_~marked~0#1 := 0; {8541#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:50,551 INFO L290 TraceCheckUtils]: 22: Hoare triple {8541#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {8554#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:50,552 INFO L290 TraceCheckUtils]: 23: Hoare triple {8554#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {8554#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:50,552 INFO L290 TraceCheckUtils]: 24: Hoare triple {8554#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume main_#t~short9#1; {8554#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:55:50,553 INFO L290 TraceCheckUtils]: 25: Hoare triple {8554#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {8564#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} is VALID [2022-02-20 23:55:50,553 INFO L290 TraceCheckUtils]: 26: Hoare triple {8564#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} assume !(4 + (4 + main_#t~mem7#1.offset) <= #length[main_#t~mem7#1.base] && 0 <= 4 + main_#t~mem7#1.offset); {8466#false} is VALID [2022-02-20 23:55:50,553 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 23:55:50,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:52,279 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:52,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 23:55:52,294 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:52,294 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 23:55:52,315 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:52,315 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 23:55:52,345 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:52,346 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 23:55:52,384 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 23:55:52,406 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 23:55:52,426 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 23:55:53,118 INFO L290 TraceCheckUtils]: 26: Hoare triple {8568#(and (<= 0 (+ |ULTIMATE.start_main_#t~mem7#1.offset| 4)) (<= (+ |ULTIMATE.start_main_#t~mem7#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)))} assume !(4 + (4 + main_#t~mem7#1.offset) <= #length[main_#t~mem7#1.base] && 0 <= 4 + main_#t~mem7#1.offset); {8466#false} is VALID [2022-02-20 23:55:53,119 INFO L290 TraceCheckUtils]: 25: Hoare triple {8572#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {8568#(and (<= 0 (+ |ULTIMATE.start_main_#t~mem7#1.offset| 4)) (<= (+ |ULTIMATE.start_main_#t~mem7#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)))} is VALID [2022-02-20 23:55:53,119 INFO L290 TraceCheckUtils]: 24: Hoare triple {8572#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume main_#t~short9#1; {8572#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:53,120 INFO L290 TraceCheckUtils]: 23: Hoare triple {8572#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {8572#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:53,120 INFO L290 TraceCheckUtils]: 22: Hoare triple {8582#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {8572#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:55:53,121 INFO L290 TraceCheckUtils]: 21: Hoare triple {8582#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} main_~marked~0#1 := 0; {8582#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:53,121 INFO L290 TraceCheckUtils]: 20: Hoare triple {8582#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} goto; {8582#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:53,122 INFO L290 TraceCheckUtils]: 19: Hoare triple {8582#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {8582#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:53,123 INFO L290 TraceCheckUtils]: 18: Hoare triple {8595#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {8582#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))))} is VALID [2022-02-20 23:55:53,123 INFO L290 TraceCheckUtils]: 17: Hoare triple {8595#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {8595#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,124 INFO L290 TraceCheckUtils]: 16: Hoare triple {8595#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8595#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,135 INFO L290 TraceCheckUtils]: 15: Hoare triple {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {8595#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))) (<= 0 (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,136 INFO L290 TraceCheckUtils]: 14: Hoare triple {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} assume 0 != main_~marked~0#1; {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,136 INFO L290 TraceCheckUtils]: 13: Hoare triple {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,137 INFO L290 TraceCheckUtils]: 12: Hoare triple {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,145 WARN L290 TraceCheckUtils]: 11: Hoare triple {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is UNKNOWN [2022-02-20 23:55:53,146 INFO L290 TraceCheckUtils]: 10: Hoare triple {8621#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {8605#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,147 INFO L290 TraceCheckUtils]: 9: Hoare triple {8625#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4))) (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {8621#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|)))) (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4)))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,148 INFO L290 TraceCheckUtils]: 8: Hoare triple {8625#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4))) (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {8625#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4))) (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,149 INFO L290 TraceCheckUtils]: 7: Hoare triple {8632#(and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4))) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~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_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {8625#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_71| Int)) (or (and (forall ((v_ArrVal_279 (Array Int Int))) (<= 0 (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 4))) (forall ((v_ArrVal_280 (Array Int Int)) (v_ArrVal_279 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_279) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|) 8) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_280) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_71|))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_71| |ULTIMATE.start_main_~head~0#1.offset|)) (< |v_ULTIMATE.start_main_~x~0#1.offset_71| 0)))} is VALID [2022-02-20 23:55:53,150 INFO L290 TraceCheckUtils]: 6: Hoare triple {8636#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {8632#(and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 (+ |ULTIMATE.start_main_#t~malloc3#1.offset| 4))) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~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_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:53,151 INFO L290 TraceCheckUtils]: 5: Hoare triple {8636#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {8636#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:55:53,152 INFO L290 TraceCheckUtils]: 4: Hoare triple {8643#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {8636#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:55:53,152 INFO L290 TraceCheckUtils]: 3: Hoare triple {8643#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {8643#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} is VALID [2022-02-20 23:55:53,153 INFO L290 TraceCheckUtils]: 2: Hoare triple {8643#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {8643#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} is VALID [2022-02-20 23:55:53,154 INFO L290 TraceCheckUtils]: 1: Hoare triple {8465#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {8643#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_9| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_9|) 0)) (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_9| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)))))} is VALID [2022-02-20 23:55:53,154 INFO L290 TraceCheckUtils]: 0: Hoare triple {8465#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(15, 2); {8465#true} is VALID [2022-02-20 23:55:53,154 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 23:55:53,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085521053] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:55:53,155 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:55:53,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2022-02-20 23:55:53,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146860940] [2022-02-20 23:55:53,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:55:53,155 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 23:55:53,155 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:53,156 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 32 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:53,236 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 78 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:53,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-20 23:55:53,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:53,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-20 23:55:53,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=884, Unknown=6, NotChecked=0, Total=992 [2022-02-20 23:55:53,237 INFO L87 Difference]: Start difference. First operand 225 states and 267 transitions. Second operand has 32 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:57,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:57,212 INFO L93 Difference]: Finished difference Result 427 states and 484 transitions. [2022-02-20 23:55:57,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-20 23:55:57,212 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-02-20 23:55:57,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:57,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:57,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 462 transitions. [2022-02-20 23:55:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 462 transitions. [2022-02-20 23:55:57,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 462 transitions. [2022-02-20 23:55:57,599 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 462 edges. 462 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:57,606 INFO L225 Difference]: With dead ends: 427 [2022-02-20 23:55:57,606 INFO L226 Difference]: Without dead ends: 427 [2022-02-20 23:55:57,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=377, Invalid=2067, Unknown=6, NotChecked=0, Total=2450 [2022-02-20 23:55:57,607 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 1107 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 2355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 837 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:57,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1107 Valid, 1447 Invalid, 2355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1427 Invalid, 0 Unknown, 837 Unchecked, 1.2s Time] [2022-02-20 23:55:57,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-02-20 23:55:57,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 225. [2022-02-20 23:55:57,610 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:57,611 INFO L82 GeneralOperation]: Start isEquivalent. First operand 427 states. Second operand has 225 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 224 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:57,611 INFO L74 IsIncluded]: Start isIncluded. First operand 427 states. Second operand has 225 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 224 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:57,611 INFO L87 Difference]: Start difference. First operand 427 states. Second operand has 225 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 224 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:57,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:57,620 INFO L93 Difference]: Finished difference Result 427 states and 484 transitions. [2022-02-20 23:55:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 484 transitions. [2022-02-20 23:55:57,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:57,621 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:57,621 INFO L74 IsIncluded]: Start isIncluded. First operand has 225 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 224 states have internal predecessors, (266), 0 states have call successors, (0), 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 427 states. [2022-02-20 23:55:57,622 INFO L87 Difference]: Start difference. First operand has 225 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 224 states have internal predecessors, (266), 0 states have call successors, (0), 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 427 states. [2022-02-20 23:55:57,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:57,629 INFO L93 Difference]: Finished difference Result 427 states and 484 transitions. [2022-02-20 23:55:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 484 transitions. [2022-02-20 23:55:57,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:57,630 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:57,630 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:57,630 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:57,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 224 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 266 transitions. [2022-02-20 23:55:57,634 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 266 transitions. Word has length 27 [2022-02-20 23:55:57,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:57,634 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 266 transitions. [2022-02-20 23:55:57,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 32 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 266 transitions. [2022-02-20 23:55:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:55:57,635 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:57,635 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 23:55:57,654 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 23:55:57,851 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,SelfDestructingSolverStorable9 [2022-02-20 23:55:57,851 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:57,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:57,851 INFO L85 PathProgramCache]: Analyzing trace with hash 24884122, now seen corresponding path program 1 times [2022-02-20 23:55:57,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:57,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083096523] [2022-02-20 23:55:57,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:57,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:57,900 INFO L290 TraceCheckUtils]: 0: Hoare triple {10208#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(15, 2); {10208#true} is VALID [2022-02-20 23:55:57,901 INFO L290 TraceCheckUtils]: 1: Hoare triple {10208#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {10208#true} is VALID [2022-02-20 23:55:57,901 INFO L290 TraceCheckUtils]: 2: Hoare triple {10208#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {10208#true} is VALID [2022-02-20 23:55:57,901 INFO L290 TraceCheckUtils]: 3: Hoare triple {10208#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {10208#true} is VALID [2022-02-20 23:55:57,905 INFO L290 TraceCheckUtils]: 4: Hoare triple {10208#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {10208#true} is VALID [2022-02-20 23:55:57,905 INFO L290 TraceCheckUtils]: 5: Hoare triple {10208#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10208#true} is VALID [2022-02-20 23:55:57,905 INFO L290 TraceCheckUtils]: 6: Hoare triple {10208#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {10208#true} is VALID [2022-02-20 23:55:57,906 INFO L290 TraceCheckUtils]: 7: Hoare triple {10208#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {10208#true} is VALID [2022-02-20 23:55:57,906 INFO L290 TraceCheckUtils]: 8: Hoare triple {10208#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {10208#true} is VALID [2022-02-20 23:55:57,908 INFO L290 TraceCheckUtils]: 9: Hoare triple {10208#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {10208#true} is VALID [2022-02-20 23:55:57,908 INFO L290 TraceCheckUtils]: 10: Hoare triple {10208#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {10208#true} is VALID [2022-02-20 23:55:57,908 INFO L290 TraceCheckUtils]: 11: Hoare triple {10208#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {10208#true} is VALID [2022-02-20 23:55:57,908 INFO L290 TraceCheckUtils]: 12: Hoare triple {10208#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {10208#true} is VALID [2022-02-20 23:55:57,908 INFO L290 TraceCheckUtils]: 13: Hoare triple {10208#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {10208#true} is VALID [2022-02-20 23:55:57,909 INFO L290 TraceCheckUtils]: 14: Hoare triple {10208#true} assume 0 != main_~marked~0#1; {10208#true} is VALID [2022-02-20 23:55:57,909 INFO L290 TraceCheckUtils]: 15: Hoare triple {10208#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {10208#true} is VALID [2022-02-20 23:55:57,909 INFO L290 TraceCheckUtils]: 16: Hoare triple {10208#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {10208#true} is VALID [2022-02-20 23:55:57,911 INFO L290 TraceCheckUtils]: 17: Hoare triple {10208#true} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {10208#true} is VALID [2022-02-20 23:55:57,911 INFO L290 TraceCheckUtils]: 18: Hoare triple {10208#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {10208#true} is VALID [2022-02-20 23:55:57,912 INFO L290 TraceCheckUtils]: 19: Hoare triple {10208#true} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {10208#true} is VALID [2022-02-20 23:55:57,912 INFO L290 TraceCheckUtils]: 20: Hoare triple {10208#true} goto; {10208#true} is VALID [2022-02-20 23:55:57,912 INFO L290 TraceCheckUtils]: 21: Hoare triple {10208#true} main_~marked~0#1 := 0; {10208#true} is VALID [2022-02-20 23:55:57,912 INFO L290 TraceCheckUtils]: 22: Hoare triple {10208#true} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {10208#true} is VALID [2022-02-20 23:55:57,912 INFO L290 TraceCheckUtils]: 23: Hoare triple {10208#true} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {10208#true} is VALID [2022-02-20 23:55:57,913 INFO L290 TraceCheckUtils]: 24: Hoare triple {10208#true} assume !main_#t~short9#1; {10210#(not |ULTIMATE.start_main_#t~short9#1|)} is VALID [2022-02-20 23:55:57,913 INFO L290 TraceCheckUtils]: 25: Hoare triple {10210#(not |ULTIMATE.start_main_#t~short9#1|)} assume !!main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {10209#false} is VALID [2022-02-20 23:55:57,913 INFO L290 TraceCheckUtils]: 26: Hoare triple {10209#false} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1029-5 {10209#false} is VALID [2022-02-20 23:55:57,913 INFO L290 TraceCheckUtils]: 27: Hoare triple {10209#false} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {10209#false} is VALID [2022-02-20 23:55:57,913 INFO L290 TraceCheckUtils]: 28: Hoare triple {10209#false} assume !false; {10209#false} is VALID [2022-02-20 23:55:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:55:57,914 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:57,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083096523] [2022-02-20 23:55:57,914 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083096523] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:55:57,914 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:55:57,914 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:55:57,914 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075570997] [2022-02-20 23:55:57,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:55:57,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 29 [2022-02-20 23:55:57,916 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:55:57,916 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 23:55:57,931 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 23:55:57,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:55:57,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:55:57,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:55:57,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:55:57,932 INFO L87 Difference]: Start difference. First operand 225 states and 266 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 23:55:58,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,034 INFO L93 Difference]: Finished difference Result 227 states and 268 transitions. [2022-02-20 23:55:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:55:58,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 29 [2022-02-20 23:55:58,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:55:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 23:55:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2022-02-20 23:55:58,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 23:55:58,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2022-02-20 23:55:58,037 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 148 transitions. [2022-02-20 23:55:58,119 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 148 edges. 148 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:55:58,121 INFO L225 Difference]: With dead ends: 227 [2022-02-20 23:55:58,121 INFO L226 Difference]: Without dead ends: 227 [2022-02-20 23:55:58,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 23:55:58,122 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:55:58,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:55:58,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-02-20 23:55:58,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2022-02-20 23:55:58,125 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:55:58,125 INFO L82 GeneralOperation]: Start isEquivalent. First operand 227 states. Second operand has 227 states, 184 states have (on average 1.4565217391304348) internal successors, (268), 226 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,125 INFO L74 IsIncluded]: Start isIncluded. First operand 227 states. Second operand has 227 states, 184 states have (on average 1.4565217391304348) internal successors, (268), 226 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,125 INFO L87 Difference]: Start difference. First operand 227 states. Second operand has 227 states, 184 states have (on average 1.4565217391304348) internal successors, (268), 226 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,129 INFO L93 Difference]: Finished difference Result 227 states and 268 transitions. [2022-02-20 23:55:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 268 transitions. [2022-02-20 23:55:58,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:58,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:58,129 INFO L74 IsIncluded]: Start isIncluded. First operand has 227 states, 184 states have (on average 1.4565217391304348) internal successors, (268), 226 states have internal predecessors, (268), 0 states have call successors, (0), 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 227 states. [2022-02-20 23:55:58,130 INFO L87 Difference]: Start difference. First operand has 227 states, 184 states have (on average 1.4565217391304348) internal successors, (268), 226 states have internal predecessors, (268), 0 states have call successors, (0), 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 227 states. [2022-02-20 23:55:58,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:55:58,132 INFO L93 Difference]: Finished difference Result 227 states and 268 transitions. [2022-02-20 23:55:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 268 transitions. [2022-02-20 23:55:58,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:55:58,133 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:55:58,133 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:55:58,133 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:55:58,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 184 states have (on average 1.4565217391304348) internal successors, (268), 226 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:55:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 268 transitions. [2022-02-20 23:55:58,136 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 268 transitions. Word has length 29 [2022-02-20 23:55:58,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:55:58,136 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 268 transitions. [2022-02-20 23:55:58,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 23:55:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 268 transitions. [2022-02-20 23:55:58,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 23:55:58,139 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:55:58,139 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, 1, 1] [2022-02-20 23:55:58,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:55:58,139 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:55:58,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:55:58,139 INFO L85 PathProgramCache]: Analyzing trace with hash -197370768, now seen corresponding path program 1 times [2022-02-20 23:55:58,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:55:58,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206198871] [2022-02-20 23:55:58,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:58,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:55:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:58,485 INFO L290 TraceCheckUtils]: 0: Hoare triple {11121#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(15, 2); {11121#true} is VALID [2022-02-20 23:55:58,486 INFO L290 TraceCheckUtils]: 1: Hoare triple {11121#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {11123#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:55:58,487 INFO L290 TraceCheckUtils]: 2: Hoare triple {11123#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {11124#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:58,487 INFO L290 TraceCheckUtils]: 3: Hoare triple {11124#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {11124#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:58,488 INFO L290 TraceCheckUtils]: 4: Hoare triple {11124#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {11125#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:58,489 INFO L290 TraceCheckUtils]: 5: Hoare triple {11125#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11125#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:58,489 INFO L290 TraceCheckUtils]: 6: Hoare triple {11125#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {11126#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:58,490 INFO L290 TraceCheckUtils]: 7: Hoare triple {11126#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {11127#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,491 INFO L290 TraceCheckUtils]: 8: Hoare triple {11127#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11127#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,491 INFO L290 TraceCheckUtils]: 9: Hoare triple {11127#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {11128#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,492 INFO L290 TraceCheckUtils]: 10: Hoare triple {11128#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11129#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,493 INFO L290 TraceCheckUtils]: 11: Hoare triple {11129#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {11129#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,494 INFO L290 TraceCheckUtils]: 12: Hoare triple {11129#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {11129#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,494 INFO L290 TraceCheckUtils]: 13: Hoare triple {11129#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {11130#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= |ULTIMATE.start_main_~marked~0#1| 0) (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~marked~0#1| 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} is VALID [2022-02-20 23:55:58,495 INFO L290 TraceCheckUtils]: 14: Hoare triple {11130#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= |ULTIMATE.start_main_~marked~0#1| 0) (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~marked~0#1| 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))))} assume 0 != main_~marked~0#1; {11129#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,496 INFO L290 TraceCheckUtils]: 15: Hoare triple {11129#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {11131#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,496 INFO L290 TraceCheckUtils]: 16: Hoare triple {11131#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11131#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,497 INFO L290 TraceCheckUtils]: 17: Hoare triple {11131#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {11131#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,497 INFO L290 TraceCheckUtils]: 18: Hoare triple {11131#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,498 INFO L290 TraceCheckUtils]: 19: Hoare triple {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,498 INFO L290 TraceCheckUtils]: 20: Hoare triple {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,499 INFO L290 TraceCheckUtils]: 21: Hoare triple {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_~marked~0#1 := 0; {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,499 INFO L290 TraceCheckUtils]: 22: Hoare triple {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,500 INFO L290 TraceCheckUtils]: 23: Hoare triple {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,500 INFO L290 TraceCheckUtils]: 24: Hoare triple {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short9#1; {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:55:58,500 INFO L290 TraceCheckUtils]: 25: Hoare triple {11132#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {11133#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem7#1.base|) (+ |ULTIMATE.start_main_#t~mem7#1.offset| 4)) 0)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} is VALID [2022-02-20 23:55:58,501 INFO L290 TraceCheckUtils]: 26: Hoare triple {11133#(and (not (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem7#1.base|) (+ |ULTIMATE.start_main_#t~mem7#1.offset| 4)) 0)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4); srcloc: L1027-4 {11134#(not (= |ULTIMATE.start_main_#t~mem8#1| 0))} is VALID [2022-02-20 23:55:58,501 INFO L290 TraceCheckUtils]: 27: Hoare triple {11134#(not (= |ULTIMATE.start_main_#t~mem8#1| 0))} main_#t~short9#1 := 0 == main_#t~mem8#1; {11135#(not |ULTIMATE.start_main_#t~short9#1|)} is VALID [2022-02-20 23:55:58,502 INFO L290 TraceCheckUtils]: 28: Hoare triple {11135#(not |ULTIMATE.start_main_#t~short9#1|)} assume !!main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {11122#false} is VALID [2022-02-20 23:55:58,502 INFO L290 TraceCheckUtils]: 29: Hoare triple {11122#false} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1029-5 {11122#false} is VALID [2022-02-20 23:55:58,502 INFO L290 TraceCheckUtils]: 30: Hoare triple {11122#false} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {11122#false} is VALID [2022-02-20 23:55:58,502 INFO L290 TraceCheckUtils]: 31: Hoare triple {11122#false} assume !false; {11122#false} is VALID [2022-02-20 23:55:58,502 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 23:55:58,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:55:58,502 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206198871] [2022-02-20 23:55:58,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206198871] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:55:58,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824316904] [2022-02-20 23:55:58,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:55:58,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:55:58,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:55:58,504 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 23:55:58,505 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 23:55:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:58,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-20 23:55:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:55:58,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:55:58,601 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 23:55:58,617 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 23:55:58,696 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:55:58,696 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 23:55:58,760 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 23:55:58,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:55:58,769 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 23:55:58,846 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 23:55:58,907 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 23:55:58,979 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 23:55:59,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:55:59,186 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:55:59,186 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 23:55:59,209 INFO L290 TraceCheckUtils]: 0: Hoare triple {11121#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(15, 2); {11121#true} is VALID [2022-02-20 23:55:59,210 INFO L290 TraceCheckUtils]: 1: Hoare triple {11121#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {11124#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,210 INFO L290 TraceCheckUtils]: 2: Hoare triple {11124#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {11124#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,211 INFO L290 TraceCheckUtils]: 3: Hoare triple {11124#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {11148#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,220 INFO L290 TraceCheckUtils]: 4: Hoare triple {11148#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {11152#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,221 INFO L290 TraceCheckUtils]: 5: Hoare triple {11152#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11152#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:55:59,221 INFO L290 TraceCheckUtils]: 6: Hoare triple {11152#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {11159#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,223 INFO L290 TraceCheckUtils]: 7: Hoare triple {11159#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {11163#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,223 INFO L290 TraceCheckUtils]: 8: Hoare triple {11163#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11163#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,224 INFO L290 TraceCheckUtils]: 9: Hoare triple {11163#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {11170#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,224 INFO L290 TraceCheckUtils]: 10: Hoare triple {11170#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,225 INFO L290 TraceCheckUtils]: 11: Hoare triple {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,225 INFO L290 TraceCheckUtils]: 12: Hoare triple {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,226 INFO L290 TraceCheckUtils]: 13: Hoare triple {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,226 INFO L290 TraceCheckUtils]: 14: Hoare triple {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume 0 != main_~marked~0#1; {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:55:59,227 INFO L290 TraceCheckUtils]: 15: Hoare triple {11174#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {11190#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,227 INFO L290 TraceCheckUtils]: 16: Hoare triple {11190#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11190#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,227 INFO L290 TraceCheckUtils]: 17: Hoare triple {11190#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {11190#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:55:59,228 INFO L290 TraceCheckUtils]: 18: Hoare triple {11190#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11200#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,228 INFO L290 TraceCheckUtils]: 19: Hoare triple {11200#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {11200#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,228 INFO L290 TraceCheckUtils]: 20: Hoare triple {11200#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} goto; {11200#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,229 INFO L290 TraceCheckUtils]: 21: Hoare triple {11200#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} main_~marked~0#1 := 0; {11200#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,229 INFO L290 TraceCheckUtils]: 22: Hoare triple {11200#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,230 INFO L290 TraceCheckUtils]: 23: Hoare triple {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,230 INFO L290 TraceCheckUtils]: 24: Hoare triple {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} assume main_#t~short9#1; {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,230 INFO L290 TraceCheckUtils]: 25: Hoare triple {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,231 INFO L290 TraceCheckUtils]: 26: Hoare triple {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4); srcloc: L1027-4 {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,231 INFO L290 TraceCheckUtils]: 27: Hoare triple {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} main_#t~short9#1 := 0 == main_#t~mem8#1; {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,232 INFO L290 TraceCheckUtils]: 28: Hoare triple {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} assume !!main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} is VALID [2022-02-20 23:55:59,238 INFO L290 TraceCheckUtils]: 29: Hoare triple {11213#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1029-5 {11235#(= |ULTIMATE.start_main_#t~mem10#1| 0)} is VALID [2022-02-20 23:55:59,238 INFO L290 TraceCheckUtils]: 30: Hoare triple {11235#(= |ULTIMATE.start_main_#t~mem10#1| 0)} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {11122#false} is VALID [2022-02-20 23:55:59,238 INFO L290 TraceCheckUtils]: 31: Hoare triple {11122#false} assume !false; {11122#false} is VALID [2022-02-20 23:55:59,239 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 23:55:59,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:55:59,582 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |c_ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0))) is different from false [2022-02-20 23:55:59,911 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |c_ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_391) |c_ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)))) is different from false [2022-02-20 23:55:59,988 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (= (select (select (store |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_391) |c_ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)))) is different from false [2022-02-20 23:56:00,174 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |c_ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_389)) |c_ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_391) |c_ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)))) is different from false [2022-02-20 23:56:00,980 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_77| Int)) (or (= 0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_77| v_ArrVal_389)) |v_ULTIMATE.start_main_#t~malloc3#1.base_12| v_ArrVal_391) |c_ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_77| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)))) is different from false [2022-02-20 23:56:01,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:01,237 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:01,238 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 23:56:01,319 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:01,321 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 36 treesize of output 36 [2022-02-20 23:56:01,353 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 7 [2022-02-20 23:56:01,559 INFO L290 TraceCheckUtils]: 31: Hoare triple {11122#false} assume !false; {11122#false} is VALID [2022-02-20 23:56:01,560 INFO L290 TraceCheckUtils]: 30: Hoare triple {11235#(= |ULTIMATE.start_main_#t~mem10#1| 0)} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {11122#false} is VALID [2022-02-20 23:56:01,561 INFO L290 TraceCheckUtils]: 29: Hoare triple {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} SUMMARY for call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1029-5 {11235#(= |ULTIMATE.start_main_#t~mem10#1| 0)} is VALID [2022-02-20 23:56:01,561 INFO L290 TraceCheckUtils]: 28: Hoare triple {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume !!main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,563 INFO L290 TraceCheckUtils]: 27: Hoare triple {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} main_#t~short9#1 := 0 == main_#t~mem8#1; {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,564 INFO L290 TraceCheckUtils]: 26: Hoare triple {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} SUMMARY for call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4); srcloc: L1027-4 {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,564 INFO L290 TraceCheckUtils]: 25: Hoare triple {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,564 INFO L290 TraceCheckUtils]: 24: Hoare triple {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume main_#t~short9#1; {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,565 INFO L290 TraceCheckUtils]: 23: Hoare triple {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,565 INFO L290 TraceCheckUtils]: 22: Hoare triple {11270#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {11248#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 23:56:01,565 INFO L290 TraceCheckUtils]: 21: Hoare triple {11270#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} main_~marked~0#1 := 0; {11270#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:01,566 INFO L290 TraceCheckUtils]: 20: Hoare triple {11270#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} goto; {11270#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:01,566 INFO L290 TraceCheckUtils]: 19: Hoare triple {11270#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {11270#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:01,567 INFO L290 TraceCheckUtils]: 18: Hoare triple {11283#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {11270#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:56:01,567 INFO L290 TraceCheckUtils]: 17: Hoare triple {11283#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {11283#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is VALID [2022-02-20 23:56:01,568 INFO L290 TraceCheckUtils]: 16: Hoare triple {11283#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11283#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is VALID [2022-02-20 23:56:01,569 INFO L290 TraceCheckUtils]: 15: Hoare triple {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {11283#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is VALID [2022-02-20 23:56:01,569 INFO L290 TraceCheckUtils]: 14: Hoare triple {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} assume 0 != main_~marked~0#1; {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is VALID [2022-02-20 23:56:01,570 INFO L290 TraceCheckUtils]: 13: Hoare triple {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is VALID [2022-02-20 23:56:01,570 INFO L290 TraceCheckUtils]: 12: Hoare triple {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is VALID [2022-02-20 23:56:01,573 WARN L290 TraceCheckUtils]: 11: Hoare triple {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is UNKNOWN [2022-02-20 23:56:01,574 INFO L290 TraceCheckUtils]: 10: Hoare triple {11309#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {11293#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= 0 (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|))) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is VALID [2022-02-20 23:56:01,574 INFO L290 TraceCheckUtils]: 9: Hoare triple {11313#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {11309#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (= (select (select (store |#memory_int| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is VALID [2022-02-20 23:56:01,575 INFO L290 TraceCheckUtils]: 8: Hoare triple {11313#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {11313#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is VALID [2022-02-20 23:56:01,578 WARN L290 TraceCheckUtils]: 7: Hoare triple {11320#(forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_389)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {11313#(forall ((v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is UNKNOWN [2022-02-20 23:56:01,581 WARN L290 TraceCheckUtils]: 6: Hoare triple {11324#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int)) (or (forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_389)) |v_ULTIMATE.start_main_#t~malloc3#1.base_12| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {11320#(forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_389)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|))))} is UNKNOWN [2022-02-20 23:56:01,581 INFO L290 TraceCheckUtils]: 5: Hoare triple {11324#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int)) (or (forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_389)) |v_ULTIMATE.start_main_#t~malloc3#1.base_12| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {11324#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int)) (or (forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_389)) |v_ULTIMATE.start_main_#t~malloc3#1.base_12| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is VALID [2022-02-20 23:56:01,583 WARN L290 TraceCheckUtils]: 4: Hoare triple {11331#(forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_77| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_77| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_77| v_ArrVal_389)) |v_ULTIMATE.start_main_#t~malloc3#1.base_12| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {11324#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int)) (or (forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_389)) |v_ULTIMATE.start_main_#t~malloc3#1.base_12| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is UNKNOWN [2022-02-20 23:56:01,585 INFO L290 TraceCheckUtils]: 3: Hoare triple {11335#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int)) (or (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {11331#(forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_77| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_77| |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~head~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_77| v_ArrVal_389)) |v_ULTIMATE.start_main_#t~malloc3#1.base_12| v_ArrVal_391) |ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |ULTIMATE.start_main_~head~0#1.offset|)) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is VALID [2022-02-20 23:56:01,586 INFO L290 TraceCheckUtils]: 2: Hoare triple {11335#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int)) (or (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {11335#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int)) (or (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is VALID [2022-02-20 23:56:01,587 INFO L290 TraceCheckUtils]: 1: Hoare triple {11121#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {11335#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_12| Int)) (or (and (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_12| |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_12|) 0))))} is VALID [2022-02-20 23:56:01,587 INFO L290 TraceCheckUtils]: 0: Hoare triple {11121#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(15, 2); {11121#true} is VALID [2022-02-20 23:56:01,587 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 23:56:01,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824316904] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:56:01,587 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:56:01,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 35 [2022-02-20 23:56:01,588 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009589155] [2022-02-20 23:56:01,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:56:01,589 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.6) internal successors, (91), 35 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-20 23:56:01,589 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:01,589 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 35 states, 35 states have (on average 2.6) internal successors, (91), 35 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:01,674 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 86 inductive. 0 not inductive. 5 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:01,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-02-20 23:56:01,674 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:01,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-02-20 23:56:01,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=770, Unknown=5, NotChecked=300, Total=1190 [2022-02-20 23:56:01,675 INFO L87 Difference]: Start difference. First operand 227 states and 268 transitions. Second operand has 35 states, 35 states have (on average 2.6) internal successors, (91), 35 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:02,188 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~x~0#1.base|))) (and (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (or (= |c_ULTIMATE.start_main_~marked~0#1| 0) (and (not .cse0) (= |c_ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|) (= |c_ULTIMATE.start_main_~marked~0#1| 1))) (<= |c_ULTIMATE.start_main_~x~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_#t~malloc3#1.base| |c_ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|) 4) 0) (<= |c_ULTIMATE.start_main_~x~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) (forall ((v_ArrVal_389 Int) (v_ArrVal_391 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_75| Int)) (or (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_75| |c_ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_389)) |c_ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_391) |c_ULTIMATE.start_main_~head~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_75|)) 0) (not (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_75|)))) (= |c_ULTIMATE.start_main_~x~0#1.offset| |c_ULTIMATE.start_main_~head~0#1.offset|) .cse0 (= (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) 1) (<= 0 |c_ULTIMATE.start_main_~x~0#1.offset|) (= |c_ULTIMATE.start_main_#t~malloc3#1.offset| 0))) is different from false [2022-02-20 23:56:05,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:05,988 INFO L93 Difference]: Finished difference Result 427 states and 492 transitions. [2022-02-20 23:56:05,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-20 23:56:05,988 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.6) internal successors, (91), 35 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-20 23:56:05,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 2.6) internal successors, (91), 35 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 389 transitions. [2022-02-20 23:56:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 2.6) internal successors, (91), 35 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 389 transitions. [2022-02-20 23:56:05,994 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 389 transitions. [2022-02-20 23:56:06,272 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 389 edges. 386 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:06,279 INFO L225 Difference]: With dead ends: 427 [2022-02-20 23:56:06,279 INFO L226 Difference]: Without dead ends: 427 [2022-02-20 23:56:06,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=502, Invalid=2268, Unknown=10, NotChecked=642, Total=3422 [2022-02-20 23:56:06,281 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 905 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 2903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1523 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:06,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [905 Valid, 1497 Invalid, 2903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1290 Invalid, 0 Unknown, 1523 Unchecked, 1.0s Time] [2022-02-20 23:56:06,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2022-02-20 23:56:06,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 228. [2022-02-20 23:56:06,284 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:06,284 INFO L82 GeneralOperation]: Start isEquivalent. First operand 427 states. Second operand has 228 states, 185 states have (on average 1.454054054054054) internal successors, (269), 227 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:06,284 INFO L74 IsIncluded]: Start isIncluded. First operand 427 states. Second operand has 228 states, 185 states have (on average 1.454054054054054) internal successors, (269), 227 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:06,285 INFO L87 Difference]: Start difference. First operand 427 states. Second operand has 228 states, 185 states have (on average 1.454054054054054) internal successors, (269), 227 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:06,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:06,291 INFO L93 Difference]: Finished difference Result 427 states and 492 transitions. [2022-02-20 23:56:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 492 transitions. [2022-02-20 23:56:06,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:06,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:06,292 INFO L74 IsIncluded]: Start isIncluded. First operand has 228 states, 185 states have (on average 1.454054054054054) internal successors, (269), 227 states have internal predecessors, (269), 0 states have call successors, (0), 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 427 states. [2022-02-20 23:56:06,293 INFO L87 Difference]: Start difference. First operand has 228 states, 185 states have (on average 1.454054054054054) internal successors, (269), 227 states have internal predecessors, (269), 0 states have call successors, (0), 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 427 states. [2022-02-20 23:56:06,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:06,299 INFO L93 Difference]: Finished difference Result 427 states and 492 transitions. [2022-02-20 23:56:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 492 transitions. [2022-02-20 23:56:06,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:06,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:06,300 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:06,300 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 185 states have (on average 1.454054054054054) internal successors, (269), 227 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 269 transitions. [2022-02-20 23:56:06,303 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 269 transitions. Word has length 32 [2022-02-20 23:56:06,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:06,304 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 269 transitions. [2022-02-20 23:56:06,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.6) internal successors, (91), 35 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 269 transitions. [2022-02-20 23:56:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 23:56:06,304 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:06,304 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, 1, 1] [2022-02-20 23:56:06,323 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 23:56:06,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:06,519 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr34REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:56:06,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:06,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1640100151, now seen corresponding path program 1 times [2022-02-20 23:56:06,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:06,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970596901] [2022-02-20 23:56:06,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:06,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:06,588 INFO L290 TraceCheckUtils]: 0: Hoare triple {12908#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(15, 2); {12908#true} is VALID [2022-02-20 23:56:06,588 INFO L290 TraceCheckUtils]: 1: Hoare triple {12908#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {12908#true} is VALID [2022-02-20 23:56:06,588 INFO L290 TraceCheckUtils]: 2: Hoare triple {12908#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {12908#true} is VALID [2022-02-20 23:56:06,588 INFO L290 TraceCheckUtils]: 3: Hoare triple {12908#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {12908#true} is VALID [2022-02-20 23:56:06,589 INFO L290 TraceCheckUtils]: 4: Hoare triple {12908#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {12908#true} is VALID [2022-02-20 23:56:06,589 INFO L290 TraceCheckUtils]: 5: Hoare triple {12908#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12908#true} is VALID [2022-02-20 23:56:06,589 INFO L290 TraceCheckUtils]: 6: Hoare triple {12908#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {12908#true} is VALID [2022-02-20 23:56:06,589 INFO L290 TraceCheckUtils]: 7: Hoare triple {12908#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {12908#true} is VALID [2022-02-20 23:56:06,589 INFO L290 TraceCheckUtils]: 8: Hoare triple {12908#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {12908#true} is VALID [2022-02-20 23:56:06,589 INFO L290 TraceCheckUtils]: 9: Hoare triple {12908#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {12908#true} is VALID [2022-02-20 23:56:06,589 INFO L290 TraceCheckUtils]: 10: Hoare triple {12908#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {12908#true} is VALID [2022-02-20 23:56:06,589 INFO L290 TraceCheckUtils]: 11: Hoare triple {12908#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {12908#true} is VALID [2022-02-20 23:56:06,590 INFO L290 TraceCheckUtils]: 12: Hoare triple {12908#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {12908#true} is VALID [2022-02-20 23:56:06,590 INFO L290 TraceCheckUtils]: 13: Hoare triple {12908#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {12908#true} is VALID [2022-02-20 23:56:06,590 INFO L290 TraceCheckUtils]: 14: Hoare triple {12908#true} assume 0 != main_~marked~0#1; {12908#true} is VALID [2022-02-20 23:56:06,590 INFO L290 TraceCheckUtils]: 15: Hoare triple {12908#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {12908#true} is VALID [2022-02-20 23:56:06,590 INFO L290 TraceCheckUtils]: 16: Hoare triple {12908#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {12908#true} is VALID [2022-02-20 23:56:06,590 INFO L290 TraceCheckUtils]: 17: Hoare triple {12908#true} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {12908#true} is VALID [2022-02-20 23:56:06,590 INFO L290 TraceCheckUtils]: 18: Hoare triple {12908#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {12908#true} is VALID [2022-02-20 23:56:06,590 INFO L290 TraceCheckUtils]: 19: Hoare triple {12908#true} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {12908#true} is VALID [2022-02-20 23:56:06,591 INFO L290 TraceCheckUtils]: 20: Hoare triple {12908#true} goto; {12908#true} is VALID [2022-02-20 23:56:06,591 INFO L290 TraceCheckUtils]: 21: Hoare triple {12908#true} main_~marked~0#1 := 0; {12908#true} is VALID [2022-02-20 23:56:06,595 INFO L290 TraceCheckUtils]: 22: Hoare triple {12908#true} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {12910#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem6#1.offset|) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))} is VALID [2022-02-20 23:56:06,595 INFO L290 TraceCheckUtils]: 23: Hoare triple {12910#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem6#1.offset|) (= |ULTIMATE.start_main_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {12911#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) |ULTIMATE.start_main_#t~short9#1|)} is VALID [2022-02-20 23:56:06,596 INFO L290 TraceCheckUtils]: 24: Hoare triple {12911#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) |ULTIMATE.start_main_#t~short9#1|)} assume !main_#t~short9#1; {12912#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:06,596 INFO L290 TraceCheckUtils]: 25: Hoare triple {12912#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {12912#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:06,597 INFO L290 TraceCheckUtils]: 26: Hoare triple {12912#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1036-6 {12913#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} is VALID [2022-02-20 23:56:06,597 INFO L290 TraceCheckUtils]: 27: Hoare triple {12913#(and (= |ULTIMATE.start_main_#t~mem12#1.base| 0) (= |ULTIMATE.start_main_#t~mem12#1.offset| 0))} main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {12914#(not |ULTIMATE.start_main_#t~short14#1|)} is VALID [2022-02-20 23:56:06,597 INFO L290 TraceCheckUtils]: 28: Hoare triple {12914#(not |ULTIMATE.start_main_#t~short14#1|)} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {12909#false} is VALID [2022-02-20 23:56:06,597 INFO L290 TraceCheckUtils]: 29: Hoare triple {12909#false} assume !main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1; {12909#false} is VALID [2022-02-20 23:56:06,598 INFO L290 TraceCheckUtils]: 30: Hoare triple {12909#false} call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnHeap(8);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;havoc main_#t~malloc17#1.base, main_#t~malloc17#1.offset; {12909#false} is VALID [2022-02-20 23:56:06,598 INFO L290 TraceCheckUtils]: 31: Hoare triple {12909#false} assume !(4 + (4 + main_~tmp~0#1.offset) <= #length[main_~tmp~0#1.base] && 0 <= 4 + main_~tmp~0#1.offset); {12909#false} is VALID [2022-02-20 23:56:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:56:06,598 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:06,598 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970596901] [2022-02-20 23:56:06,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970596901] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:06,598 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:56:06,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:56:06,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394452201] [2022-02-20 23:56:06,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:06,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-20 23:56:06,599 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:06,599 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:06,631 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:06,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:56:06,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:06,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:56:06,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:56:06,632 INFO L87 Difference]: Start difference. First operand 228 states and 269 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:07,085 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2022-02-20 23:56:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:56:07,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-20 23:56:07,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:07,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 163 transitions. [2022-02-20 23:56:07,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 163 transitions. [2022-02-20 23:56:07,087 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 163 transitions. [2022-02-20 23:56:07,184 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:07,187 INFO L225 Difference]: With dead ends: 246 [2022-02-20 23:56:07,187 INFO L226 Difference]: Without dead ends: 246 [2022-02-20 23:56:07,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-02-20 23:56:07,188 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 49 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:07,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 532 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:56:07,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-02-20 23:56:07,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 237. [2022-02-20 23:56:07,190 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:07,191 INFO L82 GeneralOperation]: Start isEquivalent. First operand 246 states. Second operand has 237 states, 194 states have (on average 1.4381443298969072) internal successors, (279), 236 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,191 INFO L74 IsIncluded]: Start isIncluded. First operand 246 states. Second operand has 237 states, 194 states have (on average 1.4381443298969072) internal successors, (279), 236 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,191 INFO L87 Difference]: Start difference. First operand 246 states. Second operand has 237 states, 194 states have (on average 1.4381443298969072) internal successors, (279), 236 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:07,194 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2022-02-20 23:56:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 289 transitions. [2022-02-20 23:56:07,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:07,195 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:07,195 INFO L74 IsIncluded]: Start isIncluded. First operand has 237 states, 194 states have (on average 1.4381443298969072) internal successors, (279), 236 states have internal predecessors, (279), 0 states have call successors, (0), 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 246 states. [2022-02-20 23:56:07,195 INFO L87 Difference]: Start difference. First operand has 237 states, 194 states have (on average 1.4381443298969072) internal successors, (279), 236 states have internal predecessors, (279), 0 states have call successors, (0), 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 246 states. [2022-02-20 23:56:07,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:07,198 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2022-02-20 23:56:07,198 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 289 transitions. [2022-02-20 23:56:07,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:07,199 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:07,199 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:07,199 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:07,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 194 states have (on average 1.4381443298969072) internal successors, (279), 236 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 279 transitions. [2022-02-20 23:56:07,202 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 279 transitions. Word has length 32 [2022-02-20 23:56:07,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:07,202 INFO L470 AbstractCegarLoop]: Abstraction has 237 states and 279 transitions. [2022-02-20 23:56:07,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 279 transitions. [2022-02-20 23:56:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 23:56:07,203 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:07,203 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, 1, 1] [2022-02-20 23:56:07,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-20 23:56:07,203 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:56:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:07,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1640159733, now seen corresponding path program 1 times [2022-02-20 23:56:07,204 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:07,204 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365184980] [2022-02-20 23:56:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:07,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:07,253 INFO L290 TraceCheckUtils]: 0: Hoare triple {13900#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(15, 2); {13900#true} is VALID [2022-02-20 23:56:07,253 INFO L290 TraceCheckUtils]: 1: Hoare triple {13900#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {13900#true} is VALID [2022-02-20 23:56:07,253 INFO L290 TraceCheckUtils]: 2: Hoare triple {13900#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {13900#true} is VALID [2022-02-20 23:56:07,254 INFO L290 TraceCheckUtils]: 3: Hoare triple {13900#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {13900#true} is VALID [2022-02-20 23:56:07,254 INFO L290 TraceCheckUtils]: 4: Hoare triple {13900#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {13900#true} is VALID [2022-02-20 23:56:07,254 INFO L290 TraceCheckUtils]: 5: Hoare triple {13900#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13900#true} is VALID [2022-02-20 23:56:07,254 INFO L290 TraceCheckUtils]: 6: Hoare triple {13900#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {13900#true} is VALID [2022-02-20 23:56:07,254 INFO L290 TraceCheckUtils]: 7: Hoare triple {13900#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {13900#true} is VALID [2022-02-20 23:56:07,254 INFO L290 TraceCheckUtils]: 8: Hoare triple {13900#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {13900#true} is VALID [2022-02-20 23:56:07,254 INFO L290 TraceCheckUtils]: 9: Hoare triple {13900#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {13900#true} is VALID [2022-02-20 23:56:07,254 INFO L290 TraceCheckUtils]: 10: Hoare triple {13900#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {13900#true} is VALID [2022-02-20 23:56:07,255 INFO L290 TraceCheckUtils]: 11: Hoare triple {13900#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {13900#true} is VALID [2022-02-20 23:56:07,255 INFO L290 TraceCheckUtils]: 12: Hoare triple {13900#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {13900#true} is VALID [2022-02-20 23:56:07,255 INFO L290 TraceCheckUtils]: 13: Hoare triple {13900#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {13900#true} is VALID [2022-02-20 23:56:07,255 INFO L290 TraceCheckUtils]: 14: Hoare triple {13900#true} assume 0 != main_~marked~0#1; {13900#true} is VALID [2022-02-20 23:56:07,255 INFO L290 TraceCheckUtils]: 15: Hoare triple {13900#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {13900#true} is VALID [2022-02-20 23:56:07,255 INFO L290 TraceCheckUtils]: 16: Hoare triple {13900#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {13900#true} is VALID [2022-02-20 23:56:07,255 INFO L290 TraceCheckUtils]: 17: Hoare triple {13900#true} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {13900#true} is VALID [2022-02-20 23:56:07,255 INFO L290 TraceCheckUtils]: 18: Hoare triple {13900#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {13900#true} is VALID [2022-02-20 23:56:07,256 INFO L290 TraceCheckUtils]: 19: Hoare triple {13900#true} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {13900#true} is VALID [2022-02-20 23:56:07,256 INFO L290 TraceCheckUtils]: 20: Hoare triple {13900#true} goto; {13900#true} is VALID [2022-02-20 23:56:07,256 INFO L290 TraceCheckUtils]: 21: Hoare triple {13900#true} main_~marked~0#1 := 0; {13900#true} is VALID [2022-02-20 23:56:07,256 INFO L290 TraceCheckUtils]: 22: Hoare triple {13900#true} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {13900#true} is VALID [2022-02-20 23:56:07,256 INFO L290 TraceCheckUtils]: 23: Hoare triple {13900#true} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {13900#true} is VALID [2022-02-20 23:56:07,256 INFO L290 TraceCheckUtils]: 24: Hoare triple {13900#true} assume !main_#t~short9#1; {13900#true} is VALID [2022-02-20 23:56:07,256 INFO L290 TraceCheckUtils]: 25: Hoare triple {13900#true} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {13900#true} is VALID [2022-02-20 23:56:07,256 INFO L290 TraceCheckUtils]: 26: Hoare triple {13900#true} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1036-6 {13900#true} is VALID [2022-02-20 23:56:07,257 INFO L290 TraceCheckUtils]: 27: Hoare triple {13900#true} main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {13900#true} is VALID [2022-02-20 23:56:07,257 INFO L290 TraceCheckUtils]: 28: Hoare triple {13900#true} assume !main_#t~short14#1; {13900#true} is VALID [2022-02-20 23:56:07,257 INFO L290 TraceCheckUtils]: 29: Hoare triple {13900#true} assume !main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1; {13900#true} is VALID [2022-02-20 23:56:07,258 INFO L290 TraceCheckUtils]: 30: Hoare triple {13900#true} call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnHeap(8);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;havoc main_#t~malloc17#1.base, main_#t~malloc17#1.offset; {13902#(and (= |ULTIMATE.start_main_~tmp~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~tmp~0#1.base|) (- 8)) 0))} is VALID [2022-02-20 23:56:07,258 INFO L290 TraceCheckUtils]: 31: Hoare triple {13902#(and (= |ULTIMATE.start_main_~tmp~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_~tmp~0#1.base|) (- 8)) 0))} assume !(4 + (4 + main_~tmp~0#1.offset) <= #length[main_~tmp~0#1.base] && 0 <= 4 + main_~tmp~0#1.offset); {13901#false} is VALID [2022-02-20 23:56:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:56:07,262 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:07,262 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365184980] [2022-02-20 23:56:07,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365184980] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:07,262 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:56:07,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:56:07,262 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230417591] [2022-02-20 23:56:07,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:07,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-20 23:56:07,263 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:07,263 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,280 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:07,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:56:07,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:07,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:56:07,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:56:07,281 INFO L87 Difference]: Start difference. First operand 237 states and 279 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:07,442 INFO L93 Difference]: Finished difference Result 234 states and 273 transitions. [2022-02-20 23:56:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:56:07,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-20 23:56:07,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:07,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2022-02-20 23:56:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2022-02-20 23:56:07,443 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 146 transitions. [2022-02-20 23:56:07,537 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 23:56:07,539 INFO L225 Difference]: With dead ends: 234 [2022-02-20 23:56:07,539 INFO L226 Difference]: Without dead ends: 234 [2022-02-20 23:56:07,539 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 23:56:07,540 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 78 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:07,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 151 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:56:07,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-02-20 23:56:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-02-20 23:56:07,543 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:07,543 INFO L82 GeneralOperation]: Start isEquivalent. First operand 234 states. Second operand has 234 states, 194 states have (on average 1.407216494845361) internal successors, (273), 233 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,543 INFO L74 IsIncluded]: Start isIncluded. First operand 234 states. Second operand has 234 states, 194 states have (on average 1.407216494845361) internal successors, (273), 233 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,543 INFO L87 Difference]: Start difference. First operand 234 states. Second operand has 234 states, 194 states have (on average 1.407216494845361) internal successors, (273), 233 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:07,546 INFO L93 Difference]: Finished difference Result 234 states and 273 transitions. [2022-02-20 23:56:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 273 transitions. [2022-02-20 23:56:07,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:07,546 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:07,546 INFO L74 IsIncluded]: Start isIncluded. First operand has 234 states, 194 states have (on average 1.407216494845361) internal successors, (273), 233 states have internal predecessors, (273), 0 states have call successors, (0), 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 234 states. [2022-02-20 23:56:07,547 INFO L87 Difference]: Start difference. First operand has 234 states, 194 states have (on average 1.407216494845361) internal successors, (273), 233 states have internal predecessors, (273), 0 states have call successors, (0), 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 234 states. [2022-02-20 23:56:07,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:07,549 INFO L93 Difference]: Finished difference Result 234 states and 273 transitions. [2022-02-20 23:56:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 273 transitions. [2022-02-20 23:56:07,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:07,550 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:07,550 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:07,550 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 194 states have (on average 1.407216494845361) internal successors, (273), 233 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 273 transitions. [2022-02-20 23:56:07,552 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 273 transitions. Word has length 32 [2022-02-20 23:56:07,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:07,553 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 273 transitions. [2022-02-20 23:56:07,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 273 transitions. [2022-02-20 23:56:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-20 23:56:07,553 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:07,553 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, 1, 1] [2022-02-20 23:56:07,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-20 23:56:07,554 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr33REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:56:07,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:07,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1640159732, now seen corresponding path program 1 times [2022-02-20 23:56:07,554 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:07,554 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795625608] [2022-02-20 23:56:07,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:07,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:07,583 INFO L290 TraceCheckUtils]: 0: Hoare triple {14841#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(15, 2); {14841#true} is VALID [2022-02-20 23:56:07,584 INFO L290 TraceCheckUtils]: 1: Hoare triple {14841#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {14841#true} is VALID [2022-02-20 23:56:07,584 INFO L290 TraceCheckUtils]: 2: Hoare triple {14841#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {14841#true} is VALID [2022-02-20 23:56:07,584 INFO L290 TraceCheckUtils]: 3: Hoare triple {14841#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {14841#true} is VALID [2022-02-20 23:56:07,584 INFO L290 TraceCheckUtils]: 4: Hoare triple {14841#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {14841#true} is VALID [2022-02-20 23:56:07,584 INFO L290 TraceCheckUtils]: 5: Hoare triple {14841#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14841#true} is VALID [2022-02-20 23:56:07,584 INFO L290 TraceCheckUtils]: 6: Hoare triple {14841#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {14841#true} is VALID [2022-02-20 23:56:07,584 INFO L290 TraceCheckUtils]: 7: Hoare triple {14841#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {14841#true} is VALID [2022-02-20 23:56:07,585 INFO L290 TraceCheckUtils]: 8: Hoare triple {14841#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {14841#true} is VALID [2022-02-20 23:56:07,585 INFO L290 TraceCheckUtils]: 9: Hoare triple {14841#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {14841#true} is VALID [2022-02-20 23:56:07,585 INFO L290 TraceCheckUtils]: 10: Hoare triple {14841#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {14841#true} is VALID [2022-02-20 23:56:07,585 INFO L290 TraceCheckUtils]: 11: Hoare triple {14841#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {14841#true} is VALID [2022-02-20 23:56:07,585 INFO L290 TraceCheckUtils]: 12: Hoare triple {14841#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {14841#true} is VALID [2022-02-20 23:56:07,585 INFO L290 TraceCheckUtils]: 13: Hoare triple {14841#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {14841#true} is VALID [2022-02-20 23:56:07,585 INFO L290 TraceCheckUtils]: 14: Hoare triple {14841#true} assume 0 != main_~marked~0#1; {14841#true} is VALID [2022-02-20 23:56:07,585 INFO L290 TraceCheckUtils]: 15: Hoare triple {14841#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {14841#true} is VALID [2022-02-20 23:56:07,586 INFO L290 TraceCheckUtils]: 16: Hoare triple {14841#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {14841#true} is VALID [2022-02-20 23:56:07,586 INFO L290 TraceCheckUtils]: 17: Hoare triple {14841#true} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {14841#true} is VALID [2022-02-20 23:56:07,586 INFO L290 TraceCheckUtils]: 18: Hoare triple {14841#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {14841#true} is VALID [2022-02-20 23:56:07,586 INFO L290 TraceCheckUtils]: 19: Hoare triple {14841#true} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {14841#true} is VALID [2022-02-20 23:56:07,586 INFO L290 TraceCheckUtils]: 20: Hoare triple {14841#true} goto; {14841#true} is VALID [2022-02-20 23:56:07,586 INFO L290 TraceCheckUtils]: 21: Hoare triple {14841#true} main_~marked~0#1 := 0; {14841#true} is VALID [2022-02-20 23:56:07,586 INFO L290 TraceCheckUtils]: 22: Hoare triple {14841#true} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {14841#true} is VALID [2022-02-20 23:56:07,586 INFO L290 TraceCheckUtils]: 23: Hoare triple {14841#true} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {14841#true} is VALID [2022-02-20 23:56:07,587 INFO L290 TraceCheckUtils]: 24: Hoare triple {14841#true} assume !main_#t~short9#1; {14841#true} is VALID [2022-02-20 23:56:07,587 INFO L290 TraceCheckUtils]: 25: Hoare triple {14841#true} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {14841#true} is VALID [2022-02-20 23:56:07,587 INFO L290 TraceCheckUtils]: 26: Hoare triple {14841#true} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1036-6 {14841#true} is VALID [2022-02-20 23:56:07,587 INFO L290 TraceCheckUtils]: 27: Hoare triple {14841#true} main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {14841#true} is VALID [2022-02-20 23:56:07,587 INFO L290 TraceCheckUtils]: 28: Hoare triple {14841#true} assume !main_#t~short14#1; {14841#true} is VALID [2022-02-20 23:56:07,587 INFO L290 TraceCheckUtils]: 29: Hoare triple {14841#true} assume !main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1; {14841#true} is VALID [2022-02-20 23:56:07,588 INFO L290 TraceCheckUtils]: 30: Hoare triple {14841#true} call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnHeap(8);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;havoc main_#t~malloc17#1.base, main_#t~malloc17#1.offset; {14843#(= (select |#valid| |ULTIMATE.start_main_~tmp~0#1.base|) 1)} is VALID [2022-02-20 23:56:07,588 INFO L290 TraceCheckUtils]: 31: Hoare triple {14843#(= (select |#valid| |ULTIMATE.start_main_~tmp~0#1.base|) 1)} assume !(1 == #valid[main_~tmp~0#1.base]); {14842#false} is VALID [2022-02-20 23:56:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:56:07,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:07,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795625608] [2022-02-20 23:56:07,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795625608] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:07,589 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:56:07,589 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:56:07,589 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845418931] [2022-02-20 23:56:07,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:07,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-20 23:56:07,590 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:07,590 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,605 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:07,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:56:07,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:07,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:56:07,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:56:07,606 INFO L87 Difference]: Start difference. First operand 234 states and 273 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:07,729 INFO L93 Difference]: Finished difference Result 232 states and 267 transitions. [2022-02-20 23:56:07,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:56:07,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-20 23:56:07,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:07,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2022-02-20 23:56:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2022-02-20 23:56:07,731 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 150 transitions. [2022-02-20 23:56:07,817 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:07,820 INFO L225 Difference]: With dead ends: 232 [2022-02-20 23:56:07,820 INFO L226 Difference]: Without dead ends: 232 [2022-02-20 23:56:07,820 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 23:56:07,821 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 67 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:07,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 173 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:56:07,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-02-20 23:56:07,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 231. [2022-02-20 23:56:07,823 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:07,823 INFO L82 GeneralOperation]: Start isEquivalent. First operand 232 states. Second operand has 231 states, 194 states have (on average 1.3762886597938144) internal successors, (267), 230 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,823 INFO L74 IsIncluded]: Start isIncluded. First operand 232 states. Second operand has 231 states, 194 states have (on average 1.3762886597938144) internal successors, (267), 230 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,824 INFO L87 Difference]: Start difference. First operand 232 states. Second operand has 231 states, 194 states have (on average 1.3762886597938144) internal successors, (267), 230 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:07,826 INFO L93 Difference]: Finished difference Result 232 states and 267 transitions. [2022-02-20 23:56:07,826 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 267 transitions. [2022-02-20 23:56:07,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:07,826 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:07,827 INFO L74 IsIncluded]: Start isIncluded. First operand has 231 states, 194 states have (on average 1.3762886597938144) internal successors, (267), 230 states have internal predecessors, (267), 0 states have call successors, (0), 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 232 states. [2022-02-20 23:56:07,828 INFO L87 Difference]: Start difference. First operand has 231 states, 194 states have (on average 1.3762886597938144) internal successors, (267), 230 states have internal predecessors, (267), 0 states have call successors, (0), 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 232 states. [2022-02-20 23:56:07,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:07,830 INFO L93 Difference]: Finished difference Result 232 states and 267 transitions. [2022-02-20 23:56:07,830 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 267 transitions. [2022-02-20 23:56:07,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:07,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:07,831 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:07,831 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:07,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 194 states have (on average 1.3762886597938144) internal successors, (267), 230 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 267 transitions. [2022-02-20 23:56:07,834 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 267 transitions. Word has length 32 [2022-02-20 23:56:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:07,834 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 267 transitions. [2022-02-20 23:56:07,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 267 transitions. [2022-02-20 23:56:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-20 23:56:07,834 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:07,834 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, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:07,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-20 23:56:07,835 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:56:07,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:07,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1267662762, now seen corresponding path program 1 times [2022-02-20 23:56:07,835 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:07,835 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496961331] [2022-02-20 23:56:07,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:07,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:07,880 INFO L290 TraceCheckUtils]: 0: Hoare triple {15773#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(15, 2); {15773#true} is VALID [2022-02-20 23:56:07,880 INFO L290 TraceCheckUtils]: 1: Hoare triple {15773#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {15773#true} is VALID [2022-02-20 23:56:07,880 INFO L290 TraceCheckUtils]: 2: Hoare triple {15773#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {15773#true} is VALID [2022-02-20 23:56:07,880 INFO L290 TraceCheckUtils]: 3: Hoare triple {15773#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {15773#true} is VALID [2022-02-20 23:56:07,880 INFO L290 TraceCheckUtils]: 4: Hoare triple {15773#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {15773#true} is VALID [2022-02-20 23:56:07,881 INFO L290 TraceCheckUtils]: 5: Hoare triple {15773#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15773#true} is VALID [2022-02-20 23:56:07,881 INFO L290 TraceCheckUtils]: 6: Hoare triple {15773#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {15773#true} is VALID [2022-02-20 23:56:07,881 INFO L290 TraceCheckUtils]: 7: Hoare triple {15773#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {15773#true} is VALID [2022-02-20 23:56:07,881 INFO L290 TraceCheckUtils]: 8: Hoare triple {15773#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {15773#true} is VALID [2022-02-20 23:56:07,881 INFO L290 TraceCheckUtils]: 9: Hoare triple {15773#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {15773#true} is VALID [2022-02-20 23:56:07,881 INFO L290 TraceCheckUtils]: 10: Hoare triple {15773#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {15773#true} is VALID [2022-02-20 23:56:07,881 INFO L290 TraceCheckUtils]: 11: Hoare triple {15773#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {15773#true} is VALID [2022-02-20 23:56:07,881 INFO L290 TraceCheckUtils]: 12: Hoare triple {15773#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {15773#true} is VALID [2022-02-20 23:56:07,882 INFO L290 TraceCheckUtils]: 13: Hoare triple {15773#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {15773#true} is VALID [2022-02-20 23:56:07,882 INFO L290 TraceCheckUtils]: 14: Hoare triple {15773#true} assume 0 != main_~marked~0#1; {15773#true} is VALID [2022-02-20 23:56:07,882 INFO L290 TraceCheckUtils]: 15: Hoare triple {15773#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {15773#true} is VALID [2022-02-20 23:56:07,882 INFO L290 TraceCheckUtils]: 16: Hoare triple {15773#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {15773#true} is VALID [2022-02-20 23:56:07,882 INFO L290 TraceCheckUtils]: 17: Hoare triple {15773#true} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {15773#true} is VALID [2022-02-20 23:56:07,882 INFO L290 TraceCheckUtils]: 18: Hoare triple {15773#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {15773#true} is VALID [2022-02-20 23:56:07,882 INFO L290 TraceCheckUtils]: 19: Hoare triple {15773#true} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {15773#true} is VALID [2022-02-20 23:56:07,882 INFO L290 TraceCheckUtils]: 20: Hoare triple {15773#true} goto; {15773#true} is VALID [2022-02-20 23:56:07,882 INFO L290 TraceCheckUtils]: 21: Hoare triple {15773#true} main_~marked~0#1 := 0; {15773#true} is VALID [2022-02-20 23:56:07,883 INFO L290 TraceCheckUtils]: 22: Hoare triple {15773#true} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {15773#true} is VALID [2022-02-20 23:56:07,883 INFO L290 TraceCheckUtils]: 23: Hoare triple {15773#true} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {15773#true} is VALID [2022-02-20 23:56:07,883 INFO L290 TraceCheckUtils]: 24: Hoare triple {15773#true} assume main_#t~short9#1; {15773#true} is VALID [2022-02-20 23:56:07,883 INFO L290 TraceCheckUtils]: 25: Hoare triple {15773#true} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {15775#(= |ULTIMATE.start_main_#t~mem7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))} is VALID [2022-02-20 23:56:07,884 INFO L290 TraceCheckUtils]: 26: Hoare triple {15775#(= |ULTIMATE.start_main_#t~mem7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))} SUMMARY for call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4); srcloc: L1027-4 {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:07,884 INFO L290 TraceCheckUtils]: 27: Hoare triple {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} main_#t~short9#1 := 0 == main_#t~mem8#1; {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:07,884 INFO L290 TraceCheckUtils]: 28: Hoare triple {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:07,885 INFO L290 TraceCheckUtils]: 29: Hoare triple {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1036-6 {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:07,885 INFO L290 TraceCheckUtils]: 30: Hoare triple {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:07,885 INFO L290 TraceCheckUtils]: 31: Hoare triple {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:07,885 INFO L290 TraceCheckUtils]: 32: Hoare triple {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1; {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:07,886 INFO L290 TraceCheckUtils]: 33: Hoare triple {15776#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1035 {15777#(= (select |#valid| |ULTIMATE.start_main_#t~mem15#1.base|) 1)} is VALID [2022-02-20 23:56:07,887 INFO L290 TraceCheckUtils]: 34: Hoare triple {15777#(= (select |#valid| |ULTIMATE.start_main_#t~mem15#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {15778#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} is VALID [2022-02-20 23:56:07,887 INFO L290 TraceCheckUtils]: 35: Hoare triple {15778#(= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1)} assume !(1 == #valid[main_~x~0#1.base]); {15774#false} is VALID [2022-02-20 23:56:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:56:07,887 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:07,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496961331] [2022-02-20 23:56:07,888 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496961331] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:07,888 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:56:07,888 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 23:56:07,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315330119] [2022-02-20 23:56:07,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:07,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 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 36 [2022-02-20 23:56:07,889 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:07,889 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:07,908 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:07,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:56:07,908 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:07,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:56:07,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:56:07,909 INFO L87 Difference]: Start difference. First operand 231 states and 267 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:08,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:08,415 INFO L93 Difference]: Finished difference Result 254 states and 291 transitions. [2022-02-20 23:56:08,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:56:08,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 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 36 [2022-02-20 23:56:08,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:08,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 168 transitions. [2022-02-20 23:56:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 168 transitions. [2022-02-20 23:56:08,417 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 168 transitions. [2022-02-20 23:56:08,514 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 168 edges. 168 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:08,517 INFO L225 Difference]: With dead ends: 254 [2022-02-20 23:56:08,517 INFO L226 Difference]: Without dead ends: 254 [2022-02-20 23:56:08,517 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 23:56:08,527 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 113 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:08,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 334 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:56:08,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2022-02-20 23:56:08,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 238. [2022-02-20 23:56:08,530 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:08,530 INFO L82 GeneralOperation]: Start isEquivalent. First operand 254 states. Second operand has 238 states, 201 states have (on average 1.3880597014925373) internal successors, (279), 237 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:08,530 INFO L74 IsIncluded]: Start isIncluded. First operand 254 states. Second operand has 238 states, 201 states have (on average 1.3880597014925373) internal successors, (279), 237 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:08,530 INFO L87 Difference]: Start difference. First operand 254 states. Second operand has 238 states, 201 states have (on average 1.3880597014925373) internal successors, (279), 237 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:08,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:08,533 INFO L93 Difference]: Finished difference Result 254 states and 291 transitions. [2022-02-20 23:56:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 291 transitions. [2022-02-20 23:56:08,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:08,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:08,534 INFO L74 IsIncluded]: Start isIncluded. First operand has 238 states, 201 states have (on average 1.3880597014925373) internal successors, (279), 237 states have internal predecessors, (279), 0 states have call successors, (0), 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 23:56:08,534 INFO L87 Difference]: Start difference. First operand has 238 states, 201 states have (on average 1.3880597014925373) internal successors, (279), 237 states have internal predecessors, (279), 0 states have call successors, (0), 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 23:56:08,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:08,536 INFO L93 Difference]: Finished difference Result 254 states and 291 transitions. [2022-02-20 23:56:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 291 transitions. [2022-02-20 23:56:08,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:08,537 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:08,537 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:08,537 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 201 states have (on average 1.3880597014925373) internal successors, (279), 237 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:08,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 279 transitions. [2022-02-20 23:56:08,540 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 279 transitions. Word has length 36 [2022-02-20 23:56:08,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:08,540 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 279 transitions. [2022-02-20 23:56:08,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 279 transitions. [2022-02-20 23:56:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-20 23:56:08,540 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:08,540 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, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:08,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-20 23:56:08,540 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:56:08,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:08,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1267662761, now seen corresponding path program 1 times [2022-02-20 23:56:08,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:08,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140465490] [2022-02-20 23:56:08,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:08,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:08,747 INFO L290 TraceCheckUtils]: 0: Hoare triple {16789#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(15, 2); {16789#true} is VALID [2022-02-20 23:56:08,747 INFO L290 TraceCheckUtils]: 1: Hoare triple {16789#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {16789#true} is VALID [2022-02-20 23:56:08,747 INFO L290 TraceCheckUtils]: 2: Hoare triple {16789#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {16791#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:08,747 INFO L290 TraceCheckUtils]: 3: Hoare triple {16791#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {16791#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:08,748 INFO L290 TraceCheckUtils]: 4: Hoare triple {16791#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {16792#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:08,748 INFO L290 TraceCheckUtils]: 5: Hoare triple {16792#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16792#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:08,749 INFO L290 TraceCheckUtils]: 6: Hoare triple {16792#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {16793#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:08,751 INFO L290 TraceCheckUtils]: 7: Hoare triple {16793#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {16794#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:08,751 INFO L290 TraceCheckUtils]: 8: Hoare triple {16794#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {16794#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:08,752 INFO L290 TraceCheckUtils]: 9: Hoare triple {16794#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {16795#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:08,752 INFO L290 TraceCheckUtils]: 10: Hoare triple {16795#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {16796#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:08,753 INFO L290 TraceCheckUtils]: 11: Hoare triple {16796#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {16796#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:08,753 INFO L290 TraceCheckUtils]: 12: Hoare triple {16796#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {16796#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:08,754 INFO L290 TraceCheckUtils]: 13: Hoare triple {16796#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {16797#(or (and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~marked~0#1| 0))} is VALID [2022-02-20 23:56:08,755 INFO L290 TraceCheckUtils]: 14: Hoare triple {16797#(or (and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~marked~0#1| 0))} assume 0 != main_~marked~0#1; {16796#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:08,755 INFO L290 TraceCheckUtils]: 15: Hoare triple {16796#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {16798#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,756 INFO L290 TraceCheckUtils]: 16: Hoare triple {16798#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16798#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,756 INFO L290 TraceCheckUtils]: 17: Hoare triple {16798#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {16798#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,756 INFO L290 TraceCheckUtils]: 18: Hoare triple {16798#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,756 INFO L290 TraceCheckUtils]: 19: Hoare triple {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,757 INFO L290 TraceCheckUtils]: 20: Hoare triple {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} goto; {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,757 INFO L290 TraceCheckUtils]: 21: Hoare triple {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} main_~marked~0#1 := 0; {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,757 INFO L290 TraceCheckUtils]: 22: Hoare triple {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,758 INFO L290 TraceCheckUtils]: 23: Hoare triple {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,758 INFO L290 TraceCheckUtils]: 24: Hoare triple {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} assume main_#t~short9#1; {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} is VALID [2022-02-20 23:56:08,758 INFO L290 TraceCheckUtils]: 25: Hoare triple {16799#(= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {16800#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem7#1.offset|) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0) (= |ULTIMATE.start_main_#t~mem7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))} is VALID [2022-02-20 23:56:08,759 INFO L290 TraceCheckUtils]: 26: Hoare triple {16800#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem7#1.offset|) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0) (= |ULTIMATE.start_main_#t~mem7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4); srcloc: L1027-4 {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:08,759 INFO L290 TraceCheckUtils]: 27: Hoare triple {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} main_#t~short9#1 := 0 == main_#t~mem8#1; {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:08,760 INFO L290 TraceCheckUtils]: 28: Hoare triple {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:08,760 INFO L290 TraceCheckUtils]: 29: Hoare triple {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1036-6 {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:08,761 INFO L290 TraceCheckUtils]: 30: Hoare triple {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:08,761 INFO L290 TraceCheckUtils]: 31: Hoare triple {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:08,761 INFO L290 TraceCheckUtils]: 32: Hoare triple {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1; {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:08,762 INFO L290 TraceCheckUtils]: 33: Hoare triple {16801#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1035 {16802#(and (<= 0 |ULTIMATE.start_main_#t~mem15#1.offset|) (<= (+ 8 |ULTIMATE.start_main_#t~mem15#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem15#1.base|)))} is VALID [2022-02-20 23:56:08,762 INFO L290 TraceCheckUtils]: 34: Hoare triple {16802#(and (<= 0 |ULTIMATE.start_main_#t~mem15#1.offset|) (<= (+ 8 |ULTIMATE.start_main_#t~mem15#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem15#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {16803#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:56:08,763 INFO L290 TraceCheckUtils]: 35: Hoare triple {16803#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume !(4 + (4 + main_~x~0#1.offset) <= #length[main_~x~0#1.base] && 0 <= 4 + main_~x~0#1.offset); {16790#false} is VALID [2022-02-20 23:56:08,763 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 23:56:08,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:08,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140465490] [2022-02-20 23:56:08,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140465490] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:56:08,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470375862] [2022-02-20 23:56:08,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:08,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:08,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:08,764 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 23:56:08,765 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 23:56:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:08,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-20 23:56:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:08,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:09,067 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 23 treesize of output 15 [2022-02-20 23:56:09,081 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 28 treesize of output 16 [2022-02-20 23:56:09,124 INFO L290 TraceCheckUtils]: 0: Hoare triple {16789#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(15, 2); {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 1: Hoare triple {16789#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 2: Hoare triple {16789#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 3: Hoare triple {16789#true} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 4: Hoare triple {16789#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 5: Hoare triple {16789#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 6: Hoare triple {16789#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 7: Hoare triple {16789#true} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 8: Hoare triple {16789#true} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 9: Hoare triple {16789#true} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 10: Hoare triple {16789#true} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 11: Hoare triple {16789#true} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 12: Hoare triple {16789#true} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 13: Hoare triple {16789#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 14: Hoare triple {16789#true} assume 0 != main_~marked~0#1; {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 15: Hoare triple {16789#true} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {16789#true} is VALID [2022-02-20 23:56:09,125 INFO L290 TraceCheckUtils]: 16: Hoare triple {16789#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {16789#true} is VALID [2022-02-20 23:56:09,126 INFO L290 TraceCheckUtils]: 17: Hoare triple {16789#true} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {16789#true} is VALID [2022-02-20 23:56:09,126 INFO L290 TraceCheckUtils]: 18: Hoare triple {16789#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {16789#true} is VALID [2022-02-20 23:56:09,126 INFO L290 TraceCheckUtils]: 19: Hoare triple {16789#true} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {16789#true} is VALID [2022-02-20 23:56:09,126 INFO L290 TraceCheckUtils]: 20: Hoare triple {16789#true} goto; {16789#true} is VALID [2022-02-20 23:56:09,126 INFO L290 TraceCheckUtils]: 21: Hoare triple {16789#true} main_~marked~0#1 := 0; {16789#true} is VALID [2022-02-20 23:56:09,126 INFO L290 TraceCheckUtils]: 22: Hoare triple {16789#true} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {16789#true} is VALID [2022-02-20 23:56:09,126 INFO L290 TraceCheckUtils]: 23: Hoare triple {16789#true} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {16789#true} is VALID [2022-02-20 23:56:09,126 INFO L290 TraceCheckUtils]: 24: Hoare triple {16789#true} assume main_#t~short9#1; {16789#true} is VALID [2022-02-20 23:56:09,126 INFO L290 TraceCheckUtils]: 25: Hoare triple {16789#true} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {16882#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem7#1.offset|) (= |ULTIMATE.start_main_#t~mem7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))} is VALID [2022-02-20 23:56:09,127 INFO L290 TraceCheckUtils]: 26: Hoare triple {16882#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_#t~mem7#1.offset|) (= |ULTIMATE.start_main_#t~mem7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)))} SUMMARY for call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4); srcloc: L1027-4 {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:09,127 INFO L290 TraceCheckUtils]: 27: Hoare triple {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} main_#t~short9#1 := 0 == main_#t~mem8#1; {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:09,128 INFO L290 TraceCheckUtils]: 28: Hoare triple {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:09,128 INFO L290 TraceCheckUtils]: 29: Hoare triple {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1036-6 {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:09,129 INFO L290 TraceCheckUtils]: 30: Hoare triple {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:09,129 INFO L290 TraceCheckUtils]: 31: Hoare triple {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:09,130 INFO L290 TraceCheckUtils]: 32: Hoare triple {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1; {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:09,130 INFO L290 TraceCheckUtils]: 33: Hoare triple {16886#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1035 {16908#(and (<= 0 (+ 4 |ULTIMATE.start_main_#t~mem15#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_#t~mem15#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem15#1.base|)))} is VALID [2022-02-20 23:56:09,131 INFO L290 TraceCheckUtils]: 34: Hoare triple {16908#(and (<= 0 (+ 4 |ULTIMATE.start_main_#t~mem15#1.offset|)) (<= (+ 8 |ULTIMATE.start_main_#t~mem15#1.offset|) (select |#length| |ULTIMATE.start_main_#t~mem15#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {16912#(and (<= 0 (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 23:56:09,131 INFO L290 TraceCheckUtils]: 35: Hoare triple {16912#(and (<= 0 (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (<= (+ 8 |ULTIMATE.start_main_~x~0#1.offset|) (select |#length| |ULTIMATE.start_main_~x~0#1.base|)))} assume !(4 + (4 + main_~x~0#1.offset) <= #length[main_~x~0#1.base] && 0 <= 4 + main_~x~0#1.offset); {16790#false} is VALID [2022-02-20 23:56:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:56:09,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:56:09,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470375862] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:56:09,131 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 23:56:09,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2022-02-20 23:56:09,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155788987] [2022-02-20 23:56:09,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:56:09,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 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 36 [2022-02-20 23:56:09,132 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:09,132 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,155 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:09,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:56:09,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:09,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:56:09,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-02-20 23:56:09,156 INFO L87 Difference]: Start difference. First operand 238 states and 279 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:09,784 INFO L93 Difference]: Finished difference Result 250 states and 286 transitions. [2022-02-20 23:56:09,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:56:09,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 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 36 [2022-02-20 23:56:09,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:09,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 171 transitions. [2022-02-20 23:56:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 171 transitions. [2022-02-20 23:56:09,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 171 transitions. [2022-02-20 23:56:09,907 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 171 edges. 171 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:09,910 INFO L225 Difference]: With dead ends: 250 [2022-02-20 23:56:09,910 INFO L226 Difference]: Without dead ends: 250 [2022-02-20 23:56:09,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-02-20 23:56:09,910 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 69 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:09,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 407 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:56:09,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-02-20 23:56:09,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 236. [2022-02-20 23:56:09,913 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:09,913 INFO L82 GeneralOperation]: Start isEquivalent. First operand 250 states. Second operand has 236 states, 201 states have (on average 1.36318407960199) internal successors, (274), 235 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,913 INFO L74 IsIncluded]: Start isIncluded. First operand 250 states. Second operand has 236 states, 201 states have (on average 1.36318407960199) internal successors, (274), 235 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,913 INFO L87 Difference]: Start difference. First operand 250 states. Second operand has 236 states, 201 states have (on average 1.36318407960199) internal successors, (274), 235 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:09,916 INFO L93 Difference]: Finished difference Result 250 states and 286 transitions. [2022-02-20 23:56:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 286 transitions. [2022-02-20 23:56:09,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:09,916 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:09,917 INFO L74 IsIncluded]: Start isIncluded. First operand has 236 states, 201 states have (on average 1.36318407960199) internal successors, (274), 235 states have internal predecessors, (274), 0 states have call successors, (0), 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 250 states. [2022-02-20 23:56:09,917 INFO L87 Difference]: Start difference. First operand has 236 states, 201 states have (on average 1.36318407960199) internal successors, (274), 235 states have internal predecessors, (274), 0 states have call successors, (0), 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 250 states. [2022-02-20 23:56:09,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:09,919 INFO L93 Difference]: Finished difference Result 250 states and 286 transitions. [2022-02-20 23:56:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 286 transitions. [2022-02-20 23:56:09,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:09,920 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:09,920 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:09,920 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 201 states have (on average 1.36318407960199) internal successors, (274), 235 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 274 transitions. [2022-02-20 23:56:09,923 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 274 transitions. Word has length 36 [2022-02-20 23:56:09,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:09,923 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 274 transitions. [2022-02-20 23:56:09,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 274 transitions. [2022-02-20 23:56:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:56:09,923 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:09,923 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:09,955 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 23:56:10,136 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 23:56:10,137 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:56:10,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:10,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1546801846, now seen corresponding path program 1 times [2022-02-20 23:56:10,137 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:10,137 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054654905] [2022-02-20 23:56:10,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:10,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:10,478 INFO L290 TraceCheckUtils]: 0: Hoare triple {17907#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(15, 2); {17907#true} is VALID [2022-02-20 23:56:10,479 INFO L290 TraceCheckUtils]: 1: Hoare triple {17907#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {17909#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} is VALID [2022-02-20 23:56:10,479 INFO L290 TraceCheckUtils]: 2: Hoare triple {17909#(= |ULTIMATE.start_main_~head~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:10,480 INFO L290 TraceCheckUtils]: 3: Hoare triple {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:10,480 INFO L290 TraceCheckUtils]: 4: Hoare triple {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {17911#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:10,480 INFO L290 TraceCheckUtils]: 5: Hoare triple {17911#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17911#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:10,481 INFO L290 TraceCheckUtils]: 6: Hoare triple {17911#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {17912#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:56:10,482 INFO L290 TraceCheckUtils]: 7: Hoare triple {17912#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {17913#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,482 INFO L290 TraceCheckUtils]: 8: Hoare triple {17913#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {17913#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,483 INFO L290 TraceCheckUtils]: 9: Hoare triple {17913#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {17914#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,483 INFO L290 TraceCheckUtils]: 10: Hoare triple {17914#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {17915#(and (or (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,484 INFO L290 TraceCheckUtils]: 11: Hoare triple {17915#(and (or (and (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,484 INFO L290 TraceCheckUtils]: 12: Hoare triple {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,485 INFO L290 TraceCheckUtils]: 13: Hoare triple {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {17917#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~marked~0#1| 0))} is VALID [2022-02-20 23:56:10,486 INFO L290 TraceCheckUtils]: 14: Hoare triple {17917#(or (and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~marked~0#1| 0))} assume 0 != main_~marked~0#1; {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,486 INFO L290 TraceCheckUtils]: 15: Hoare triple {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {17918#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,487 INFO L290 TraceCheckUtils]: 16: Hoare triple {17918#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17918#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,487 INFO L290 TraceCheckUtils]: 17: Hoare triple {17918#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {17918#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,488 INFO L290 TraceCheckUtils]: 18: Hoare triple {17918#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,488 INFO L290 TraceCheckUtils]: 19: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,488 INFO L290 TraceCheckUtils]: 20: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,489 INFO L290 TraceCheckUtils]: 21: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_~marked~0#1 := 0; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,489 INFO L290 TraceCheckUtils]: 22: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,490 INFO L290 TraceCheckUtils]: 23: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,490 INFO L290 TraceCheckUtils]: 24: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short9#1; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,490 INFO L290 TraceCheckUtils]: 25: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,491 INFO L290 TraceCheckUtils]: 26: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4); srcloc: L1027-4 {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,491 INFO L290 TraceCheckUtils]: 27: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short9#1 := 0 == main_#t~mem8#1; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,492 INFO L290 TraceCheckUtils]: 28: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,492 INFO L290 TraceCheckUtils]: 29: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1036-6 {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,492 INFO L290 TraceCheckUtils]: 30: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,493 INFO L290 TraceCheckUtils]: 31: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,493 INFO L290 TraceCheckUtils]: 32: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1; {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:10,494 INFO L290 TraceCheckUtils]: 33: Hoare triple {17919#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1035 {17920#(and (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem15#1.base|) 4) 1) (= |ULTIMATE.start_main_#t~mem15#1.offset| 0))} is VALID [2022-02-20 23:56:10,494 INFO L290 TraceCheckUtils]: 34: Hoare triple {17920#(and (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem15#1.base|) 4) 1) (= |ULTIMATE.start_main_#t~mem15#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {17921#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:56:10,495 INFO L290 TraceCheckUtils]: 35: Hoare triple {17921#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1036-5 {17922#(= |ULTIMATE.start_main_#t~mem16#1| 1)} is VALID [2022-02-20 23:56:10,495 INFO L290 TraceCheckUtils]: 36: Hoare triple {17922#(= |ULTIMATE.start_main_#t~mem16#1| 1)} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {17908#false} is VALID [2022-02-20 23:56:10,495 INFO L290 TraceCheckUtils]: 37: Hoare triple {17908#false} assume !false; {17908#false} is VALID [2022-02-20 23:56:10,495 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 23:56:10,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:10,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054654905] [2022-02-20 23:56:10,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054654905] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:56:10,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871977383] [2022-02-20 23:56:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:10,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:10,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:10,497 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 23:56:10,498 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 23:56:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:10,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 61 conjunts are in the unsatisfiable core [2022-02-20 23:56:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:10,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:10,601 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 23:56:10,663 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:56:10,664 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 23:56:10,694 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 23:56:10,700 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 23:56:10,839 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:10,839 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 23:56:10,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:56:10,847 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 23:56:10,998 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:10,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 47 [2022-02-20 23:56:11,025 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 23:56:11,055 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 23:56:12,493 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:12,494 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 29 treesize of output 17 [2022-02-20 23:56:12,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:12,561 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 23:56:12,669 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 23:56:12,673 INFO L290 TraceCheckUtils]: 0: Hoare triple {17907#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(15, 2); {17907#true} is VALID [2022-02-20 23:56:12,673 INFO L290 TraceCheckUtils]: 1: Hoare triple {17907#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:12,674 INFO L290 TraceCheckUtils]: 2: Hoare triple {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:12,674 INFO L290 TraceCheckUtils]: 3: Hoare triple {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:12,675 INFO L290 TraceCheckUtils]: 4: Hoare triple {17910#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {17911#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:12,675 INFO L290 TraceCheckUtils]: 5: Hoare triple {17911#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17911#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:12,676 INFO L290 TraceCheckUtils]: 6: Hoare triple {17911#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {17912#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:56:12,678 INFO L290 TraceCheckUtils]: 7: Hoare triple {17912#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {17913#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,678 INFO L290 TraceCheckUtils]: 8: Hoare triple {17913#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {17913#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,679 INFO L290 TraceCheckUtils]: 9: Hoare triple {17913#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {17953#(and (<= |ULTIMATE.start_main_#t~mem4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,679 INFO L290 TraceCheckUtils]: 10: Hoare triple {17953#(and (<= |ULTIMATE.start_main_#t~mem4#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {17957#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,680 INFO L290 TraceCheckUtils]: 11: Hoare triple {17957#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= |ULTIMATE.start_main_~x~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,681 INFO L290 TraceCheckUtils]: 12: Hoare triple {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,681 INFO L290 TraceCheckUtils]: 13: Hoare triple {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,682 INFO L290 TraceCheckUtils]: 14: Hoare triple {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_~marked~0#1; {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,683 INFO L290 TraceCheckUtils]: 15: Hoare triple {17916#(and (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {17973#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,684 INFO L290 TraceCheckUtils]: 16: Hoare triple {17973#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {17973#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,684 INFO L290 TraceCheckUtils]: 17: Hoare triple {17973#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {17973#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:12,685 INFO L290 TraceCheckUtils]: 18: Hoare triple {17973#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (<= (+ |ULTIMATE.start_main_~head~0#1.offset| 1) |ULTIMATE.start_main_~x~0#1.offset|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {17983#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,686 INFO L290 TraceCheckUtils]: 19: Hoare triple {17983#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {17983#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,687 INFO L290 TraceCheckUtils]: 20: Hoare triple {17983#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} goto; {17983#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,687 INFO L290 TraceCheckUtils]: 21: Hoare triple {17983#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_~marked~0#1 := 0; {17983#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,688 INFO L290 TraceCheckUtils]: 22: Hoare triple {17983#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,689 INFO L290 TraceCheckUtils]: 23: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,690 INFO L290 TraceCheckUtils]: 24: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume main_#t~short9#1; {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,690 INFO L290 TraceCheckUtils]: 25: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,691 INFO L290 TraceCheckUtils]: 26: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4); srcloc: L1027-4 {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,692 INFO L290 TraceCheckUtils]: 27: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short9#1 := 0 == main_#t~mem8#1; {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,693 INFO L290 TraceCheckUtils]: 28: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,693 INFO L290 TraceCheckUtils]: 29: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1036-6 {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,696 INFO L290 TraceCheckUtils]: 30: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,697 INFO L290 TraceCheckUtils]: 31: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,697 INFO L290 TraceCheckUtils]: 32: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1; {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} is VALID [2022-02-20 23:56:12,698 INFO L290 TraceCheckUtils]: 33: Hoare triple {17996#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_79| Int)) (and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_79|))) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_79|) (not (<= 1 |v_ULTIMATE.start_main_~x~0#1.offset_79|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) 0) 0))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1035 {17920#(and (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem15#1.base|) 4) 1) (= |ULTIMATE.start_main_#t~mem15#1.offset| 0))} is VALID [2022-02-20 23:56:12,698 INFO L290 TraceCheckUtils]: 34: Hoare triple {17920#(and (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem15#1.base|) 4) 1) (= |ULTIMATE.start_main_#t~mem15#1.offset| 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {17921#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:56:12,699 INFO L290 TraceCheckUtils]: 35: Hoare triple {17921#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1036-5 {17922#(= |ULTIMATE.start_main_#t~mem16#1| 1)} is VALID [2022-02-20 23:56:12,699 INFO L290 TraceCheckUtils]: 36: Hoare triple {17922#(= |ULTIMATE.start_main_#t~mem16#1| 1)} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {17908#false} is VALID [2022-02-20 23:56:12,700 INFO L290 TraceCheckUtils]: 37: Hoare triple {17908#false} assume !false; {17908#false} is VALID [2022-02-20 23:56:12,700 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 23:56:12,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:56:13,108 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 77 treesize of output 57 [2022-02-20 23:56:14,459 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:14,459 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 60 [2022-02-20 23:56:14,472 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:14,472 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 60 treesize of output 60 [2022-02-20 23:56:14,501 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:14,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 81 [2022-02-20 23:56:14,530 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:14,530 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 92 treesize of output 95 [2022-02-20 23:56:14,569 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 64 treesize of output 62 [2022-02-20 23:56:14,586 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 62 treesize of output 60 [2022-02-20 23:56:14,608 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 60 treesize of output 58 [2022-02-20 23:56:15,114 INFO L290 TraceCheckUtils]: 37: Hoare triple {17908#false} assume !false; {17908#false} is VALID [2022-02-20 23:56:15,114 INFO L290 TraceCheckUtils]: 36: Hoare triple {17922#(= |ULTIMATE.start_main_#t~mem16#1| 1)} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {17908#false} is VALID [2022-02-20 23:56:15,115 INFO L290 TraceCheckUtils]: 35: Hoare triple {18048#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} SUMMARY for call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1036-5 {17922#(= |ULTIMATE.start_main_#t~mem16#1| 1)} is VALID [2022-02-20 23:56:15,115 INFO L290 TraceCheckUtils]: 34: Hoare triple {18052#(= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem15#1.base|) (+ 4 |ULTIMATE.start_main_#t~mem15#1.offset|)) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {18048#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} is VALID [2022-02-20 23:56:15,116 INFO L290 TraceCheckUtils]: 33: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1035 {18052#(= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem15#1.base|) (+ 4 |ULTIMATE.start_main_#t~mem15#1.offset|)) 1)} is VALID [2022-02-20 23:56:15,116 INFO L290 TraceCheckUtils]: 32: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1; {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,116 INFO L290 TraceCheckUtils]: 31: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,117 INFO L290 TraceCheckUtils]: 30: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,117 INFO L290 TraceCheckUtils]: 29: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} SUMMARY for call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1036-6 {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,118 INFO L290 TraceCheckUtils]: 28: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,118 INFO L290 TraceCheckUtils]: 27: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} main_#t~short9#1 := 0 == main_#t~mem8#1; {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,119 INFO L290 TraceCheckUtils]: 26: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} SUMMARY for call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4); srcloc: L1027-4 {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,119 INFO L290 TraceCheckUtils]: 25: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,119 INFO L290 TraceCheckUtils]: 24: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume main_#t~short9#1; {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,120 INFO L290 TraceCheckUtils]: 23: Hoare triple {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,120 INFO L290 TraceCheckUtils]: 22: Hoare triple {18090#(or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {18056#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 23:56:15,121 INFO L290 TraceCheckUtils]: 21: Hoare triple {18090#(or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} main_~marked~0#1 := 0; {18090#(or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:56:15,121 INFO L290 TraceCheckUtils]: 20: Hoare triple {18090#(or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} goto; {18090#(or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:56:15,122 INFO L290 TraceCheckUtils]: 19: Hoare triple {18090#(or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {18090#(or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:56:15,122 INFO L290 TraceCheckUtils]: 18: Hoare triple {18103#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 4)) 1) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {18090#(or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1) (< |ULTIMATE.start_main_~x~0#1.offset| 0))} is VALID [2022-02-20 23:56:15,123 INFO L290 TraceCheckUtils]: 17: Hoare triple {18103#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 4)) 1) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {18103#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 4)) 1) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:15,124 INFO L290 TraceCheckUtils]: 16: Hoare triple {18103#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 4)) 1) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {18103#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 4)) 1) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:15,126 INFO L290 TraceCheckUtils]: 15: Hoare triple {18113#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {18103#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 4)) 1) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:15,127 INFO L290 TraceCheckUtils]: 14: Hoare triple {18113#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} assume 0 != main_~marked~0#1; {18113#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:15,128 INFO L290 TraceCheckUtils]: 13: Hoare triple {18113#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {18113#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:15,129 INFO L290 TraceCheckUtils]: 12: Hoare triple {18113#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {18113#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:15,143 WARN L290 TraceCheckUtils]: 11: Hoare triple {18126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|)))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {18113#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is UNKNOWN [2022-02-20 23:56:15,144 INFO L290 TraceCheckUtils]: 10: Hoare triple {18130#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (or (< |ULTIMATE.start_main_#t~mem4#1.offset| 0) (forall ((v_ArrVal_680 (Array Int Int))) (<= |ULTIMATE.start_main_#t~mem4#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|)))) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 0)) (< |ULTIMATE.start_main_#t~mem4#1.offset| 0)) (or (< |ULTIMATE.start_main_#t~mem4#1.offset| 0) (forall ((v_ArrVal_677 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {18126#(or (not (<= 0 |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (forall ((v_ArrVal_680 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) |ULTIMATE.start_main_~x~0#1.base|))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 23:56:15,146 INFO L290 TraceCheckUtils]: 9: Hoare triple {18134#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (and (or (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 0)) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {18130#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (and (or (< |ULTIMATE.start_main_#t~mem4#1.offset| 0) (forall ((v_ArrVal_680 (Array Int Int))) (<= |ULTIMATE.start_main_#t~mem4#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|)))) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 0)) (< |ULTIMATE.start_main_#t~mem4#1.offset| 0)) (or (< |ULTIMATE.start_main_#t~mem4#1.offset| 0) (forall ((v_ArrVal_677 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))))) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:15,148 INFO L290 TraceCheckUtils]: 8: Hoare triple {18134#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (and (or (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 0)) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {18134#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (and (or (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 0)) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:15,149 INFO L290 TraceCheckUtils]: 7: Hoare triple {18141#(and (or (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0))) (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_#t~malloc3#1.offset| 0)) (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {18134#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_81| Int)) (or (and (or (forall ((v_ArrVal_677 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_677) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|))) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (or (forall ((v_ArrVal_680 (Array Int Int))) (<= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_680) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_81|) 0)) (< (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))) (< |v_ULTIMATE.start_main_~x~0#1.offset_81| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_81| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:15,150 INFO L290 TraceCheckUtils]: 6: Hoare triple {18145#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {18141#(and (or (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0))) (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (or (and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_#t~malloc3#1.offset| 0)) (< |ULTIMATE.start_main_~head~0#1.offset| 0) (< |ULTIMATE.start_main_#t~malloc3#1.offset| 0)))} is VALID [2022-02-20 23:56:15,151 INFO L290 TraceCheckUtils]: 5: Hoare triple {18145#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {18145#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:15,154 INFO L290 TraceCheckUtils]: 4: Hoare triple {18152#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {18145#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:15,155 INFO L290 TraceCheckUtils]: 3: Hoare triple {18152#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {18152#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:15,155 INFO L290 TraceCheckUtils]: 2: Hoare triple {18152#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {18152#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:15,156 INFO L290 TraceCheckUtils]: 1: Hoare triple {17907#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {18152#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_15| Int)) (or (and (or (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_15| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_15|) 0))))} is VALID [2022-02-20 23:56:15,156 INFO L290 TraceCheckUtils]: 0: Hoare triple {17907#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(15, 2); {17907#true} is VALID [2022-02-20 23:56:15,156 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 23:56:15,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871977383] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:56:15,157 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:56:15,157 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 33 [2022-02-20 23:56:15,157 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785981871] [2022-02-20 23:56:15,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:56:15,157 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 23:56:15,158 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:15,158 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:15,243 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 98 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:15,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-20 23:56:15,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:15,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-20 23:56:15,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=948, Unknown=2, NotChecked=0, Total=1056 [2022-02-20 23:56:15,245 INFO L87 Difference]: Start difference. First operand 236 states and 274 transitions. Second operand has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:17,572 INFO L93 Difference]: Finished difference Result 276 states and 315 transitions. [2022-02-20 23:56:17,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-20 23:56:17,572 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 23:56:17,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:17,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:17,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 242 transitions. [2022-02-20 23:56:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 242 transitions. [2022-02-20 23:56:17,575 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 242 transitions. [2022-02-20 23:56:17,747 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 242 edges. 242 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:17,751 INFO L225 Difference]: With dead ends: 276 [2022-02-20 23:56:17,751 INFO L226 Difference]: Without dead ends: 276 [2022-02-20 23:56:17,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 57 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=172, Invalid=1466, Unknown=2, NotChecked=0, Total=1640 [2022-02-20 23:56:17,752 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 145 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 1316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 495 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:17,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 1848 Invalid, 1316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 795 Invalid, 0 Unknown, 495 Unchecked, 0.6s Time] [2022-02-20 23:56:17,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-02-20 23:56:17,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 244. [2022-02-20 23:56:17,754 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:17,755 INFO L82 GeneralOperation]: Start isEquivalent. First operand 276 states. Second operand has 244 states, 209 states have (on average 1.3588516746411483) internal successors, (284), 243 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:17,755 INFO L74 IsIncluded]: Start isIncluded. First operand 276 states. Second operand has 244 states, 209 states have (on average 1.3588516746411483) internal successors, (284), 243 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:17,755 INFO L87 Difference]: Start difference. First operand 276 states. Second operand has 244 states, 209 states have (on average 1.3588516746411483) internal successors, (284), 243 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:17,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:17,758 INFO L93 Difference]: Finished difference Result 276 states and 315 transitions. [2022-02-20 23:56:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 315 transitions. [2022-02-20 23:56:17,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:17,759 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:17,759 INFO L74 IsIncluded]: Start isIncluded. First operand has 244 states, 209 states have (on average 1.3588516746411483) internal successors, (284), 243 states have internal predecessors, (284), 0 states have call successors, (0), 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 276 states. [2022-02-20 23:56:17,759 INFO L87 Difference]: Start difference. First operand has 244 states, 209 states have (on average 1.3588516746411483) internal successors, (284), 243 states have internal predecessors, (284), 0 states have call successors, (0), 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 276 states. [2022-02-20 23:56:17,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:17,763 INFO L93 Difference]: Finished difference Result 276 states and 315 transitions. [2022-02-20 23:56:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 315 transitions. [2022-02-20 23:56:17,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:17,763 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:17,763 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:17,763 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 209 states have (on average 1.3588516746411483) internal successors, (284), 243 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 284 transitions. [2022-02-20 23:56:17,766 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 284 transitions. Word has length 38 [2022-02-20 23:56:17,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:17,767 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 284 transitions. [2022-02-20 23:56:17,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.0) internal successors, (99), 33 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 284 transitions. [2022-02-20 23:56:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:56:17,767 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:17,768 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:17,787 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 23:56:17,980 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 23:56:17,980 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:56:17,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:17,981 INFO L85 PathProgramCache]: Analyzing trace with hash -247701985, now seen corresponding path program 2 times [2022-02-20 23:56:17,981 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:17,981 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102033577] [2022-02-20 23:56:17,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:18,237 INFO L290 TraceCheckUtils]: 0: Hoare triple {19253#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(15, 2); {19253#true} is VALID [2022-02-20 23:56:18,237 INFO L290 TraceCheckUtils]: 1: Hoare triple {19253#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {19253#true} is VALID [2022-02-20 23:56:18,237 INFO L290 TraceCheckUtils]: 2: Hoare triple {19253#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {19255#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:18,237 INFO L290 TraceCheckUtils]: 3: Hoare triple {19255#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {19255#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:18,238 INFO L290 TraceCheckUtils]: 4: Hoare triple {19255#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {19256#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:18,238 INFO L290 TraceCheckUtils]: 5: Hoare triple {19256#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19256#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:18,239 INFO L290 TraceCheckUtils]: 6: Hoare triple {19256#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {19257#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} is VALID [2022-02-20 23:56:18,240 INFO L290 TraceCheckUtils]: 7: Hoare triple {19257#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {19258#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:18,240 INFO L290 TraceCheckUtils]: 8: Hoare triple {19258#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {19258#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 23:56:18,240 INFO L290 TraceCheckUtils]: 9: Hoare triple {19258#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {19259#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:18,241 INFO L290 TraceCheckUtils]: 10: Hoare triple {19259#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {19260#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:18,242 INFO L290 TraceCheckUtils]: 11: Hoare triple {19260#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {19260#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:18,242 INFO L290 TraceCheckUtils]: 12: Hoare triple {19260#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {19260#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:18,242 INFO L290 TraceCheckUtils]: 13: Hoare triple {19260#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {19261#(or (= |ULTIMATE.start_main_~marked~0#1| 0) (and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|))))} is VALID [2022-02-20 23:56:18,243 INFO L290 TraceCheckUtils]: 14: Hoare triple {19261#(or (= |ULTIMATE.start_main_~marked~0#1| 0) (and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|))))} assume 0 != main_~marked~0#1; {19262#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:56:18,244 INFO L290 TraceCheckUtils]: 15: Hoare triple {19262#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {19262#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:56:18,244 INFO L290 TraceCheckUtils]: 16: Hoare triple {19262#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19262#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 23:56:18,245 INFO L290 TraceCheckUtils]: 17: Hoare triple {19262#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {19263#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:18,245 INFO L290 TraceCheckUtils]: 18: Hoare triple {19263#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {19264#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:18,246 INFO L290 TraceCheckUtils]: 19: Hoare triple {19264#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {19264#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:18,246 INFO L290 TraceCheckUtils]: 20: Hoare triple {19264#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {19265#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:18,247 INFO L290 TraceCheckUtils]: 21: Hoare triple {19265#(and (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:18,259 INFO L290 TraceCheckUtils]: 22: Hoare triple {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:18,272 INFO L290 TraceCheckUtils]: 23: Hoare triple {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:18,272 INFO L290 TraceCheckUtils]: 24: Hoare triple {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:18,273 INFO L290 TraceCheckUtils]: 25: Hoare triple {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 != main_~marked~0#1; {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:18,273 INFO L290 TraceCheckUtils]: 26: Hoare triple {19266#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {19267#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,274 INFO L290 TraceCheckUtils]: 27: Hoare triple {19267#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19267#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,274 INFO L290 TraceCheckUtils]: 28: Hoare triple {19267#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {19267#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,274 INFO L290 TraceCheckUtils]: 29: Hoare triple {19267#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,275 INFO L290 TraceCheckUtils]: 30: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,275 INFO L290 TraceCheckUtils]: 31: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} goto; {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,275 INFO L290 TraceCheckUtils]: 32: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} main_~marked~0#1 := 0; {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,276 INFO L290 TraceCheckUtils]: 33: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,276 INFO L290 TraceCheckUtils]: 34: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,276 INFO L290 TraceCheckUtils]: 35: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume main_#t~short9#1; {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:18,277 INFO L290 TraceCheckUtils]: 36: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {19269#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} is VALID [2022-02-20 23:56:18,277 INFO L290 TraceCheckUtils]: 37: Hoare triple {19269#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} assume !(1 == #valid[main_#t~mem7#1.base]); {19254#false} is VALID [2022-02-20 23:56:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:18,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:18,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102033577] [2022-02-20 23:56:18,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102033577] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:56:18,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190425101] [2022-02-20 23:56:18,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 23:56:18,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:18,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:18,279 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 23:56:18,295 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 23:56:18,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 23:56:18,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 23:56:18,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 46 conjunts are in the unsatisfiable core [2022-02-20 23:56:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:18,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:18,423 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 23:56:18,493 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:56:18,493 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 23:56:18,538 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 23:56:18,689 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:18,690 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 23:56:18,747 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:56:18,748 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 23:56:18,776 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:56:18,777 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 23:56:18,840 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-02-20 23:56:18,841 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 1 case distinctions, treesize of input 27 treesize of output 22 [2022-02-20 23:56:19,037 INFO L356 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-02-20 23:56:19,038 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 49 [2022-02-20 23:56:19,071 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 12 treesize of output 8 [2022-02-20 23:56:19,250 INFO L356 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-02-20 23:56:19,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 56 [2022-02-20 23:56:19,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:56:19,481 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:19,481 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 23:56:19,503 INFO L290 TraceCheckUtils]: 0: Hoare triple {19253#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(15, 2); {19253#true} is VALID [2022-02-20 23:56:19,503 INFO L290 TraceCheckUtils]: 1: Hoare triple {19253#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {19276#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:19,504 INFO L290 TraceCheckUtils]: 2: Hoare triple {19276#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {19276#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:19,504 INFO L290 TraceCheckUtils]: 3: Hoare triple {19276#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {19276#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:19,505 INFO L290 TraceCheckUtils]: 4: Hoare triple {19276#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {19286#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:19,505 INFO L290 TraceCheckUtils]: 5: Hoare triple {19286#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19286#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:19,506 INFO L290 TraceCheckUtils]: 6: Hoare triple {19286#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {19293#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 23:56:19,506 INFO L290 TraceCheckUtils]: 7: Hoare triple {19293#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {19297#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:56:19,507 INFO L290 TraceCheckUtils]: 8: Hoare triple {19297#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {19297#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} is VALID [2022-02-20 23:56:19,507 INFO L290 TraceCheckUtils]: 9: Hoare triple {19297#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {19304#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:19,508 INFO L290 TraceCheckUtils]: 10: Hoare triple {19304#(and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,508 INFO L290 TraceCheckUtils]: 11: Hoare triple {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,509 INFO L290 TraceCheckUtils]: 12: Hoare triple {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,509 INFO L290 TraceCheckUtils]: 13: Hoare triple {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,510 INFO L290 TraceCheckUtils]: 14: Hoare triple {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume 0 != main_~marked~0#1; {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,510 INFO L290 TraceCheckUtils]: 15: Hoare triple {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,511 INFO L290 TraceCheckUtils]: 16: Hoare triple {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,511 INFO L290 TraceCheckUtils]: 17: Hoare triple {19308#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {19330#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,512 INFO L290 TraceCheckUtils]: 18: Hoare triple {19330#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {19334#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,513 INFO L290 TraceCheckUtils]: 19: Hoare triple {19334#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {19334#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} is VALID [2022-02-20 23:56:19,513 INFO L290 TraceCheckUtils]: 20: Hoare triple {19334#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {19341#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:19,514 INFO L290 TraceCheckUtils]: 21: Hoare triple {19341#(and (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {19345#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:19,515 INFO L290 TraceCheckUtils]: 22: Hoare triple {19345#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {19349#(and (or (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:19,516 INFO L290 TraceCheckUtils]: 23: Hoare triple {19349#(and (or (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {19349#(and (or (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:19,516 INFO L290 TraceCheckUtils]: 24: Hoare triple {19349#(and (or (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {19349#(and (or (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:19,517 INFO L290 TraceCheckUtils]: 25: Hoare triple {19349#(and (or (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume 0 != main_~marked~0#1; {19349#(and (or (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:19,518 INFO L290 TraceCheckUtils]: 26: Hoare triple {19349#(and (or (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (exists ((|ULTIMATE.start_main_~x~0#1.offset| Int)) (and (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|))))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {19362#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:19,518 INFO L290 TraceCheckUtils]: 27: Hoare triple {19362#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19362#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:19,519 INFO L290 TraceCheckUtils]: 28: Hoare triple {19362#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {19362#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:19,519 INFO L290 TraceCheckUtils]: 29: Hoare triple {19362#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 1))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19372#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:19,520 INFO L290 TraceCheckUtils]: 30: Hoare triple {19372#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {19372#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:19,520 INFO L290 TraceCheckUtils]: 31: Hoare triple {19372#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} goto; {19372#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:19,520 INFO L290 TraceCheckUtils]: 32: Hoare triple {19372#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} main_~marked~0#1 := 0; {19372#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:19,522 INFO L290 TraceCheckUtils]: 33: Hoare triple {19372#(and (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {19385#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:19,522 INFO L290 TraceCheckUtils]: 34: Hoare triple {19385#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {19385#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:19,522 INFO L290 TraceCheckUtils]: 35: Hoare triple {19385#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} assume main_#t~short9#1; {19385#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} is VALID [2022-02-20 23:56:19,523 INFO L290 TraceCheckUtils]: 36: Hoare triple {19385#(and (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0) |ULTIMATE.start_main_~x~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) 0)) 1))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {19269#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} is VALID [2022-02-20 23:56:19,523 INFO L290 TraceCheckUtils]: 37: Hoare triple {19269#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} assume !(1 == #valid[main_#t~mem7#1.base]); {19254#false} is VALID [2022-02-20 23:56:19,524 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:19,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:56:20,571 INFO L356 Elim1Store]: treesize reduction 5, result has 78.3 percent of original size [2022-02-20 23:56:20,571 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 27 treesize of output 26 [2022-02-20 23:56:20,627 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |c_ULTIMATE.start_main_#t~malloc3#1.base|)) |c_ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_797) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) |c_ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2022-02-20 23:56:21,281 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:21,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2022-02-20 23:56:21,369 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (let ((.cse0 (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |c_ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) .cse0 v_ArrVal_797) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) |c_ULTIMATE.start_main_~x~0#1.base|) (not (= (select |c_#valid| .cse0) 0))))) is different from false [2022-02-20 23:56:22,079 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (let ((.cse0 (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |c_ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |c_#valid| .cse0) 0)) (= |c_ULTIMATE.start_main_#t~mem4#1.base| (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_7) .cse0 v_ArrVal_797) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|))))) is different from false [2022-02-20 23:56:22,218 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_88| Int) (v_ArrVal_797 (Array Int Int))) (let ((.cse1 (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_88|))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |c_ULTIMATE.start_main_~head~0#1.offset|)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (= .cse0 (select (select (store (store |c_#memory_$Pointer$.base| .cse0 v_arrayElimArr_7) .cse1 v_ArrVal_797) |c_ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|))) (not (= 0 (select |c_#valid| .cse1)))))) is different from false [2022-02-20 23:56:22,535 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:22,536 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 23 treesize of output 24 [2022-02-20 23:56:22,577 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:22,578 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 134 treesize of output 133 [2022-02-20 23:56:22,622 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 118 treesize of output 110 [2022-02-20 23:56:22,663 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:56:22,663 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 118 treesize of output 108 [2022-02-20 23:56:22,708 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:56:22,709 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 23:56:23,259 INFO L290 TraceCheckUtils]: 37: Hoare triple {19269#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} assume !(1 == #valid[main_#t~mem7#1.base]); {19254#false} is VALID [2022-02-20 23:56:23,259 INFO L290 TraceCheckUtils]: 36: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {19269#(= (select |#valid| |ULTIMATE.start_main_#t~mem7#1.base|) 1)} is VALID [2022-02-20 23:56:23,260 INFO L290 TraceCheckUtils]: 35: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} assume main_#t~short9#1; {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:23,260 INFO L290 TraceCheckUtils]: 34: Hoare triple {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:23,260 INFO L290 TraceCheckUtils]: 33: Hoare triple {19410#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {19268#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1)} is VALID [2022-02-20 23:56:23,260 INFO L290 TraceCheckUtils]: 32: Hoare triple {19410#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} main_~marked~0#1 := 0; {19410#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:23,261 INFO L290 TraceCheckUtils]: 31: Hoare triple {19410#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} goto; {19410#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:23,261 INFO L290 TraceCheckUtils]: 30: Hoare triple {19410#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {19410#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:23,262 INFO L290 TraceCheckUtils]: 29: Hoare triple {19423#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {19410#(or (< |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:23,262 INFO L290 TraceCheckUtils]: 28: Hoare triple {19423#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {19423#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,262 INFO L290 TraceCheckUtils]: 27: Hoare triple {19423#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19423#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,263 INFO L290 TraceCheckUtils]: 26: Hoare triple {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {19423#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int)) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,264 INFO L290 TraceCheckUtils]: 25: Hoare triple {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} assume 0 != main_~marked~0#1; {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,264 INFO L290 TraceCheckUtils]: 24: Hoare triple {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,265 INFO L290 TraceCheckUtils]: 23: Hoare triple {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,268 WARN L290 TraceCheckUtils]: 22: Hoare triple {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is UNKNOWN [2022-02-20 23:56:23,269 INFO L290 TraceCheckUtils]: 21: Hoare triple {19449#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {19433#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,270 INFO L290 TraceCheckUtils]: 20: Hoare triple {19453#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {19449#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,270 INFO L290 TraceCheckUtils]: 19: Hoare triple {19453#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {19453#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,275 WARN L290 TraceCheckUtils]: 18: Hoare triple {19460#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc3#1.base|)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {19453#(forall ((|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) 1) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is UNKNOWN [2022-02-20 23:56:23,278 WARN L290 TraceCheckUtils]: 17: Hoare triple {19464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_18| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_18|) 0)) (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_18| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {19460#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_#t~malloc3#1.base|)) |ULTIMATE.start_main_#t~malloc3#1.base| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is UNKNOWN [2022-02-20 23:56:23,279 INFO L290 TraceCheckUtils]: 16: Hoare triple {19464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_18| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_18|) 0)) (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_18| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_18| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_18|) 0)) (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_18| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))))} is VALID [2022-02-20 23:56:23,280 INFO L290 TraceCheckUtils]: 15: Hoare triple {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {19464#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_18| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_18|) 0)) (forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_18|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_18| v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) |ULTIMATE.start_main_~x~0#1.base|) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))))} is VALID [2022-02-20 23:56:23,282 WARN L290 TraceCheckUtils]: 14: Hoare triple {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} assume 0 != main_~marked~0#1; {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is UNKNOWN [2022-02-20 23:56:23,283 WARN L290 TraceCheckUtils]: 13: Hoare triple {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is UNKNOWN [2022-02-20 23:56:23,284 INFO L290 TraceCheckUtils]: 12: Hoare triple {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,286 WARN L290 TraceCheckUtils]: 11: Hoare triple {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is UNKNOWN [2022-02-20 23:56:23,287 INFO L290 TraceCheckUtils]: 10: Hoare triple {19487#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {19471#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,288 INFO L290 TraceCheckUtils]: 9: Hoare triple {19491#(forall ((v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_88| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_7) (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_88|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_88|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {19487#(forall ((|ULTIMATE.start_main_~x~0#1.offset| Int) (v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (not (= (select |#valid| (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem4#1.base| v_arrayElimArr_7) (select v_arrayElimArr_7 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,289 INFO L290 TraceCheckUtils]: 8: Hoare triple {19491#(forall ((v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_88| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_7) (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_88|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_88|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {19491#(forall ((v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_88| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_7) (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_88|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_88|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,290 INFO L290 TraceCheckUtils]: 7: Hoare triple {19498#(and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {19491#(forall ((v_arrayElimArr_7 (Array Int Int)) (|v_ULTIMATE.start_main_~x~0#1.offset_85| Int) (|v_ULTIMATE.start_main_~x~0#1.offset_88| Int) (v_ArrVal_797 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~x~0#1.offset_85| 0) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) v_arrayElimArr_7) (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_88|) v_ArrVal_797) |ULTIMATE.start_main_~head~0#1.base|) |v_ULTIMATE.start_main_~x~0#1.offset_85|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= (select |#valid| (select v_arrayElimArr_7 |v_ULTIMATE.start_main_~x~0#1.offset_88|)) 0)) (not (<= |v_ULTIMATE.start_main_~x~0#1.offset_85| |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 23:56:23,291 INFO L290 TraceCheckUtils]: 6: Hoare triple {19502#(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)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {19498#(and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 23:56:23,292 INFO L290 TraceCheckUtils]: 5: Hoare triple {19502#(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)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {19502#(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)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:56:23,292 INFO L290 TraceCheckUtils]: 4: Hoare triple {19509#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0))))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {19502#(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)) (and (or (<= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (or (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (< |ULTIMATE.start_main_~head~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 23:56:23,293 INFO L290 TraceCheckUtils]: 3: Hoare triple {19509#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0))))} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {19509#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0))))} is VALID [2022-02-20 23:56:23,294 INFO L290 TraceCheckUtils]: 2: Hoare triple {19509#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0))))} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {19509#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0))))} is VALID [2022-02-20 23:56:23,294 INFO L290 TraceCheckUtils]: 1: Hoare triple {19253#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {19509#(forall ((|v_ULTIMATE.start_main_#t~malloc3#1.base_20| Int)) (or (and (or (< |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |v_ULTIMATE.start_main_#t~malloc3#1.base_20| |ULTIMATE.start_main_~head~0#1.base|))) (<= |ULTIMATE.start_main_~head~0#1.offset| 0)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_20|) 0))))} is VALID [2022-02-20 23:56:23,295 INFO L290 TraceCheckUtils]: 0: Hoare triple {19253#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(15, 2); {19253#true} is VALID [2022-02-20 23:56:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 9 not checked. [2022-02-20 23:56:23,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190425101] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:56:23,295 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:56:23,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 43 [2022-02-20 23:56:23,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087657235] [2022-02-20 23:56:23,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:56:23,296 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 2.488372093023256) internal successors, (107), 44 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 23:56:23,296 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:56:23,296 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 44 states, 43 states have (on average 2.488372093023256) internal successors, (107), 44 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:23,392 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 100 inductive. 0 not inductive. 7 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:23,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-20 23:56:23,392 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:56:23,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-20 23:56:23,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1412, Unknown=11, NotChecked=316, Total=1892 [2022-02-20 23:56:23,393 INFO L87 Difference]: Start difference. First operand 244 states and 284 transitions. Second operand has 44 states, 43 states have (on average 2.488372093023256) internal successors, (107), 44 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:27,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:27,587 INFO L93 Difference]: Finished difference Result 489 states and 560 transitions. [2022-02-20 23:56:27,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-20 23:56:27,587 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 2.488372093023256) internal successors, (107), 44 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 23:56:27,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:56:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 2.488372093023256) internal successors, (107), 44 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 424 transitions. [2022-02-20 23:56:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 2.488372093023256) internal successors, (107), 44 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 424 transitions. [2022-02-20 23:56:27,595 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states and 424 transitions. [2022-02-20 23:56:27,873 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 424 edges. 424 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:56:27,882 INFO L225 Difference]: With dead ends: 489 [2022-02-20 23:56:27,882 INFO L226 Difference]: Without dead ends: 489 [2022-02-20 23:56:27,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=523, Invalid=3385, Unknown=14, NotChecked=500, Total=4422 [2022-02-20 23:56:27,883 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 673 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 2054 SdHoareTripleChecker+Invalid, 3577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1884 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:56:27,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [673 Valid, 2054 Invalid, 3577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1603 Invalid, 0 Unknown, 1884 Unchecked, 1.2s Time] [2022-02-20 23:56:27,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2022-02-20 23:56:27,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 275. [2022-02-20 23:56:27,886 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:56:27,887 INFO L82 GeneralOperation]: Start isEquivalent. First operand 489 states. Second operand has 275 states, 240 states have (on average 1.3375) internal successors, (321), 274 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:27,887 INFO L74 IsIncluded]: Start isIncluded. First operand 489 states. Second operand has 275 states, 240 states have (on average 1.3375) internal successors, (321), 274 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:27,887 INFO L87 Difference]: Start difference. First operand 489 states. Second operand has 275 states, 240 states have (on average 1.3375) internal successors, (321), 274 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:27,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:27,895 INFO L93 Difference]: Finished difference Result 489 states and 560 transitions. [2022-02-20 23:56:27,895 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 560 transitions. [2022-02-20 23:56:27,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:27,896 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:27,896 INFO L74 IsIncluded]: Start isIncluded. First operand has 275 states, 240 states have (on average 1.3375) internal successors, (321), 274 states have internal predecessors, (321), 0 states have call successors, (0), 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 489 states. [2022-02-20 23:56:27,896 INFO L87 Difference]: Start difference. First operand has 275 states, 240 states have (on average 1.3375) internal successors, (321), 274 states have internal predecessors, (321), 0 states have call successors, (0), 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 489 states. [2022-02-20 23:56:27,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:56:27,904 INFO L93 Difference]: Finished difference Result 489 states and 560 transitions. [2022-02-20 23:56:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 560 transitions. [2022-02-20 23:56:27,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:56:27,904 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:56:27,904 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:56:27,904 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:56:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 240 states have (on average 1.3375) internal successors, (321), 274 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:27,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 321 transitions. [2022-02-20 23:56:27,908 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 321 transitions. Word has length 38 [2022-02-20 23:56:27,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:56:27,908 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 321 transitions. [2022-02-20 23:56:27,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 2.488372093023256) internal successors, (107), 44 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:56:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 321 transitions. [2022-02-20 23:56:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:56:27,909 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:56:27,909 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:56:27,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 23:56:28,125 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 23:56:28,125 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 67 more)] === [2022-02-20 23:56:28,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:56:28,126 INFO L85 PathProgramCache]: Analyzing trace with hash -247701984, now seen corresponding path program 2 times [2022-02-20 23:56:28,126 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:56:28,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189998014] [2022-02-20 23:56:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:56:28,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:56:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:28,501 INFO L290 TraceCheckUtils]: 0: Hoare triple {21314#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(15, 2); {21314#true} is VALID [2022-02-20 23:56:28,502 INFO L290 TraceCheckUtils]: 1: Hoare triple {21314#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~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~short14#1, main_#t~malloc17#1.base, main_#t~malloc17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem22#1, main_#t~mem23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~mem20#1, main_#t~short21#1, main_#t~mem25#1, main_#t~mem26#1, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset; {21314#true} is VALID [2022-02-20 23:56:28,502 INFO L290 TraceCheckUtils]: 2: Hoare triple {21314#true} SUMMARY for call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4); srcloc: L997 {21316#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:28,502 INFO L290 TraceCheckUtils]: 3: Hoare triple {21316#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} SUMMARY for call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4); srcloc: L997-1 {21316#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} is VALID [2022-02-20 23:56:28,502 INFO L290 TraceCheckUtils]: 4: Hoare triple {21316#(= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {21317#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:28,503 INFO L290 TraceCheckUtils]: 5: Hoare triple {21317#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21317#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 23:56:28,503 INFO L290 TraceCheckUtils]: 6: Hoare triple {21317#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {21318#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8))} is VALID [2022-02-20 23:56:28,504 INFO L290 TraceCheckUtils]: 7: Hoare triple {21318#(and (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc3#1.base|) 1) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_#t~malloc3#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#length| |ULTIMATE.start_main_#t~malloc3#1.base|) 8))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {21319#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:28,505 INFO L290 TraceCheckUtils]: 8: Hoare triple {21319#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {21319#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} is VALID [2022-02-20 23:56:28,505 INFO L290 TraceCheckUtils]: 9: Hoare triple {21319#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 8) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 1))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {21320#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,506 INFO L290 TraceCheckUtils]: 10: Hoare triple {21320#(and (= 8 (select |#length| |ULTIMATE.start_main_#t~mem4#1.base|)) (= |ULTIMATE.start_main_#t~mem4#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select |#valid| |ULTIMATE.start_main_#t~mem4#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {21321#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,507 INFO L290 TraceCheckUtils]: 11: Hoare triple {21321#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {21321#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,507 INFO L290 TraceCheckUtils]: 12: Hoare triple {21321#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {21321#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,508 INFO L290 TraceCheckUtils]: 13: Hoare triple {21321#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {21322#(or (= |ULTIMATE.start_main_~marked~0#1| 0) (and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~x~0#1.base|))))} is VALID [2022-02-20 23:56:28,508 INFO L290 TraceCheckUtils]: 14: Hoare triple {21322#(or (= |ULTIMATE.start_main_~marked~0#1| 0) (and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~x~0#1.base|))))} assume 0 != main_~marked~0#1; {21323#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,509 INFO L290 TraceCheckUtils]: 15: Hoare triple {21323#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {21323#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,509 INFO L290 TraceCheckUtils]: 16: Hoare triple {21323#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21323#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,510 INFO L290 TraceCheckUtils]: 17: Hoare triple {21323#(and (= (+ (select |#length| |ULTIMATE.start_main_~x~0#1.base|) (- 8)) 0) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8); {21324#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,511 INFO L290 TraceCheckUtils]: 18: Hoare triple {21324#(and (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc3#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1007 {21325#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,511 INFO L290 TraceCheckUtils]: 19: Hoare triple {21325#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset; {21325#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,512 INFO L290 TraceCheckUtils]: 20: Hoare triple {21325#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1008 {21326#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,512 INFO L290 TraceCheckUtils]: 21: Hoare triple {21326#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_#t~mem4#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset; {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,513 INFO L290 TraceCheckUtils]: 22: Hoare triple {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1009 {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,513 INFO L290 TraceCheckUtils]: 23: Hoare triple {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,514 INFO L290 TraceCheckUtils]: 24: Hoare triple {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,514 INFO L290 TraceCheckUtils]: 25: Hoare triple {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_~marked~0#1; {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,515 INFO L290 TraceCheckUtils]: 26: Hoare triple {21327#(and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} SUMMARY for call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); srcloc: L1017 {21328#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,515 INFO L290 TraceCheckUtils]: 27: Hoare triple {21328#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {21328#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,516 INFO L290 TraceCheckUtils]: 28: Hoare triple {21328#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {21328#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,516 INFO L290 TraceCheckUtils]: 29: Hoare triple {21328#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,516 INFO L290 TraceCheckUtils]: 30: Hoare triple {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,517 INFO L290 TraceCheckUtils]: 31: Hoare triple {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,517 INFO L290 TraceCheckUtils]: 32: Hoare triple {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_~marked~0#1 := 0; {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,518 INFO L290 TraceCheckUtils]: 33: Hoare triple {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-9 {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,518 INFO L290 TraceCheckUtils]: 34: Hoare triple {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,518 INFO L290 TraceCheckUtils]: 35: Hoare triple {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short9#1; {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 23:56:28,519 INFO L290 TraceCheckUtils]: 36: Hoare triple {21329#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} SUMMARY for call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); srcloc: L1027-3 {21330#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} is VALID [2022-02-20 23:56:28,519 INFO L290 TraceCheckUtils]: 37: Hoare triple {21330#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem7#1.base|)) (= |ULTIMATE.start_main_#t~mem7#1.offset| 0))} assume !(4 + (4 + main_#t~mem7#1.offset) <= #length[main_#t~mem7#1.base] && 0 <= 4 + main_#t~mem7#1.offset); {21315#false} is VALID [2022-02-20 23:56:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:56:28,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:56:28,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189998014] [2022-02-20 23:56:28,520 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189998014] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:56:28,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484640531] [2022-02-20 23:56:28,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 23:56:28,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:56:28,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:56:28,521 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 23:56:28,526 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 23:56:28,639 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 23:56:28,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 23:56:28,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 65 conjunts are in the unsatisfiable core [2022-02-20 23:56:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:56:28,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:56:28,668 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 23:56:28,750 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:56:28,754 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