./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/sll-sorted-2.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/sll-sorted-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:52:45,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:52:45,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:52:45,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:52:45,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:52:45,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:52:45,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:52:45,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:52:45,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:52:45,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:52:45,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:52:45,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:52:45,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:52:45,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:52:45,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:52:45,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:52:45,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:52:45,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:52:45,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:52:45,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:52:45,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:52:45,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:52:45,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:52:45,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:52:45,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:52:45,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:52:45,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:52:45,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:52:45,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:52:45,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:52:45,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:52:45,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:52:45,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:52:45,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:52:45,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:52:45,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:52:45,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:52:45,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:52:45,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:52:45,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:52:45,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:52:45,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:52:45,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:52:45,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:52:45,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:52:45,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:52:45,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:52:45,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:52:45,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:52:45,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:52:45,246 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:52:45,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:52:45,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:52:45,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:52:45,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:52:45,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:52:45,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:52:45,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:52:45,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:52:45,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:52:45,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:52:45,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:52:45,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:52:45,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:52:45,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:52:45,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:52:45,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:52:45,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:52:45,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:52:45,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:52:45,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:52:45,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:52:45,250 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:52:45,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:52:45,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:52:45,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f [2022-02-20 16:52:45,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:52:45,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:52:45,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:52:45,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:52:45,457 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:52:45,458 INFO L432 ainManager$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 16:52:45,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18f7a559/78105ec544f547eca4379bd3dd012f0d/FLAG1947325d4 [2022-02-20 16:52:45,828 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:52:45,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-sorted-2.i [2022-02-20 16:52:45,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18f7a559/78105ec544f547eca4379bd3dd012f0d/FLAG1947325d4 [2022-02-20 16:52:46,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18f7a559/78105ec544f547eca4379bd3dd012f0d [2022-02-20 16:52:46,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:52:46,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:52:46,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:52:46,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:52:46,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:52:46,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426fc5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46, skipping insertion in model container [2022-02-20 16:52:46,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:52:46,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:52:46,448 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 16:52:46,451 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 16:52:46,452 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 16:52:46,455 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 16:52:46,455 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 16:52:46,456 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 16:52:46,457 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 16:52:46,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:52:46,466 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:52:46,511 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 16:52:46,517 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 16:52:46,530 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 16:52:46,532 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 16:52:46,533 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 16:52:46,534 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 16:52:46,535 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 16:52:46,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:52:46,562 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:52:46,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46 WrapperNode [2022-02-20 16:52:46,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:52:46,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:52:46,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:52:46,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:52:46,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,622 INFO L137 Inliner]: procedures = 119, calls = 40, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 196 [2022-02-20 16:52:46,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:52:46,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:52:46,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:52:46,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:52:46,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:52:46,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:52:46,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:52:46,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:52:46,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (1/1) ... [2022-02-20 16:52:46,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:52:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:46,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:52:46,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:52:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:52:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:52:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 16:52:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:52:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 16:52:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 16:52:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:52:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:52:46,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:52:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:52:46,826 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:52:46,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:52:47,142 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:52:47,147 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:52:47,148 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2022-02-20 16:52:47,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:52:47 BoogieIcfgContainer [2022-02-20 16:52:47,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:52:47,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:52:47,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:52:47,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:52:47,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:52:46" (1/3) ... [2022-02-20 16:52:47,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15332d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:52:47, skipping insertion in model container [2022-02-20 16:52:47,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:52:46" (2/3) ... [2022-02-20 16:52:47,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15332d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:52:47, skipping insertion in model container [2022-02-20 16:52:47,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:52:47" (3/3) ... [2022-02-20 16:52:47,157 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-sorted-2.i [2022-02-20 16:52:47,162 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:52:47,162 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-02-20 16:52:47,205 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:52:47,218 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:52:47,218 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-20 16:52:47,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 54 states have (on average 1.8518518518518519) internal successors, (100), 61 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-20 16:52:47,245 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:47,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-20 16:52:47,246 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:52:47,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:47,250 INFO L85 PathProgramCache]: Analyzing trace with hash 890153286, now seen corresponding path program 1 times [2022-02-20 16:52:47,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:47,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802060480] [2022-02-20 16:52:47,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:47,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:47,396 INFO L290 TraceCheckUtils]: 0: Hoare triple {65#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); {65#true} is VALID [2022-02-20 16:52:47,397 INFO L290 TraceCheckUtils]: 1: Hoare triple {65#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {65#true} is VALID [2022-02-20 16:52:47,397 INFO L290 TraceCheckUtils]: 2: Hoare triple {65#true} assume !true; {66#false} is VALID [2022-02-20 16:52:47,398 INFO L290 TraceCheckUtils]: 3: Hoare triple {66#false} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {66#false} is VALID [2022-02-20 16:52:47,398 INFO L290 TraceCheckUtils]: 4: Hoare triple {66#false} assume !(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {66#false} is VALID [2022-02-20 16:52:47,398 INFO L290 TraceCheckUtils]: 5: Hoare triple {66#false} assume !false; {66#false} is VALID [2022-02-20 16:52:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:47,399 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:47,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802060480] [2022-02-20 16:52:47,401 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802060480] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:47,402 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:47,402 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:52:47,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474822483] [2022-02-20 16:52:47,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:47,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:52:47,410 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:47,412 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,425 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:47,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:52:47,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:47,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:52:47,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:52:47,449 INFO L87 Difference]: Start difference. First operand has 62 states, 54 states have (on average 1.8518518518518519) internal successors, (100), 61 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:47,526 INFO L93 Difference]: Finished difference Result 118 states and 190 transitions. [2022-02-20 16:52:47,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:52:47,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:52:47,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 190 transitions. [2022-02-20 16:52:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 190 transitions. [2022-02-20 16:52:47,538 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 190 transitions. [2022-02-20 16:52:47,692 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:47,709 INFO L225 Difference]: With dead ends: 118 [2022-02-20 16:52:47,709 INFO L226 Difference]: Without dead ends: 56 [2022-02-20 16:52:47,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:52:47,714 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:47,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:52:47,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-02-20 16:52:47,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-02-20 16:52:47,734 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:47,736 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 56 states, 49 states have (on average 1.346938775510204) internal successors, (66), 55 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,736 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 56 states, 49 states have (on average 1.346938775510204) internal successors, (66), 55 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,739 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 56 states, 49 states have (on average 1.346938775510204) internal successors, (66), 55 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:47,745 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2022-02-20 16:52:47,746 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2022-02-20 16:52:47,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:47,747 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:47,747 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 49 states have (on average 1.346938775510204) internal successors, (66), 55 states have internal predecessors, (66), 0 states have call successors, (0), 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 56 states. [2022-02-20 16:52:47,748 INFO L87 Difference]: Start difference. First operand has 56 states, 49 states have (on average 1.346938775510204) internal successors, (66), 55 states have internal predecessors, (66), 0 states have call successors, (0), 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 56 states. [2022-02-20 16:52:47,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:47,752 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2022-02-20 16:52:47,752 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2022-02-20 16:52:47,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:47,757 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:47,757 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:47,758 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:47,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 49 states have (on average 1.346938775510204) internal successors, (66), 55 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2022-02-20 16:52:47,766 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 6 [2022-02-20 16:52:47,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:47,768 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2022-02-20 16:52:47,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2022-02-20 16:52:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-02-20 16:52:47,770 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:47,770 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:47,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:52:47,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:52:47,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:47,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1806859191, now seen corresponding path program 1 times [2022-02-20 16:52:47,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:47,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272884760] [2022-02-20 16:52:47,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:47,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:47,823 INFO L290 TraceCheckUtils]: 0: Hoare triple {382#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); {382#true} is VALID [2022-02-20 16:52:47,823 INFO L290 TraceCheckUtils]: 1: Hoare triple {382#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {384#(= |ULTIMATE.start_main_~marked~0#1| 0)} is VALID [2022-02-20 16:52:47,824 INFO L290 TraceCheckUtils]: 2: Hoare triple {384#(= |ULTIMATE.start_main_~marked~0#1| 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {384#(= |ULTIMATE.start_main_~marked~0#1| 0)} is VALID [2022-02-20 16:52:47,824 INFO L290 TraceCheckUtils]: 3: Hoare triple {384#(= |ULTIMATE.start_main_~marked~0#1| 0)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {383#false} is VALID [2022-02-20 16:52:47,824 INFO L290 TraceCheckUtils]: 4: Hoare triple {383#false} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {383#false} is VALID [2022-02-20 16:52:47,824 INFO L290 TraceCheckUtils]: 5: Hoare triple {383#false} assume !(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {383#false} is VALID [2022-02-20 16:52:47,825 INFO L290 TraceCheckUtils]: 6: Hoare triple {383#false} assume !false; {383#false} is VALID [2022-02-20 16:52:47,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:47,825 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:47,825 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272884760] [2022-02-20 16:52:47,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272884760] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:47,825 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:47,826 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:52:47,826 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894774863] [2022-02-20 16:52:47,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:47,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 16:52:47,827 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:47,827 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,832 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:47,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:52:47,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:47,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:52:47,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:52:47,833 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:47,908 INFO L93 Difference]: Finished difference Result 115 states and 138 transitions. [2022-02-20 16:52:47,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:52:47,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 16:52:47,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:47,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2022-02-20 16:52:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2022-02-20 16:52:47,912 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 138 transitions. [2022-02-20 16:52:48,010 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 138 edges. 138 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:48,013 INFO L225 Difference]: With dead ends: 115 [2022-02-20 16:52:48,014 INFO L226 Difference]: Without dead ends: 61 [2022-02-20 16:52:48,014 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 16:52:48,016 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 33 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:48,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 86 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:52:48,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-02-20 16:52:48,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2022-02-20 16:52:48,025 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:48,025 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand has 60 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,025 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand has 60 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,025 INFO L87 Difference]: Start difference. First operand 61 states. Second operand has 60 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:48,026 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2022-02-20 16:52:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2022-02-20 16:52:48,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:48,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:48,027 INFO L74 IsIncluded]: Start isIncluded. First operand has 60 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 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 61 states. [2022-02-20 16:52:48,027 INFO L87 Difference]: Start difference. First operand has 60 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 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 61 states. [2022-02-20 16:52:48,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:48,029 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2022-02-20 16:52:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2022-02-20 16:52:48,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:48,032 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:48,032 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:48,032 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:48,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 59 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2022-02-20 16:52:48,034 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 7 [2022-02-20 16:52:48,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:48,034 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2022-02-20 16:52:48,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,035 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2022-02-20 16:52:48,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 16:52:48,038 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:48,038 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:48,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:52:48,038 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:52:48,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:48,038 INFO L85 PathProgramCache]: Analyzing trace with hash 443319948, now seen corresponding path program 1 times [2022-02-20 16:52:48,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:48,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618300265] [2022-02-20 16:52:48,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:48,152 INFO L290 TraceCheckUtils]: 0: Hoare triple {710#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); {710#true} is VALID [2022-02-20 16:52:48,153 INFO L290 TraceCheckUtils]: 1: Hoare triple {710#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 16:52:48,153 INFO L290 TraceCheckUtils]: 2: Hoare triple {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 16:52:48,154 INFO L290 TraceCheckUtils]: 3: Hoare triple {712#(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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 16:52:48,154 INFO L290 TraceCheckUtils]: 4: Hoare triple {712#(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; {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 16:52:48,155 INFO L290 TraceCheckUtils]: 5: Hoare triple {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 16:52:48,155 INFO L290 TraceCheckUtils]: 6: Hoare triple {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 16:52:48,155 INFO L290 TraceCheckUtils]: 7: Hoare triple {712#(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; {712#(not (= |ULTIMATE.start_main_~head~0#1.base| 0))} is VALID [2022-02-20 16:52:48,156 INFO L290 TraceCheckUtils]: 8: Hoare triple {712#(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; {713#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} is VALID [2022-02-20 16:52:48,156 INFO L290 TraceCheckUtils]: 9: Hoare triple {713#(not (= |ULTIMATE.start_main_~x~0#1.base| 0))} assume !(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {711#false} is VALID [2022-02-20 16:52:48,156 INFO L290 TraceCheckUtils]: 10: Hoare triple {711#false} assume !false; {711#false} is VALID [2022-02-20 16:52:48,157 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 16:52:48,157 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:48,157 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618300265] [2022-02-20 16:52:48,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618300265] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:52:48,159 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:52:48,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 16:52:48,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072261036] [2022-02-20 16:52:48,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:52:48,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 16:52:48,161 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:48,161 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,168 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:48,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:52:48,169 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:48,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:52:48,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:52:48,169 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:48,361 INFO L93 Difference]: Finished difference Result 99 states and 117 transitions. [2022-02-20 16:52:48,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 16:52:48,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 16:52:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2022-02-20 16:52:48,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2022-02-20 16:52:48,365 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 112 transitions. [2022-02-20 16:52:48,439 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:48,441 INFO L225 Difference]: With dead ends: 99 [2022-02-20 16:52:48,441 INFO L226 Difference]: Without dead ends: 97 [2022-02-20 16:52:48,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:52:48,442 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 147 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:48,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 75 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:52:48,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-02-20 16:52:48,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 58. [2022-02-20 16:52:48,449 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:48,449 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand has 58 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,449 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand has 58 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,450 INFO L87 Difference]: Start difference. First operand 97 states. Second operand has 58 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:48,452 INFO L93 Difference]: Finished difference Result 97 states and 115 transitions. [2022-02-20 16:52:48,452 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions. [2022-02-20 16:52:48,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:48,453 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:48,453 INFO L74 IsIncluded]: Start isIncluded. First operand has 58 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 0 states have call successors, (0), 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 97 states. [2022-02-20 16:52:48,453 INFO L87 Difference]: Start difference. First operand has 58 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 0 states have call successors, (0), 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 97 states. [2022-02-20 16:52:48,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:48,455 INFO L93 Difference]: Finished difference Result 97 states and 115 transitions. [2022-02-20 16:52:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions. [2022-02-20 16:52:48,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:48,457 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:48,457 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:48,457 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2022-02-20 16:52:48,460 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 11 [2022-02-20 16:52:48,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:48,460 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2022-02-20 16:52:48,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2022-02-20 16:52:48,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 16:52:48,461 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:48,461 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:48,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 16:52:48,461 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:52:48,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:48,462 INFO L85 PathProgramCache]: Analyzing trace with hash 2064961448, now seen corresponding path program 1 times [2022-02-20 16:52:48,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:48,462 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181011867] [2022-02-20 16:52:48,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:48,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:48,697 INFO L290 TraceCheckUtils]: 0: Hoare triple {1092#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); {1092#true} is VALID [2022-02-20 16:52:48,699 INFO L290 TraceCheckUtils]: 1: Hoare triple {1092#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {1094#(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) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:48,699 INFO L290 TraceCheckUtils]: 2: Hoare triple {1094#(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) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1094#(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) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:48,700 INFO L290 TraceCheckUtils]: 3: Hoare triple {1094#(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) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1095#(and (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |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|)) (<= 0 |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 16:52:48,702 INFO L290 TraceCheckUtils]: 4: Hoare triple {1095#(and (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |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|)) (<= 0 |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; {1096#(or (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (= |ULTIMATE.start_main_~marked~0#1| 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |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|)) (<= 0 |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 16:52:48,703 INFO L290 TraceCheckUtils]: 5: Hoare triple {1096#(or (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (= |ULTIMATE.start_main_~marked~0#1| 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |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|)) (<= 0 |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;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1097#(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) (<= 0 |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 16:52:48,703 INFO L290 TraceCheckUtils]: 6: Hoare triple {1097#(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) (<= 0 |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; {1097#(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) (<= 0 |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 16:52:48,712 INFO L290 TraceCheckUtils]: 7: Hoare triple {1097#(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) (<= 0 |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; {1097#(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) (<= 0 |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 16:52:48,714 INFO L290 TraceCheckUtils]: 8: Hoare triple {1097#(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) (<= 0 |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; {1098#(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 16:52:48,714 INFO L290 TraceCheckUtils]: 9: Hoare triple {1098#(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); {1098#(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 16:52:48,715 INFO L290 TraceCheckUtils]: 10: Hoare triple {1098#(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; {1098#(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 16:52:48,715 INFO L290 TraceCheckUtils]: 11: Hoare triple {1098#(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; {1098#(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 16:52:48,716 INFO L290 TraceCheckUtils]: 12: Hoare triple {1098#(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))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {1098#(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 16:52:48,716 INFO L290 TraceCheckUtils]: 13: Hoare triple {1098#(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;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {1099#(not |ULTIMATE.start_main_#t~short9#1|)} is VALID [2022-02-20 16:52:48,717 INFO L290 TraceCheckUtils]: 14: Hoare triple {1099#(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; {1093#false} is VALID [2022-02-20 16:52:48,717 INFO L290 TraceCheckUtils]: 15: Hoare triple {1093#false} call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1093#false} is VALID [2022-02-20 16:52:48,717 INFO L290 TraceCheckUtils]: 16: Hoare triple {1093#false} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {1093#false} is VALID [2022-02-20 16:52:48,717 INFO L290 TraceCheckUtils]: 17: Hoare triple {1093#false} assume !false; {1093#false} is VALID [2022-02-20 16:52:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:48,718 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:48,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181011867] [2022-02-20 16:52:48,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181011867] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:48,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014943126] [2022-02-20 16:52:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:48,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:48,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:48,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:52:48,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 16:52:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:48,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-20 16:52:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:48,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:48,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 16:52:48,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:52:49,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:49,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-02-20 16:52:49,074 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:52:49,074 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 16 treesize of output 22 [2022-02-20 16:52:49,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-20 16:52:49,098 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:52:49,098 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 16:52:49,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:52:49,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:52:49,284 INFO L290 TraceCheckUtils]: 0: Hoare triple {1092#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); {1092#true} is VALID [2022-02-20 16:52:49,285 INFO L290 TraceCheckUtils]: 1: Hoare triple {1092#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {1106#(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 16:52:49,287 INFO L290 TraceCheckUtils]: 2: Hoare triple {1106#(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; {1106#(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 16:52:49,288 INFO L290 TraceCheckUtils]: 3: Hoare triple {1106#(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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1113#(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 16:52:49,289 INFO L290 TraceCheckUtils]: 4: Hoare triple {1113#(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; {1113#(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 16:52:49,290 INFO L290 TraceCheckUtils]: 5: Hoare triple {1113#(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;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1120#(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 16:52:49,290 INFO L290 TraceCheckUtils]: 6: Hoare triple {1120#(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; {1120#(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 16:52:49,291 INFO L290 TraceCheckUtils]: 7: Hoare triple {1120#(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; {1120#(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 16:52:49,291 INFO L290 TraceCheckUtils]: 8: Hoare triple {1120#(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; {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:49,294 INFO L290 TraceCheckUtils]: 9: Hoare triple {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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); {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:49,295 INFO L290 TraceCheckUtils]: 10: Hoare triple {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} goto; {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:49,295 INFO L290 TraceCheckUtils]: 11: Hoare triple {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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; {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:49,296 INFO L290 TraceCheckUtils]: 12: Hoare triple {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:49,297 INFO L290 TraceCheckUtils]: 13: Hoare triple {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:49,297 INFO L290 TraceCheckUtils]: 14: Hoare triple {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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; {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:49,298 INFO L290 TraceCheckUtils]: 15: Hoare triple {1130#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1152#(= |ULTIMATE.start_main_#t~mem10#1| 0)} is VALID [2022-02-20 16:52:49,298 INFO L290 TraceCheckUtils]: 16: Hoare triple {1152#(= |ULTIMATE.start_main_#t~mem10#1| 0)} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {1093#false} is VALID [2022-02-20 16:52:49,298 INFO L290 TraceCheckUtils]: 17: Hoare triple {1093#false} assume !false; {1093#false} is VALID [2022-02-20 16:52:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:49,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:49,380 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_139 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_139) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) is different from false [2022-02-20 16:52:49,635 INFO L290 TraceCheckUtils]: 17: Hoare triple {1093#false} assume !false; {1093#false} is VALID [2022-02-20 16:52:49,635 INFO L290 TraceCheckUtils]: 16: Hoare triple {1152#(= |ULTIMATE.start_main_#t~mem10#1| 0)} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {1093#false} is VALID [2022-02-20 16:52:49,636 INFO L290 TraceCheckUtils]: 15: Hoare triple {1165#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1152#(= |ULTIMATE.start_main_#t~mem10#1| 0)} is VALID [2022-02-20 16:52:49,636 INFO L290 TraceCheckUtils]: 14: Hoare triple {1165#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume !!main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {1165#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:49,637 INFO L290 TraceCheckUtils]: 13: Hoare triple {1165#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {1165#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:49,637 INFO L290 TraceCheckUtils]: 12: Hoare triple {1165#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {1165#(= (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 16:52:49,637 INFO L290 TraceCheckUtils]: 11: Hoare triple {1165#(= (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; {1165#(= (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 16:52:49,638 INFO L290 TraceCheckUtils]: 10: Hoare triple {1165#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} goto; {1165#(= (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 16:52:49,638 INFO L290 TraceCheckUtils]: 9: Hoare triple {1165#(= (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); {1165#(= (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 16:52:49,639 INFO L290 TraceCheckUtils]: 8: Hoare triple {1187#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1165#(= (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 16:52:49,639 INFO L290 TraceCheckUtils]: 7: Hoare triple {1187#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {1187#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:49,640 INFO L290 TraceCheckUtils]: 6: Hoare triple {1187#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1187#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:49,640 INFO L290 TraceCheckUtils]: 5: Hoare triple {1197#(forall ((v_ArrVal_139 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_139) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1187#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:49,641 INFO L290 TraceCheckUtils]: 4: Hoare triple {1197#(forall ((v_ArrVal_139 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_139) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {1197#(forall ((v_ArrVal_139 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_139) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:52:49,643 INFO L290 TraceCheckUtils]: 3: Hoare triple {1204#(forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_136 Int) (|v_ULTIMATE.start_main_~x~0#1.base_40| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_40|) 0)) (= (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_136)) |v_ULTIMATE.start_main_~x~0#1.base_40| v_ArrVal_139) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1197#(forall ((v_ArrVal_139 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_139) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:52:49,644 WARN L290 TraceCheckUtils]: 2: Hoare triple {1204#(forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_136 Int) (|v_ULTIMATE.start_main_~x~0#1.base_40| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_40|) 0)) (= (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_136)) |v_ULTIMATE.start_main_~x~0#1.base_40| v_ArrVal_139) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1204#(forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_136 Int) (|v_ULTIMATE.start_main_~x~0#1.base_40| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_40|) 0)) (= (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_136)) |v_ULTIMATE.start_main_~x~0#1.base_40| v_ArrVal_139) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is UNKNOWN [2022-02-20 16:52:49,645 INFO L290 TraceCheckUtils]: 1: Hoare triple {1092#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {1204#(forall ((v_ArrVal_139 (Array Int Int)) (v_ArrVal_136 Int) (|v_ULTIMATE.start_main_~x~0#1.base_40| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_40|) 0)) (= (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_136)) |v_ULTIMATE.start_main_~x~0#1.base_40| v_ArrVal_139) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:52:49,646 INFO L290 TraceCheckUtils]: 0: Hoare triple {1092#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); {1092#true} is VALID [2022-02-20 16:52:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:49,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014943126] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:52:49,646 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:52:49,647 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2022-02-20 16:52:49,647 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25789199] [2022-02-20 16:52:49,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:52:49,647 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 16:52:49,648 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:49,648 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:49,684 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 48 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:49,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-20 16:52:49,684 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:49,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-20 16:52:49,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=205, Unknown=1, NotChecked=28, Total=272 [2022-02-20 16:52:49,685 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:51,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:51,047 INFO L93 Difference]: Finished difference Result 150 states and 184 transitions. [2022-02-20 16:52:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 16:52:51,047 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 16:52:51,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 180 transitions. [2022-02-20 16:52:51,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 180 transitions. [2022-02-20 16:52:51,051 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 180 transitions. [2022-02-20 16:52:51,179 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 179 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:51,182 INFO L225 Difference]: With dead ends: 150 [2022-02-20 16:52:51,182 INFO L226 Difference]: Without dead ends: 106 [2022-02-20 16:52:51,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=531, Unknown=1, NotChecked=48, Total=702 [2022-02-20 16:52:51,183 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 88 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:51,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 635 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 359 Invalid, 0 Unknown, 91 Unchecked, 0.4s Time] [2022-02-20 16:52:51,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-02-20 16:52:51,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 71. [2022-02-20 16:52:51,197 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:51,197 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:51,197 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:51,197 INFO L87 Difference]: Start difference. First operand 106 states. Second operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:51,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:51,199 INFO L93 Difference]: Finished difference Result 106 states and 131 transitions. [2022-02-20 16:52:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 131 transitions. [2022-02-20 16:52:51,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:51,200 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:51,200 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 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 106 states. [2022-02-20 16:52:51,200 INFO L87 Difference]: Start difference. First operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 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 106 states. [2022-02-20 16:52:51,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:51,202 INFO L93 Difference]: Finished difference Result 106 states and 131 transitions. [2022-02-20 16:52:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 131 transitions. [2022-02-20 16:52:51,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:51,203 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:51,203 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:51,203 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:51,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2022-02-20 16:52:51,204 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 18 [2022-02-20 16:52:51,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:51,205 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2022-02-20 16:52:51,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2022-02-20 16:52:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 16:52:51,205 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:51,205 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 16:52:51,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:52:51,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:51,412 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:52:51,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:51,412 INFO L85 PathProgramCache]: Analyzing trace with hash -644381054, now seen corresponding path program 1 times [2022-02-20 16:52:51,412 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:51,412 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599467003] [2022-02-20 16:52:51,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:51,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:51,631 INFO L290 TraceCheckUtils]: 0: Hoare triple {1703#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); {1703#true} is VALID [2022-02-20 16:52:51,632 INFO L290 TraceCheckUtils]: 1: Hoare triple {1703#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {1705#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:51,633 INFO L290 TraceCheckUtils]: 2: Hoare triple {1705#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1705#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:51,637 INFO L290 TraceCheckUtils]: 3: Hoare triple {1705#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1706#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,637 INFO L290 TraceCheckUtils]: 4: Hoare triple {1706#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {1707#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:52:51,639 INFO L290 TraceCheckUtils]: 5: Hoare triple {1707#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (or (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1708#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,640 INFO L290 TraceCheckUtils]: 6: Hoare triple {1708#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1708#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,640 INFO L290 TraceCheckUtils]: 7: Hoare triple {1708#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {1708#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,644 INFO L290 TraceCheckUtils]: 8: Hoare triple {1708#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,645 INFO L290 TraceCheckUtils]: 9: Hoare triple {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,645 INFO L290 TraceCheckUtils]: 10: Hoare triple {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,646 INFO L290 TraceCheckUtils]: 11: Hoare triple {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_~marked~0#1 := 0; {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,646 INFO L290 TraceCheckUtils]: 12: Hoare triple {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,647 INFO L290 TraceCheckUtils]: 13: Hoare triple {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,647 INFO L290 TraceCheckUtils]: 14: Hoare triple {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,648 INFO L290 TraceCheckUtils]: 15: Hoare triple {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,648 INFO L290 TraceCheckUtils]: 16: Hoare triple {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:51,649 INFO L290 TraceCheckUtils]: 17: Hoare triple {1709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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; {1710#(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 16:52:51,649 INFO L290 TraceCheckUtils]: 18: Hoare triple {1710#(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))} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1711#(= |ULTIMATE.start_main_#t~mem16#1| 1)} is VALID [2022-02-20 16:52:51,649 INFO L290 TraceCheckUtils]: 19: Hoare triple {1711#(= |ULTIMATE.start_main_#t~mem16#1| 1)} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {1704#false} is VALID [2022-02-20 16:52:51,650 INFO L290 TraceCheckUtils]: 20: Hoare triple {1704#false} assume !false; {1704#false} is VALID [2022-02-20 16:52:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:51,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:51,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599467003] [2022-02-20 16:52:51,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599467003] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:51,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910093173] [2022-02-20 16:52:51,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:51,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:51,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:51,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:52:51,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 16:52:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:51,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-20 16:52:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:51,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:51,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:52:51,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:52:51,788 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:52:51,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:52:51,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-02-20 16:52:51,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:52:51,818 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:52:51,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:52:51,824 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-02-20 16:52:51,835 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:52:51,836 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 16:52:51,880 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:52:51,881 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 48 treesize of output 45 [2022-02-20 16:52:51,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 16:52:51,890 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 19 treesize of output 11 [2022-02-20 16:52:52,085 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 27 treesize of output 15 [2022-02-20 16:52:52,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:52:52,133 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:52:52,137 INFO L290 TraceCheckUtils]: 0: Hoare triple {1703#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); {1703#true} is VALID [2022-02-20 16:52:52,138 INFO L290 TraceCheckUtils]: 1: Hoare triple {1703#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {1705#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:52,138 INFO L290 TraceCheckUtils]: 2: Hoare triple {1705#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1705#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:52,139 INFO L290 TraceCheckUtils]: 3: Hoare triple {1705#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1706#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,140 INFO L290 TraceCheckUtils]: 4: Hoare triple {1706#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {1706#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,141 INFO L290 TraceCheckUtils]: 5: Hoare triple {1706#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1730#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,141 INFO L290 TraceCheckUtils]: 6: Hoare triple {1730#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1730#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,144 INFO L290 TraceCheckUtils]: 7: Hoare triple {1730#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {1730#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,144 INFO L290 TraceCheckUtils]: 8: Hoare triple {1730#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,145 INFO L290 TraceCheckUtils]: 9: Hoare triple {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,145 INFO L290 TraceCheckUtils]: 10: Hoare triple {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,146 INFO L290 TraceCheckUtils]: 11: Hoare triple {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_~marked~0#1 := 0; {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,146 INFO L290 TraceCheckUtils]: 12: Hoare triple {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,148 INFO L290 TraceCheckUtils]: 13: Hoare triple {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,148 INFO L290 TraceCheckUtils]: 14: Hoare triple {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,149 INFO L290 TraceCheckUtils]: 15: Hoare triple {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,149 INFO L290 TraceCheckUtils]: 16: Hoare triple {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:52,150 INFO L290 TraceCheckUtils]: 17: Hoare triple {1740#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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; {1710#(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 16:52:52,150 INFO L290 TraceCheckUtils]: 18: Hoare triple {1710#(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))} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1711#(= |ULTIMATE.start_main_#t~mem16#1| 1)} is VALID [2022-02-20 16:52:52,151 INFO L290 TraceCheckUtils]: 19: Hoare triple {1711#(= |ULTIMATE.start_main_#t~mem16#1| 1)} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {1704#false} is VALID [2022-02-20 16:52:52,151 INFO L290 TraceCheckUtils]: 20: Hoare triple {1704#false} assume !false; {1704#false} is VALID [2022-02-20 16:52:52,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:52,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:52,247 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 16:52:52,256 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_223 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_223) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_224 (Array Int Int))) (= |c_ULTIMATE.start_main_~x~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_224) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2022-02-20 16:52:52,293 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:52,294 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 37 treesize of output 38 [2022-02-20 16:52:52,299 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:52,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 38 [2022-02-20 16:52:52,307 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:52,308 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 50 treesize of output 53 [2022-02-20 16:52:52,320 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:52,321 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 65 treesize of output 68 [2022-02-20 16:52:52,333 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 37 treesize of output 35 [2022-02-20 16:52:52,339 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 35 treesize of output 33 [2022-02-20 16:52:52,480 INFO L290 TraceCheckUtils]: 20: Hoare triple {1704#false} assume !false; {1704#false} is VALID [2022-02-20 16:52:52,481 INFO L290 TraceCheckUtils]: 19: Hoare triple {1711#(= |ULTIMATE.start_main_#t~mem16#1| 1)} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {1704#false} is VALID [2022-02-20 16:52:52,482 INFO L290 TraceCheckUtils]: 18: Hoare triple {1783#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1711#(= |ULTIMATE.start_main_#t~mem16#1| 1)} is VALID [2022-02-20 16:52:52,496 INFO L290 TraceCheckUtils]: 17: Hoare triple {1787#(= (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$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {1783#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} is VALID [2022-02-20 16:52:52,496 INFO L290 TraceCheckUtils]: 16: Hoare triple {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,497 INFO L290 TraceCheckUtils]: 15: Hoare triple {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,497 INFO L290 TraceCheckUtils]: 14: Hoare triple {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,498 INFO L290 TraceCheckUtils]: 13: Hoare triple {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,498 INFO L290 TraceCheckUtils]: 12: Hoare triple {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,498 INFO L290 TraceCheckUtils]: 11: Hoare triple {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} main_~marked~0#1 := 0; {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,499 INFO L290 TraceCheckUtils]: 10: Hoare triple {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} goto; {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,499 INFO L290 TraceCheckUtils]: 9: Hoare triple {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,500 INFO L290 TraceCheckUtils]: 8: Hoare triple {1815#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1787#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,500 INFO L290 TraceCheckUtils]: 7: Hoare triple {1815#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {1815#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,500 INFO L290 TraceCheckUtils]: 6: Hoare triple {1815#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1815#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,501 INFO L290 TraceCheckUtils]: 5: Hoare triple {1825#(and (forall ((v_ArrVal_224 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_224) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_223 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_223) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {1815#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:52:52,502 INFO L290 TraceCheckUtils]: 4: Hoare triple {1825#(and (forall ((v_ArrVal_224 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_224) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_223 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_223) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {1825#(and (forall ((v_ArrVal_224 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_224) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_223 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_223) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 16:52:52,503 INFO L290 TraceCheckUtils]: 3: Hoare triple {1832#(forall ((v_arrayElimCell_20 Int)) (or (not (= (select |#valid| v_arrayElimCell_20) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_20 |ULTIMATE.start_main_~head~0#1.base|)))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {1825#(and (forall ((v_ArrVal_224 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_224) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_223 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_223) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)))} is VALID [2022-02-20 16:52:52,504 INFO L290 TraceCheckUtils]: 2: Hoare triple {1832#(forall ((v_arrayElimCell_20 Int)) (or (not (= (select |#valid| v_arrayElimCell_20) 0)) (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 (= v_arrayElimCell_20 |ULTIMATE.start_main_~head~0#1.base|)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {1832#(forall ((v_arrayElimCell_20 Int)) (or (not (= (select |#valid| v_arrayElimCell_20) 0)) (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 (= v_arrayElimCell_20 |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 16:52:52,505 INFO L290 TraceCheckUtils]: 1: Hoare triple {1703#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {1832#(forall ((v_arrayElimCell_20 Int)) (or (not (= (select |#valid| v_arrayElimCell_20) 0)) (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 (= v_arrayElimCell_20 |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 16:52:52,505 INFO L290 TraceCheckUtils]: 0: Hoare triple {1703#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); {1703#true} is VALID [2022-02-20 16:52:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:52,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910093173] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:52:52,505 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:52:52,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2022-02-20 16:52:52,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578182818] [2022-02-20 16:52:52,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:52:52,506 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 16:52:52,506 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:52,506 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:52,541 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:52,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-20 16:52:52,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:52,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-20 16:52:52,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=175, Unknown=1, NotChecked=26, Total=240 [2022-02-20 16:52:52,542 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:53,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:53,300 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions. [2022-02-20 16:52:53,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 16:52:53,301 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 16:52:53,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:53,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 116 transitions. [2022-02-20 16:52:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 116 transitions. [2022-02-20 16:52:53,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 116 transitions. [2022-02-20 16:52:53,385 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:53,386 INFO L225 Difference]: With dead ends: 99 [2022-02-20 16:52:53,387 INFO L226 Difference]: Without dead ends: 97 [2022-02-20 16:52:53,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=306, Unknown=1, NotChecked=36, Total=420 [2022-02-20 16:52:53,387 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 58 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 86 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:53,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 440 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 239 Invalid, 0 Unknown, 86 Unchecked, 0.2s Time] [2022-02-20 16:52:53,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-02-20 16:52:53,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 77. [2022-02-20 16:52:53,401 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:53,401 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand has 77 states, 71 states have (on average 1.323943661971831) internal successors, (94), 76 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:53,401 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand has 77 states, 71 states have (on average 1.323943661971831) internal successors, (94), 76 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:53,402 INFO L87 Difference]: Start difference. First operand 97 states. Second operand has 77 states, 71 states have (on average 1.323943661971831) internal successors, (94), 76 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:53,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:53,404 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2022-02-20 16:52:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2022-02-20 16:52:53,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:53,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:53,404 INFO L74 IsIncluded]: Start isIncluded. First operand has 77 states, 71 states have (on average 1.323943661971831) internal successors, (94), 76 states have internal predecessors, (94), 0 states have call successors, (0), 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 97 states. [2022-02-20 16:52:53,405 INFO L87 Difference]: Start difference. First operand has 77 states, 71 states have (on average 1.323943661971831) internal successors, (94), 76 states have internal predecessors, (94), 0 states have call successors, (0), 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 97 states. [2022-02-20 16:52:53,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:53,406 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2022-02-20 16:52:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2022-02-20 16:52:53,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:53,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:53,407 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:53,407 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 71 states have (on average 1.323943661971831) internal successors, (94), 76 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:53,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 94 transitions. [2022-02-20 16:52:53,409 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 94 transitions. Word has length 21 [2022-02-20 16:52:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:53,409 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 94 transitions. [2022-02-20 16:52:53,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2022-02-20 16:52:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 16:52:53,410 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:53,410 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:53,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 16:52:53,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:53,615 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:52:53,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:53,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1244226061, now seen corresponding path program 1 times [2022-02-20 16:52:53,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:53,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847515218] [2022-02-20 16:52:53,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:53,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:53,802 INFO L290 TraceCheckUtils]: 0: Hoare triple {2252#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); {2252#true} is VALID [2022-02-20 16:52:53,803 INFO L290 TraceCheckUtils]: 1: Hoare triple {2252#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {2254#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |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 16:52:53,804 INFO L290 TraceCheckUtils]: 2: Hoare triple {2254#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |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; {2254#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |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 16:52:53,805 INFO L290 TraceCheckUtils]: 3: Hoare triple {2254#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2255#(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|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:53,805 INFO L290 TraceCheckUtils]: 4: Hoare triple {2255#(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|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {2255#(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|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:53,806 INFO L290 TraceCheckUtils]: 5: Hoare triple {2255#(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|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !(0 != main_~marked~0#1);call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2255#(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|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:53,807 INFO L290 TraceCheckUtils]: 6: Hoare triple {2255#(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|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2255#(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|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:52:53,808 INFO L290 TraceCheckUtils]: 7: Hoare triple {2255#(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|)) (= (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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2256#(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 16:52:53,808 INFO L290 TraceCheckUtils]: 8: Hoare triple {2256#(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; {2257#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~marked~0#1| 0)))} is VALID [2022-02-20 16:52:53,809 INFO L290 TraceCheckUtils]: 9: Hoare triple {2257#(and (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|))) (= |ULTIMATE.start_main_~marked~0#1| 0)))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2258#(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 16:52:53,810 INFO L290 TraceCheckUtils]: 10: Hoare triple {2258#(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; {2258#(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 16:52:53,810 INFO L290 TraceCheckUtils]: 11: Hoare triple {2258#(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; {2258#(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 16:52:53,810 INFO L290 TraceCheckUtils]: 12: Hoare triple {2258#(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; {2259#(= (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 16:52:53,811 INFO L290 TraceCheckUtils]: 13: Hoare triple {2259#(= (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); {2259#(= (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 16:52:53,811 INFO L290 TraceCheckUtils]: 14: Hoare triple {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} goto; {2259#(= (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 16:52:53,811 INFO L290 TraceCheckUtils]: 15: Hoare triple {2259#(= (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; {2259#(= (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 16:52:53,812 INFO L290 TraceCheckUtils]: 16: Hoare triple {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:53,812 INFO L290 TraceCheckUtils]: 17: Hoare triple {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {2259#(= (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 16:52:53,812 INFO L290 TraceCheckUtils]: 18: Hoare triple {2259#(= (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; {2259#(= (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 16:52:53,813 INFO L290 TraceCheckUtils]: 19: Hoare triple {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2260#(= |ULTIMATE.start_main_#t~mem10#1| 0)} is VALID [2022-02-20 16:52:53,813 INFO L290 TraceCheckUtils]: 20: Hoare triple {2260#(= |ULTIMATE.start_main_#t~mem10#1| 0)} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {2253#false} is VALID [2022-02-20 16:52:53,813 INFO L290 TraceCheckUtils]: 21: Hoare triple {2253#false} assume !false; {2253#false} is VALID [2022-02-20 16:52:53,814 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:53,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:53,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847515218] [2022-02-20 16:52:53,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847515218] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:53,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402031475] [2022-02-20 16:52:53,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:53,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:53,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:53,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:52:53,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 16:52:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:53,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-20 16:52:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:53,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:53,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:52:53,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 16:52:54,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:54,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-02-20 16:52:54,046 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:52:54,046 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 16 treesize of output 22 [2022-02-20 16:52:54,051 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-20 16:52:54,065 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:52:54,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:52:54,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:52:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:54,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-02-20 16:52:54,224 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-02-20 16:52:54,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:52:54,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:52:54,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:52:54,388 INFO L290 TraceCheckUtils]: 0: Hoare triple {2252#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); {2252#true} is VALID [2022-02-20 16:52:54,389 INFO L290 TraceCheckUtils]: 1: Hoare triple {2252#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {2267#(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 16:52:54,390 INFO L290 TraceCheckUtils]: 2: Hoare triple {2267#(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; {2267#(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 16:52:54,391 INFO L290 TraceCheckUtils]: 3: Hoare triple {2267#(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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2274#(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_~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))} is VALID [2022-02-20 16:52:54,391 INFO L290 TraceCheckUtils]: 4: Hoare triple {2274#(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_~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))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {2274#(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_~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))} is VALID [2022-02-20 16:52:54,392 INFO L290 TraceCheckUtils]: 5: Hoare triple {2274#(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_~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))} assume !(0 != main_~marked~0#1);call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2274#(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_~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))} is VALID [2022-02-20 16:52:54,393 INFO L290 TraceCheckUtils]: 6: Hoare triple {2274#(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_~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))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2274#(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_~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))} is VALID [2022-02-20 16:52:54,394 INFO L290 TraceCheckUtils]: 7: Hoare triple {2274#(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_~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))} 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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2256#(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 16:52:54,395 INFO L290 TraceCheckUtils]: 8: Hoare triple {2256#(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; {2256#(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 16:52:54,396 INFO L290 TraceCheckUtils]: 9: Hoare triple {2256#(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;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2258#(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 16:52:54,396 INFO L290 TraceCheckUtils]: 10: Hoare triple {2258#(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; {2258#(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 16:52:54,397 INFO L290 TraceCheckUtils]: 11: Hoare triple {2258#(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; {2258#(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 16:52:54,397 INFO L290 TraceCheckUtils]: 12: Hoare triple {2258#(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; {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:54,397 INFO L290 TraceCheckUtils]: 13: Hoare triple {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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); {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:54,398 INFO L290 TraceCheckUtils]: 14: Hoare triple {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} goto; {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:54,398 INFO L290 TraceCheckUtils]: 15: Hoare triple {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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; {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:54,399 INFO L290 TraceCheckUtils]: 16: Hoare triple {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:52:54,399 INFO L290 TraceCheckUtils]: 17: Hoare triple {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:54,400 INFO L290 TraceCheckUtils]: 18: Hoare triple {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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; {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:52:54,400 INFO L290 TraceCheckUtils]: 19: Hoare triple {2302#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2260#(= |ULTIMATE.start_main_#t~mem10#1| 0)} is VALID [2022-02-20 16:52:54,400 INFO L290 TraceCheckUtils]: 20: Hoare triple {2260#(= |ULTIMATE.start_main_#t~mem10#1| 0)} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {2253#false} is VALID [2022-02-20 16:52:54,400 INFO L290 TraceCheckUtils]: 21: Hoare triple {2253#false} assume !false; {2253#false} is VALID [2022-02-20 16:52:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:54,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:54,448 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_357 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_357) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) is different from false [2022-02-20 16:52:55,027 INFO L290 TraceCheckUtils]: 21: Hoare triple {2253#false} assume !false; {2253#false} is VALID [2022-02-20 16:52:55,028 INFO L290 TraceCheckUtils]: 20: Hoare triple {2260#(= |ULTIMATE.start_main_#t~mem10#1| 0)} assume !(0 == main_#t~mem10#1);havoc main_#t~mem10#1; {2253#false} is VALID [2022-02-20 16:52:55,028 INFO L290 TraceCheckUtils]: 19: Hoare triple {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} call main_#t~mem10#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2260#(= |ULTIMATE.start_main_#t~mem10#1| 0)} is VALID [2022-02-20 16:52:55,028 INFO L290 TraceCheckUtils]: 18: Hoare triple {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume !!main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:55,029 INFO L290 TraceCheckUtils]: 17: Hoare triple {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:55,029 INFO L290 TraceCheckUtils]: 16: Hoare triple {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {2259#(= (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 16:52:55,029 INFO L290 TraceCheckUtils]: 15: Hoare triple {2259#(= (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; {2259#(= (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 16:52:55,030 INFO L290 TraceCheckUtils]: 14: Hoare triple {2259#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} goto; {2259#(= (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 16:52:55,030 INFO L290 TraceCheckUtils]: 13: Hoare triple {2259#(= (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); {2259#(= (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 16:52:55,031 INFO L290 TraceCheckUtils]: 12: Hoare triple {2357#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2259#(= (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 16:52:55,031 INFO L290 TraceCheckUtils]: 11: Hoare triple {2357#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {2357#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:55,031 INFO L290 TraceCheckUtils]: 10: Hoare triple {2357#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2357#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:55,032 INFO L290 TraceCheckUtils]: 9: Hoare triple {2367#(forall ((v_ArrVal_357 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2357#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:52:55,040 INFO L290 TraceCheckUtils]: 8: Hoare triple {2367#(forall ((v_ArrVal_357 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {2367#(forall ((v_ArrVal_357 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:52:55,041 INFO L290 TraceCheckUtils]: 7: Hoare triple {2374#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|) 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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2367#(forall ((v_ArrVal_357 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:52:55,042 INFO L290 TraceCheckUtils]: 6: Hoare triple {2374#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2374#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} is VALID [2022-02-20 16:52:55,043 WARN L290 TraceCheckUtils]: 5: Hoare triple {2374#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} assume !(0 != main_~marked~0#1);call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {2374#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} is UNKNOWN [2022-02-20 16:52:55,044 INFO L290 TraceCheckUtils]: 4: Hoare triple {2374#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {2374#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} is VALID [2022-02-20 16:52:55,045 INFO L290 TraceCheckUtils]: 3: Hoare triple {2387#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_353 Int) (|v_ULTIMATE.start_main_~x~0#1.base_52| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_52|) 0)) (= (select (select (store (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_353)) |v_ULTIMATE.start_main_~x~0#1.base_52| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_52| 1) |v_ULTIMATE.start_main_~x~0#1.base_51|) 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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {2374#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} is VALID [2022-02-20 16:52:55,050 WARN L290 TraceCheckUtils]: 2: Hoare triple {2387#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_353 Int) (|v_ULTIMATE.start_main_~x~0#1.base_52| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_52|) 0)) (= (select (select (store (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_353)) |v_ULTIMATE.start_main_~x~0#1.base_52| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_52| 1) |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {2387#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_353 Int) (|v_ULTIMATE.start_main_~x~0#1.base_52| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_52|) 0)) (= (select (select (store (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_353)) |v_ULTIMATE.start_main_~x~0#1.base_52| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_52| 1) |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} is UNKNOWN [2022-02-20 16:52:55,051 INFO L290 TraceCheckUtils]: 1: Hoare triple {2252#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {2387#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_51| Int) (v_ArrVal_353 Int) (|v_ULTIMATE.start_main_~x~0#1.base_52| Int) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_357 (Array Int Int))) (or (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_52|) 0)) (= (select (select (store (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_353)) |v_ULTIMATE.start_main_~x~0#1.base_52| v_ArrVal_355) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_357) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select (store |#valid| |v_ULTIMATE.start_main_~x~0#1.base_52| 1) |v_ULTIMATE.start_main_~x~0#1.base_51|) 0))))} is VALID [2022-02-20 16:52:55,052 INFO L290 TraceCheckUtils]: 0: Hoare triple {2252#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); {2252#true} is VALID [2022-02-20 16:52:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 16:52:55,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402031475] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:52:55,052 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:52:55,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2022-02-20 16:52:55,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742915685] [2022-02-20 16:52:55,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:52:55,053 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 16:52:55,053 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:55,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:55,106 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 47 inductive. 0 not inductive. 4 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:55,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-02-20 16:52:55,106 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:55,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-02-20 16:52:55,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=158, Unknown=1, NotChecked=26, Total=240 [2022-02-20 16:52:55,107 INFO L87 Difference]: Start difference. First operand 77 states and 94 transitions. Second operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:56,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:56,001 INFO L93 Difference]: Finished difference Result 178 states and 212 transitions. [2022-02-20 16:52:56,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 16:52:56,001 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-02-20 16:52:56,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:52:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:56,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 184 transitions. [2022-02-20 16:52:56,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 184 transitions. [2022-02-20 16:52:56,004 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 184 transitions. [2022-02-20 16:52:56,137 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 184 edges. 184 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:56,151 INFO L225 Difference]: With dead ends: 178 [2022-02-20 16:52:56,151 INFO L226 Difference]: Without dead ends: 163 [2022-02-20 16:52:56,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=273, Unknown=1, NotChecked=36, Total=420 [2022-02-20 16:52:56,152 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 225 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 216 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:52:56,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 532 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 251 Invalid, 0 Unknown, 216 Unchecked, 0.2s Time] [2022-02-20 16:52:56,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-02-20 16:52:56,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 101. [2022-02-20 16:52:56,177 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:52:56,178 INFO L82 GeneralOperation]: Start isEquivalent. First operand 163 states. Second operand has 101 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 100 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:56,178 INFO L74 IsIncluded]: Start isIncluded. First operand 163 states. Second operand has 101 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 100 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:56,178 INFO L87 Difference]: Start difference. First operand 163 states. Second operand has 101 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 100 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:56,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:56,181 INFO L93 Difference]: Finished difference Result 163 states and 196 transitions. [2022-02-20 16:52:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2022-02-20 16:52:56,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:56,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:56,182 INFO L74 IsIncluded]: Start isIncluded. First operand has 101 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 100 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 163 states. [2022-02-20 16:52:56,182 INFO L87 Difference]: Start difference. First operand has 101 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 100 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 163 states. [2022-02-20 16:52:56,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:52:56,184 INFO L93 Difference]: Finished difference Result 163 states and 196 transitions. [2022-02-20 16:52:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2022-02-20 16:52:56,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:52:56,185 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:52:56,185 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:52:56,185 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:52:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 100 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 127 transitions. [2022-02-20 16:52:56,187 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 127 transitions. Word has length 22 [2022-02-20 16:52:56,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:52:56,187 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 127 transitions. [2022-02-20 16:52:56,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2022-02-20 16:52:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 16:52:56,188 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:52:56,188 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:52:56,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 16:52:56,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:56,404 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:52:56,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:52:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2029850711, now seen corresponding path program 1 times [2022-02-20 16:52:56,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:52:56,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410329759] [2022-02-20 16:52:56,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:56,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:52:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:56,664 INFO L290 TraceCheckUtils]: 0: Hoare triple {3060#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); {3060#true} is VALID [2022-02-20 16:52:56,665 INFO L290 TraceCheckUtils]: 1: Hoare triple {3060#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {3062#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:56,666 INFO L290 TraceCheckUtils]: 2: Hoare triple {3062#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3062#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:56,667 INFO L290 TraceCheckUtils]: 3: Hoare triple {3062#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3063#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,668 INFO L290 TraceCheckUtils]: 4: Hoare triple {3063#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {3063#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,669 INFO L290 TraceCheckUtils]: 5: Hoare triple {3063#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_~marked~0#1);call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3064#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:52:56,669 INFO L290 TraceCheckUtils]: 6: Hoare triple {3064#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3064#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:52:56,671 INFO L290 TraceCheckUtils]: 7: Hoare triple {3064#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3065#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,671 INFO L290 TraceCheckUtils]: 8: Hoare triple {3065#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {3066#(or (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~marked~0#1| 0))} is VALID [2022-02-20 16:52:56,672 INFO L290 TraceCheckUtils]: 9: Hoare triple {3066#(or (and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0)) (= |ULTIMATE.start_main_~marked~0#1| 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3067#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,672 INFO L290 TraceCheckUtils]: 10: Hoare triple {3067#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3067#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,673 INFO L290 TraceCheckUtils]: 11: Hoare triple {3067#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {3067#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,673 INFO L290 TraceCheckUtils]: 12: Hoare triple {3067#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,674 INFO L290 TraceCheckUtils]: 13: Hoare triple {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,674 INFO L290 TraceCheckUtils]: 14: Hoare triple {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,679 INFO L290 TraceCheckUtils]: 15: Hoare triple {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_~marked~0#1 := 0; {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,679 INFO L290 TraceCheckUtils]: 16: Hoare triple {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,680 INFO L290 TraceCheckUtils]: 17: Hoare triple {3068#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {3069#(and |ULTIMATE.start_main_#t~short9#1| (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:56,680 INFO L290 TraceCheckUtils]: 18: Hoare triple {3069#(and |ULTIMATE.start_main_#t~short9#1| (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {3061#false} is VALID [2022-02-20 16:52:56,680 INFO L290 TraceCheckUtils]: 19: Hoare triple {3061#false} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {3061#false} is VALID [2022-02-20 16:52:56,681 INFO L290 TraceCheckUtils]: 20: Hoare triple {3061#false} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {3061#false} is VALID [2022-02-20 16:52:56,681 INFO L290 TraceCheckUtils]: 21: Hoare triple {3061#false} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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; {3061#false} is VALID [2022-02-20 16:52:56,681 INFO L290 TraceCheckUtils]: 22: Hoare triple {3061#false} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3061#false} is VALID [2022-02-20 16:52:56,681 INFO L290 TraceCheckUtils]: 23: Hoare triple {3061#false} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {3061#false} is VALID [2022-02-20 16:52:56,681 INFO L290 TraceCheckUtils]: 24: Hoare triple {3061#false} assume !false; {3061#false} is VALID [2022-02-20 16:52:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:56,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:52:56,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410329759] [2022-02-20 16:52:56,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410329759] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:52:56,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69283114] [2022-02-20 16:52:56,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:52:56,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:52:56,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:52:56,683 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:52:56,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 16:52:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:56,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 73 conjunts are in the unsatisfiable core [2022-02-20 16:52:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:52:56,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:52:56,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:52:56,852 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:52:56,853 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:52:56,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:52:56,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:52:56,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:52:56,886 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:52:56,969 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 13 treesize of output 9 [2022-02-20 16:52:56,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:52:56,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:52:57,113 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-02-20 16:52:57,114 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 70 [2022-02-20 16:52:57,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:57,134 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-02-20 16:52:57,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 86 [2022-02-20 16:52:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:57,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2022-02-20 16:52:57,160 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2022-02-20 16:52:57,177 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-02-20 16:52:57,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 16:52:57,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-02-20 16:52:57,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 16:52:57,308 INFO L356 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-02-20 16:52:57,308 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 76 [2022-02-20 16:52:57,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:52:57,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2022-02-20 16:52:57,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-02-20 16:52:57,632 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:52:57,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 65 [2022-02-20 16:52:57,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:52:57,674 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 43 treesize of output 17 [2022-02-20 16:52:57,717 INFO L290 TraceCheckUtils]: 0: Hoare triple {3060#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); {3060#true} is VALID [2022-02-20 16:52:57,718 INFO L290 TraceCheckUtils]: 1: Hoare triple {3060#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {3062#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:57,719 INFO L290 TraceCheckUtils]: 2: Hoare triple {3062#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3062#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:52:57,720 INFO L290 TraceCheckUtils]: 3: Hoare triple {3062#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3063#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:57,721 INFO L290 TraceCheckUtils]: 4: Hoare triple {3063#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {3063#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:57,721 INFO L290 TraceCheckUtils]: 5: Hoare triple {3063#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_~marked~0#1);call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3064#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:52:57,722 INFO L290 TraceCheckUtils]: 6: Hoare triple {3064#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3064#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:52:57,724 INFO L290 TraceCheckUtils]: 7: Hoare triple {3064#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3094#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:57,724 INFO L290 TraceCheckUtils]: 8: Hoare triple {3094#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {3094#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:57,725 INFO L290 TraceCheckUtils]: 9: Hoare triple {3094#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3101#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:57,726 INFO L290 TraceCheckUtils]: 10: Hoare triple {3101#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3101#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:57,726 INFO L290 TraceCheckUtils]: 11: Hoare triple {3101#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {3101#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:52:57,727 INFO L290 TraceCheckUtils]: 12: Hoare triple {3101#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:52:57,728 INFO L290 TraceCheckUtils]: 13: Hoare triple {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:52:57,728 INFO L290 TraceCheckUtils]: 14: Hoare triple {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} goto; {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:52:57,729 INFO L290 TraceCheckUtils]: 15: Hoare triple {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} main_~marked~0#1 := 0; {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:52:57,736 INFO L290 TraceCheckUtils]: 16: Hoare triple {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:52:57,738 INFO L290 TraceCheckUtils]: 17: Hoare triple {3111#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {3127#(and (exists ((v_arrayElimIndex_6 Int)) (and (= (select (select |#memory_$Pointer$.offset| v_arrayElimIndex_6) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= v_arrayElimIndex_6 |ULTIMATE.start_main_~x~0#1.base|)))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) |ULTIMATE.start_main_#t~short9#1| (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:52:57,738 INFO L290 TraceCheckUtils]: 18: Hoare triple {3127#(and (exists ((v_arrayElimIndex_6 Int)) (and (= (select (select |#memory_$Pointer$.offset| v_arrayElimIndex_6) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= v_arrayElimIndex_6 |ULTIMATE.start_main_~x~0#1.base|)))) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) |ULTIMATE.start_main_#t~short9#1| (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {3061#false} is VALID [2022-02-20 16:52:57,739 INFO L290 TraceCheckUtils]: 19: Hoare triple {3061#false} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {3061#false} is VALID [2022-02-20 16:52:57,739 INFO L290 TraceCheckUtils]: 20: Hoare triple {3061#false} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {3061#false} is VALID [2022-02-20 16:52:57,739 INFO L290 TraceCheckUtils]: 21: Hoare triple {3061#false} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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; {3061#false} is VALID [2022-02-20 16:52:57,739 INFO L290 TraceCheckUtils]: 22: Hoare triple {3061#false} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3061#false} is VALID [2022-02-20 16:52:57,739 INFO L290 TraceCheckUtils]: 23: Hoare triple {3061#false} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {3061#false} is VALID [2022-02-20 16:52:57,739 INFO L290 TraceCheckUtils]: 24: Hoare triple {3061#false} assume !false; {3061#false} is VALID [2022-02-20 16:52:57,748 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:52:57,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:52:57,822 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_506 (Array Int Int)) (v_ArrVal_505 (Array Int Int)) (v_ArrVal_507 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_507) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_505) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_506) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)) is different from false [2022-02-20 16:52:58,028 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,028 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 51 treesize of output 55 [2022-02-20 16:52:58,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:52:58,042 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,043 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 54 treesize of output 60 [2022-02-20 16:52:58,055 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,056 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 106 treesize of output 109 [2022-02-20 16:52:58,068 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,068 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 83 treesize of output 83 [2022-02-20 16:52:58,075 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 37 treesize of output 21 [2022-02-20 16:52:58,154 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 24 treesize of output 20 [2022-02-20 16:52:58,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,217 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,233 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 24 treesize of output 20 [2022-02-20 16:52:58,261 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 24 treesize of output 20 [2022-02-20 16:52:58,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,303 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,314 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_12 (Array Int Int)) (v_arrayElimArr_14 (Array Int Int))) (or (not (= (select v_arrayElimArr_14 |c_ULTIMATE.start_main_~x~0#1.offset|) 0)) (not (= (select |c_#valid| (select v_arrayElimArr_12 |c_ULTIMATE.start_main_~x~0#1.offset|)) 0)) (and (forall ((v_ArrVal_506 (Array Int Int))) (= |c_ULTIMATE.start_main_~x~0#1.offset| (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_12 |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_506) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_505 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) (select v_arrayElimArr_12 |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_505) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_505 (Array Int Int))) (not (let ((.cse0 (select v_arrayElimArr_12 |c_ULTIMATE.start_main_~x~0#1.offset|))) (= .cse0 (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) .cse0 v_ArrVal_505) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))))))) is different from false [2022-02-20 16:52:58,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,356 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 24 treesize of output 20 [2022-02-20 16:52:58,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-02-20 16:52:58,417 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:52:58,479 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,480 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 73 treesize of output 74 [2022-02-20 16:52:58,486 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 66 [2022-02-20 16:52:58,498 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,498 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 111 treesize of output 114 [2022-02-20 16:52:58,514 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,515 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 120 treesize of output 124 [2022-02-20 16:52:58,540 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,540 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 222 treesize of output 221 [2022-02-20 16:52:58,560 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:52:58,561 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 232 treesize of output 202 [2022-02-20 16:52:58,589 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 142 treesize of output 138 [2022-02-20 16:52:58,607 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 138 treesize of output 134 [2022-02-20 16:52:58,626 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 134 treesize of output 130 [2022-02-20 16:52:59,402 INFO L290 TraceCheckUtils]: 24: Hoare triple {3061#false} assume !false; {3061#false} is VALID [2022-02-20 16:52:59,402 INFO L290 TraceCheckUtils]: 23: Hoare triple {3061#false} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {3061#false} is VALID [2022-02-20 16:52:59,402 INFO L290 TraceCheckUtils]: 22: Hoare triple {3061#false} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3061#false} is VALID [2022-02-20 16:52:59,402 INFO L290 TraceCheckUtils]: 21: Hoare triple {3061#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;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {3061#false} is VALID [2022-02-20 16:52:59,402 INFO L290 TraceCheckUtils]: 20: Hoare triple {3061#false} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {3061#false} is VALID [2022-02-20 16:52:59,403 INFO L290 TraceCheckUtils]: 19: Hoare triple {3061#false} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {3061#false} is VALID [2022-02-20 16:52:59,403 INFO L290 TraceCheckUtils]: 18: Hoare triple {3167#|ULTIMATE.start_main_#t~short9#1|} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {3061#false} is VALID [2022-02-20 16:52:59,403 INFO L290 TraceCheckUtils]: 17: Hoare triple {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {3167#|ULTIMATE.start_main_#t~short9#1|} is VALID [2022-02-20 16:52:59,404 INFO L290 TraceCheckUtils]: 16: Hoare triple {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:59,404 INFO L290 TraceCheckUtils]: 15: Hoare triple {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} main_~marked~0#1 := 0; {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:59,406 INFO L290 TraceCheckUtils]: 14: Hoare triple {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} goto; {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:59,406 INFO L290 TraceCheckUtils]: 13: Hoare triple {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:59,407 INFO L290 TraceCheckUtils]: 12: Hoare triple {3187#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3171#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:59,407 INFO L290 TraceCheckUtils]: 11: Hoare triple {3187#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {3187#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:59,407 INFO L290 TraceCheckUtils]: 10: Hoare triple {3187#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3187#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:59,408 INFO L290 TraceCheckUtils]: 9: Hoare triple {3197#(forall ((v_ArrVal_506 (Array Int Int)) (v_ArrVal_505 (Array Int Int)) (v_ArrVal_507 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_507) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3187#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0)} is VALID [2022-02-20 16:52:59,409 INFO L290 TraceCheckUtils]: 8: Hoare triple {3197#(forall ((v_ArrVal_506 (Array Int Int)) (v_ArrVal_505 (Array Int Int)) (v_ArrVal_507 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_507) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {3197#(forall ((v_ArrVal_506 (Array Int Int)) (v_ArrVal_505 (Array Int Int)) (v_ArrVal_507 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_507) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0))} is VALID [2022-02-20 16:52:59,416 WARN L290 TraceCheckUtils]: 7: Hoare triple {3204#(forall ((v_ArrVal_506 (Array Int Int)) (v_ArrVal_495 Int) (v_ArrVal_505 (Array Int Int)) (v_ArrVal_507 (Array Int Int)) (v_ArrVal_503 Int)) (or (not (= (select |#valid| v_ArrVal_495) 0)) (= 0 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_503)) v_ArrVal_495 v_ArrVal_507) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_495)) v_ArrVal_495 v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) v_ArrVal_495 v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3197#(forall ((v_ArrVal_506 (Array Int Int)) (v_ArrVal_505 (Array Int Int)) (v_ArrVal_507 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_507) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 0))} is UNKNOWN [2022-02-20 16:52:59,417 INFO L290 TraceCheckUtils]: 6: Hoare triple {3204#(forall ((v_ArrVal_506 (Array Int Int)) (v_ArrVal_495 Int) (v_ArrVal_505 (Array Int Int)) (v_ArrVal_507 (Array Int Int)) (v_ArrVal_503 Int)) (or (not (= (select |#valid| v_ArrVal_495) 0)) (= 0 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_503)) v_ArrVal_495 v_ArrVal_507) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_495)) v_ArrVal_495 v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) v_ArrVal_495 v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3204#(forall ((v_ArrVal_506 (Array Int Int)) (v_ArrVal_495 Int) (v_ArrVal_505 (Array Int Int)) (v_ArrVal_507 (Array Int Int)) (v_ArrVal_503 Int)) (or (not (= (select |#valid| v_ArrVal_495) 0)) (= 0 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_503)) v_ArrVal_495 v_ArrVal_507) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_495)) v_ArrVal_495 v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) v_ArrVal_495 v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))))} is VALID [2022-02-20 16:52:59,423 INFO L290 TraceCheckUtils]: 5: Hoare triple {3211#(forall ((v_arrayElimArr_12 (Array Int Int)) (v_arrayElimArr_14 (Array Int Int))) (or (and (forall ((v_ArrVal_506 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_505 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_505 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|))))) (not (= (select v_arrayElimArr_14 |ULTIMATE.start_main_~x~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} assume !(0 != main_~marked~0#1);call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3204#(forall ((v_ArrVal_506 (Array Int Int)) (v_ArrVal_495 Int) (v_ArrVal_505 (Array Int Int)) (v_ArrVal_507 (Array Int Int)) (v_ArrVal_503 Int)) (or (not (= (select |#valid| v_ArrVal_495) 0)) (= 0 (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_503)) v_ArrVal_495 v_ArrVal_507) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_495)) v_ArrVal_495 v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) v_ArrVal_495 v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)))))} is VALID [2022-02-20 16:52:59,427 WARN L290 TraceCheckUtils]: 4: Hoare triple {3211#(forall ((v_arrayElimArr_12 (Array Int Int)) (v_arrayElimArr_14 (Array Int Int))) (or (and (forall ((v_ArrVal_506 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_505 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_505 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|))))) (not (= (select v_arrayElimArr_14 |ULTIMATE.start_main_~x~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {3211#(forall ((v_arrayElimArr_12 (Array Int Int)) (v_arrayElimArr_14 (Array Int Int))) (or (and (forall ((v_ArrVal_506 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_505 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_505 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|))))) (not (= (select v_arrayElimArr_14 |ULTIMATE.start_main_~x~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is UNKNOWN [2022-02-20 16:52:59,428 INFO L290 TraceCheckUtils]: 3: Hoare triple {3218#(forall ((v_arrayElimCell_85 Int) (v_arrayElimCell_88 Int)) (or (not (= (select |#valid| v_arrayElimCell_85) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (= v_arrayElimCell_88 |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_85 |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| v_arrayElimCell_85 1) v_arrayElimCell_88) 0))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3211#(forall ((v_arrayElimArr_12 (Array Int Int)) (v_arrayElimArr_14 (Array Int Int))) (or (and (forall ((v_ArrVal_506 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_14) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_506) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_505 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_505 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_12) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_505) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|))))) (not (= (select v_arrayElimArr_14 |ULTIMATE.start_main_~x~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_12 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is VALID [2022-02-20 16:52:59,429 INFO L290 TraceCheckUtils]: 2: Hoare triple {3218#(forall ((v_arrayElimCell_85 Int) (v_arrayElimCell_88 Int)) (or (not (= (select |#valid| v_arrayElimCell_85) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (= v_arrayElimCell_88 |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_85 |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| v_arrayElimCell_85 1) v_arrayElimCell_88) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3218#(forall ((v_arrayElimCell_85 Int) (v_arrayElimCell_88 Int)) (or (not (= (select |#valid| v_arrayElimCell_85) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (= v_arrayElimCell_88 |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_85 |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| v_arrayElimCell_85 1) v_arrayElimCell_88) 0))))} is VALID [2022-02-20 16:52:59,430 INFO L290 TraceCheckUtils]: 1: Hoare triple {3060#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {3218#(forall ((v_arrayElimCell_85 Int) (v_arrayElimCell_88 Int)) (or (not (= (select |#valid| v_arrayElimCell_85) 0)) (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (not (= v_arrayElimCell_88 |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_85 |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| v_arrayElimCell_85 1) v_arrayElimCell_88) 0))))} is VALID [2022-02-20 16:52:59,430 INFO L290 TraceCheckUtils]: 0: Hoare triple {3060#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); {3060#true} is VALID [2022-02-20 16:52:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 16:52:59,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69283114] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:52:59,431 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:52:59,431 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 21 [2022-02-20 16:52:59,431 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981514035] [2022-02-20 16:52:59,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:52:59,432 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-02-20 16:52:59,432 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:52:59,432 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:52:59,510 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 54 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:52:59,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-20 16:52:59,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:52:59,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-20 16:52:59,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=286, Unknown=3, NotChecked=70, Total=420 [2022-02-20 16:52:59,512 INFO L87 Difference]: Start difference. First operand 101 states and 127 transitions. Second operand has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:00,754 INFO L93 Difference]: Finished difference Result 205 states and 256 transitions. [2022-02-20 16:53:00,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 16:53:00,754 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-02-20 16:53:00,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 183 transitions. [2022-02-20 16:53:00,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 183 transitions. [2022-02-20 16:53:00,757 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 183 transitions. [2022-02-20 16:53:00,888 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:00,890 INFO L225 Difference]: With dead ends: 205 [2022-02-20 16:53:00,890 INFO L226 Difference]: Without dead ends: 152 [2022-02-20 16:53:00,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=492, Unknown=5, NotChecked=94, Total=702 [2022-02-20 16:53:00,891 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 91 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 321 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:00,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 588 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 236 Invalid, 0 Unknown, 321 Unchecked, 0.3s Time] [2022-02-20 16:53:00,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-02-20 16:53:00,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 115. [2022-02-20 16:53:00,918 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:00,918 INFO L82 GeneralOperation]: Start isEquivalent. First operand 152 states. Second operand has 115 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 114 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,919 INFO L74 IsIncluded]: Start isIncluded. First operand 152 states. Second operand has 115 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 114 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,919 INFO L87 Difference]: Start difference. First operand 152 states. Second operand has 115 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 114 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:00,921 INFO L93 Difference]: Finished difference Result 152 states and 190 transitions. [2022-02-20 16:53:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-02-20 16:53:00,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:00,922 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:00,922 INFO L74 IsIncluded]: Start isIncluded. First operand has 115 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 114 states have internal predecessors, (145), 0 states have call successors, (0), 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 152 states. [2022-02-20 16:53:00,923 INFO L87 Difference]: Start difference. First operand has 115 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 114 states have internal predecessors, (145), 0 states have call successors, (0), 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 152 states. [2022-02-20 16:53:00,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:00,925 INFO L93 Difference]: Finished difference Result 152 states and 190 transitions. [2022-02-20 16:53:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-02-20 16:53:00,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:00,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:00,926 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:00,926 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 109 states have (on average 1.3302752293577982) internal successors, (145), 114 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 145 transitions. [2022-02-20 16:53:00,928 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 145 transitions. Word has length 25 [2022-02-20 16:53:00,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:00,928 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 145 transitions. [2022-02-20 16:53:00,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 21 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 145 transitions. [2022-02-20 16:53:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 16:53:00,929 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:00,929 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:00,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:01,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:01,146 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:01,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:01,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1220504085, now seen corresponding path program 1 times [2022-02-20 16:53:01,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:53:01,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811150327] [2022-02-20 16:53:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:01,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:53:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:01,208 INFO L290 TraceCheckUtils]: 0: Hoare triple {3923#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); {3923#true} is VALID [2022-02-20 16:53:01,208 INFO L290 TraceCheckUtils]: 1: Hoare triple {3923#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {3923#true} is VALID [2022-02-20 16:53:01,208 INFO L290 TraceCheckUtils]: 2: Hoare triple {3923#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3923#true} is VALID [2022-02-20 16:53:01,208 INFO L290 TraceCheckUtils]: 3: Hoare triple {3923#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3923#true} is VALID [2022-02-20 16:53:01,208 INFO L290 TraceCheckUtils]: 4: Hoare triple {3923#true} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {3923#true} is VALID [2022-02-20 16:53:01,209 INFO L290 TraceCheckUtils]: 5: Hoare triple {3923#true} assume !(0 != main_~marked~0#1);call write~int(0, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3923#true} is VALID [2022-02-20 16:53:01,209 INFO L290 TraceCheckUtils]: 6: Hoare triple {3923#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3923#true} is VALID [2022-02-20 16:53:01,209 INFO L290 TraceCheckUtils]: 7: Hoare triple {3923#true} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {3923#true} is VALID [2022-02-20 16:53:01,209 INFO L290 TraceCheckUtils]: 8: Hoare triple {3923#true} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {3923#true} is VALID [2022-02-20 16:53:01,209 INFO L290 TraceCheckUtils]: 9: Hoare triple {3923#true} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3923#true} is VALID [2022-02-20 16:53:01,209 INFO L290 TraceCheckUtils]: 10: Hoare triple {3923#true} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {3923#true} is VALID [2022-02-20 16:53:01,209 INFO L290 TraceCheckUtils]: 11: Hoare triple {3923#true} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {3923#true} is VALID [2022-02-20 16:53:01,210 INFO L290 TraceCheckUtils]: 12: Hoare triple {3923#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3923#true} is VALID [2022-02-20 16:53:01,210 INFO L290 TraceCheckUtils]: 13: Hoare triple {3923#true} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {3923#true} is VALID [2022-02-20 16:53:01,210 INFO L290 TraceCheckUtils]: 14: Hoare triple {3923#true} goto; {3923#true} is VALID [2022-02-20 16:53:01,210 INFO L290 TraceCheckUtils]: 15: Hoare triple {3923#true} main_~marked~0#1 := 0; {3923#true} is VALID [2022-02-20 16:53:01,211 INFO L290 TraceCheckUtils]: 16: Hoare triple {3923#true} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {3925#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) |ULTIMATE.start_main_#t~short9#1|)} is VALID [2022-02-20 16:53:01,211 INFO L290 TraceCheckUtils]: 17: Hoare triple {3925#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) |ULTIMATE.start_main_#t~short9#1|)} assume !main_#t~short9#1; {3926#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,212 INFO L290 TraceCheckUtils]: 18: Hoare triple {3926#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {3926#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,212 INFO L290 TraceCheckUtils]: 19: Hoare triple {3926#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {3927#(not |ULTIMATE.start_main_#t~short14#1|)} is VALID [2022-02-20 16:53:01,213 INFO L290 TraceCheckUtils]: 20: Hoare triple {3927#(not |ULTIMATE.start_main_#t~short14#1|)} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {3924#false} is VALID [2022-02-20 16:53:01,213 INFO L290 TraceCheckUtils]: 21: Hoare triple {3924#false} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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; {3924#false} is VALID [2022-02-20 16:53:01,213 INFO L290 TraceCheckUtils]: 22: Hoare triple {3924#false} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {3924#false} is VALID [2022-02-20 16:53:01,213 INFO L290 TraceCheckUtils]: 23: Hoare triple {3924#false} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {3924#false} is VALID [2022-02-20 16:53:01,213 INFO L290 TraceCheckUtils]: 24: Hoare triple {3924#false} assume !false; {3924#false} is VALID [2022-02-20 16:53:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-20 16:53:01,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:53:01,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811150327] [2022-02-20 16:53:01,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811150327] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:53:01,215 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:53:01,215 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 16:53:01,215 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277150597] [2022-02-20 16:53:01,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:53:01,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 25 [2022-02-20 16:53:01,215 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:01,216 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:01,228 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:01,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 16:53:01,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:53:01,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 16:53:01,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:53:01,229 INFO L87 Difference]: Start difference. First operand 115 states and 145 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:01,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:01,393 INFO L93 Difference]: Finished difference Result 184 states and 235 transitions. [2022-02-20 16:53:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 16:53:01,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 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 25 [2022-02-20 16:53:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 113 transitions. [2022-02-20 16:53:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 113 transitions. [2022-02-20 16:53:01,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 113 transitions. [2022-02-20 16:53:01,459 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 113 edges. 113 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:01,460 INFO L225 Difference]: With dead ends: 184 [2022-02-20 16:53:01,460 INFO L226 Difference]: Without dead ends: 130 [2022-02-20 16:53:01,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:53:01,461 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 14 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:01,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 146 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:53:01,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-02-20 16:53:01,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 121. [2022-02-20 16:53:01,485 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:01,485 INFO L82 GeneralOperation]: Start isEquivalent. First operand 130 states. Second operand has 121 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 120 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:01,485 INFO L74 IsIncluded]: Start isIncluded. First operand 130 states. Second operand has 121 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 120 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:01,485 INFO L87 Difference]: Start difference. First operand 130 states. Second operand has 121 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 120 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:01,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:01,497 INFO L93 Difference]: Finished difference Result 130 states and 160 transitions. [2022-02-20 16:53:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2022-02-20 16:53:01,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:01,498 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:01,503 INFO L74 IsIncluded]: Start isIncluded. First operand has 121 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 120 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 130 states. [2022-02-20 16:53:01,505 INFO L87 Difference]: Start difference. First operand has 121 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 120 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 130 states. [2022-02-20 16:53:01,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:01,507 INFO L93 Difference]: Finished difference Result 130 states and 160 transitions. [2022-02-20 16:53:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2022-02-20 16:53:01,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:01,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:01,507 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:01,507 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 120 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 151 transitions. [2022-02-20 16:53:01,509 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 151 transitions. Word has length 25 [2022-02-20 16:53:01,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:01,510 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 151 transitions. [2022-02-20 16:53:01,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 151 transitions. [2022-02-20 16:53:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 16:53:01,510 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:01,511 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:01,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 16:53:01,511 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:01,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:01,511 INFO L85 PathProgramCache]: Analyzing trace with hash 836449433, now seen corresponding path program 1 times [2022-02-20 16:53:01,512 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:53:01,512 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928351800] [2022-02-20 16:53:01,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:01,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:53:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:01,805 INFO L290 TraceCheckUtils]: 0: Hoare triple {4551#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); {4551#true} is VALID [2022-02-20 16:53:01,806 INFO L290 TraceCheckUtils]: 1: Hoare triple {4551#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {4553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:01,807 INFO L290 TraceCheckUtils]: 2: Hoare triple {4553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:01,808 INFO L290 TraceCheckUtils]: 3: Hoare triple {4553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {4554#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,808 INFO L290 TraceCheckUtils]: 4: Hoare triple {4554#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {4555#(or (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~x~0#1.base|))))} is VALID [2022-02-20 16:53:01,809 INFO L290 TraceCheckUtils]: 5: Hoare triple {4555#(or (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~x~0#1.base|))))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {4556#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,810 INFO L290 TraceCheckUtils]: 6: Hoare triple {4556#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4556#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,811 INFO L290 TraceCheckUtils]: 7: Hoare triple {4556#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {4557#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,812 INFO L290 TraceCheckUtils]: 8: Hoare triple {4557#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {4557#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,813 INFO L290 TraceCheckUtils]: 9: Hoare triple {4557#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {4558#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,813 INFO L290 TraceCheckUtils]: 10: Hoare triple {4558#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4558#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,814 INFO L290 TraceCheckUtils]: 11: Hoare triple {4558#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {4558#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,814 INFO L290 TraceCheckUtils]: 12: Hoare triple {4558#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,814 INFO L290 TraceCheckUtils]: 13: Hoare triple {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,815 INFO L290 TraceCheckUtils]: 14: Hoare triple {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,815 INFO L290 TraceCheckUtils]: 15: Hoare triple {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_~marked~0#1 := 0; {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,816 INFO L290 TraceCheckUtils]: 16: Hoare triple {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,816 INFO L290 TraceCheckUtils]: 17: Hoare triple {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,817 INFO L290 TraceCheckUtils]: 18: Hoare triple {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,817 INFO L290 TraceCheckUtils]: 19: Hoare triple {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,817 INFO L290 TraceCheckUtils]: 20: Hoare triple {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:01,818 INFO L290 TraceCheckUtils]: 21: Hoare triple {4559#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 4) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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; {4560#(= (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 16:53:01,818 INFO L290 TraceCheckUtils]: 22: Hoare triple {4560#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {4561#(= |ULTIMATE.start_main_#t~mem16#1| 1)} is VALID [2022-02-20 16:53:01,818 INFO L290 TraceCheckUtils]: 23: Hoare triple {4561#(= |ULTIMATE.start_main_#t~mem16#1| 1)} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {4552#false} is VALID [2022-02-20 16:53:01,819 INFO L290 TraceCheckUtils]: 24: Hoare triple {4552#false} assume !false; {4552#false} is VALID [2022-02-20 16:53:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:01,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:53:01,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928351800] [2022-02-20 16:53:01,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928351800] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:53:01,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444349511] [2022-02-20 16:53:01,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:01,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:01,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:53:01,820 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:53:01,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 16:53:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:01,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 71 conjunts are in the unsatisfiable core [2022-02-20 16:53:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:01,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:01,943 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:01,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:01,997 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:01,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:53:02,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-02-20 16:53:02,021 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:53:02,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:53:02,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:02,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:02,108 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 13 treesize of output 9 [2022-02-20 16:53:02,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:02,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:02,250 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-02-20 16:53:02,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 70 [2022-02-20 16:53:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:02,278 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-02-20 16:53:02,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 86 [2022-02-20 16:53:02,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:02,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2022-02-20 16:53:02,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2022-02-20 16:53:02,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:02,316 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 20 treesize of output 22 [2022-02-20 16:53:02,331 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-02-20 16:53:02,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 16:53:02,339 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-02-20 16:53:02,454 INFO L356 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-02-20 16:53:02,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 76 [2022-02-20 16:53:02,461 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 28 treesize of output 30 [2022-02-20 16:53:02,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:02,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2022-02-20 16:53:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:02,920 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-02-20 16:53:02,961 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:53:02,961 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 28 [2022-02-20 16:53:03,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:53:03,119 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 10 [2022-02-20 16:53:03,131 INFO L290 TraceCheckUtils]: 0: Hoare triple {4551#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); {4551#true} is VALID [2022-02-20 16:53:03,132 INFO L290 TraceCheckUtils]: 1: Hoare triple {4551#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {4553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:03,139 INFO L290 TraceCheckUtils]: 2: Hoare triple {4553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:03,141 INFO L290 TraceCheckUtils]: 3: Hoare triple {4553#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {4554#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,141 INFO L290 TraceCheckUtils]: 4: Hoare triple {4554#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {4554#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,142 INFO L290 TraceCheckUtils]: 5: Hoare triple {4554#(and (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {4580#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,143 INFO L290 TraceCheckUtils]: 6: Hoare triple {4580#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4580#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,144 INFO L290 TraceCheckUtils]: 7: Hoare triple {4580#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 1) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {4587#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,145 INFO L290 TraceCheckUtils]: 8: Hoare triple {4587#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {4587#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,146 INFO L290 TraceCheckUtils]: 9: Hoare triple {4587#(and (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|)) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {4594#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,147 INFO L290 TraceCheckUtils]: 10: Hoare triple {4594#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4594#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,147 INFO L290 TraceCheckUtils]: 11: Hoare triple {4594#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {4594#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:03,148 INFO L290 TraceCheckUtils]: 12: Hoare triple {4594#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 1) (<= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (<= 0 |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:03,148 INFO L290 TraceCheckUtils]: 13: Hoare triple {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:03,149 INFO L290 TraceCheckUtils]: 14: Hoare triple {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} goto; {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:03,149 INFO L290 TraceCheckUtils]: 15: Hoare triple {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} main_~marked~0#1 := 0; {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:03,150 INFO L290 TraceCheckUtils]: 16: Hoare triple {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:03,151 INFO L290 TraceCheckUtils]: 17: Hoare triple {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:03,151 INFO L290 TraceCheckUtils]: 18: Hoare triple {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:03,152 INFO L290 TraceCheckUtils]: 19: Hoare triple {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:03,152 INFO L290 TraceCheckUtils]: 20: Hoare triple {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:03,153 INFO L290 TraceCheckUtils]: 21: Hoare triple {4604#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1) (<= 0 |ULTIMATE.start_main_~x~0#1.offset|) (<= |ULTIMATE.start_main_~x~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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; {4632#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_62| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_62| 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_62|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_62|)) 1))))} is VALID [2022-02-20 16:53:03,154 INFO L290 TraceCheckUtils]: 22: Hoare triple {4632#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (exists ((|v_ULTIMATE.start_main_~x~0#1.offset_62| Int)) (and (<= |v_ULTIMATE.start_main_~x~0#1.offset_62| 0) (<= 0 |v_ULTIMATE.start_main_~x~0#1.offset_62|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~x~0#1.offset_62|)) 1))))} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {4561#(= |ULTIMATE.start_main_#t~mem16#1| 1)} is VALID [2022-02-20 16:53:03,154 INFO L290 TraceCheckUtils]: 23: Hoare triple {4561#(= |ULTIMATE.start_main_#t~mem16#1| 1)} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {4552#false} is VALID [2022-02-20 16:53:03,154 INFO L290 TraceCheckUtils]: 24: Hoare triple {4552#false} assume !false; {4552#false} is VALID [2022-02-20 16:53:03,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:03,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:03,238 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_713 (Array Int Int)) (v_ArrVal_715 (Array Int Int)) (v_ArrVal_714 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_715) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_713) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_714) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)) is different from false [2022-02-20 16:53:03,453 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,454 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 51 treesize of output 55 [2022-02-20 16:53:03,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:53:03,483 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,483 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 54 treesize of output 60 [2022-02-20 16:53:03,495 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,496 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 106 treesize of output 109 [2022-02-20 16:53:03,503 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,503 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 83 treesize of output 83 [2022-02-20 16:53:03,509 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 37 treesize of output 21 [2022-02-20 16:53:03,569 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 24 treesize of output 20 [2022-02-20 16:53:03,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,623 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,645 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 24 treesize of output 20 [2022-02-20 16:53:03,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,691 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 24 treesize of output 20 [2022-02-20 16:53:03,732 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_24 (Array Int Int))) (or (not (= (select |c_#valid| (select v_arrayElimArr_22 |c_ULTIMATE.start_main_~x~0#1.offset|)) 0)) (and (forall ((v_ArrVal_713 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) (select v_arrayElimArr_22 |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_713) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_714 (Array Int Int))) (= |c_ULTIMATE.start_main_~x~0#1.offset| (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_24) (select v_arrayElimArr_22 |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_714) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_713 (Array Int Int))) (not (let ((.cse0 (select v_arrayElimArr_22 |c_ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) .cse0 v_ArrVal_713) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) .cse0))))) (not (= (select v_arrayElimArr_24 |c_ULTIMATE.start_main_~x~0#1.offset|) 0)))) is different from false [2022-02-20 16:53:03,751 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,772 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 24 treesize of output 20 [2022-02-20 16:53:03,802 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-02-20 16:53:03,819 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 24 treesize of output 20 [2022-02-20 16:53:03,896 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,896 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 73 treesize of output 74 [2022-02-20 16:53:03,904 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,904 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 74 treesize of output 66 [2022-02-20 16:53:03,917 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,917 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 111 treesize of output 114 [2022-02-20 16:53:03,931 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,932 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 120 treesize of output 124 [2022-02-20 16:53:03,958 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,959 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 300 treesize of output 295 [2022-02-20 16:53:03,980 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:03,980 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 306 treesize of output 262 [2022-02-20 16:53:04,010 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 202 treesize of output 198 [2022-02-20 16:53:04,028 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 198 treesize of output 194 [2022-02-20 16:53:04,050 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 194 treesize of output 186 [2022-02-20 16:53:04,633 INFO L290 TraceCheckUtils]: 24: Hoare triple {4552#false} assume !false; {4552#false} is VALID [2022-02-20 16:53:04,634 INFO L290 TraceCheckUtils]: 23: Hoare triple {4561#(= |ULTIMATE.start_main_#t~mem16#1| 1)} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {4552#false} is VALID [2022-02-20 16:53:04,634 INFO L290 TraceCheckUtils]: 22: Hoare triple {4560#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {4561#(= |ULTIMATE.start_main_#t~mem16#1| 1)} is VALID [2022-02-20 16:53:04,635 INFO L290 TraceCheckUtils]: 21: Hoare triple {4651#(= (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$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {4560#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 1)} is VALID [2022-02-20 16:53:04,635 INFO L290 TraceCheckUtils]: 20: Hoare triple {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,636 INFO L290 TraceCheckUtils]: 19: Hoare triple {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,636 INFO L290 TraceCheckUtils]: 18: Hoare triple {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,637 INFO L290 TraceCheckUtils]: 17: Hoare triple {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,637 INFO L290 TraceCheckUtils]: 16: Hoare triple {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,638 INFO L290 TraceCheckUtils]: 15: Hoare triple {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} main_~marked~0#1 := 0; {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,638 INFO L290 TraceCheckUtils]: 14: Hoare triple {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} goto; {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,639 INFO L290 TraceCheckUtils]: 13: Hoare triple {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,639 INFO L290 TraceCheckUtils]: 12: Hoare triple {4679#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4651#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,639 INFO L290 TraceCheckUtils]: 11: Hoare triple {4679#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {4679#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,640 INFO L290 TraceCheckUtils]: 10: Hoare triple {4679#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4679#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,641 INFO L290 TraceCheckUtils]: 9: Hoare triple {4689#(forall ((v_ArrVal_713 (Array Int Int)) (v_ArrVal_715 (Array Int Int)) (v_ArrVal_714 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_715) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {4679#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1)} is VALID [2022-02-20 16:53:04,641 INFO L290 TraceCheckUtils]: 8: Hoare triple {4689#(forall ((v_ArrVal_713 (Array Int Int)) (v_ArrVal_715 (Array Int Int)) (v_ArrVal_714 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_715) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {4689#(forall ((v_ArrVal_713 (Array Int Int)) (v_ArrVal_715 (Array Int Int)) (v_ArrVal_714 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_715) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} is VALID [2022-02-20 16:53:04,648 WARN L290 TraceCheckUtils]: 7: Hoare triple {4696#(forall ((v_ArrVal_713 (Array Int Int)) (v_ArrVal_715 (Array Int Int)) (v_ArrVal_714 (Array Int Int)) (v_ArrVal_702 Int) (v_ArrVal_712 Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_712)) v_ArrVal_702 v_ArrVal_715) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_702)) v_ArrVal_702 v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) v_ArrVal_702 v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1) (not (= (select |#valid| v_ArrVal_702) 0))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {4689#(forall ((v_ArrVal_713 (Array Int Int)) (v_ArrVal_715 (Array Int Int)) (v_ArrVal_714 (Array Int Int))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_715) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1))} is UNKNOWN [2022-02-20 16:53:04,649 INFO L290 TraceCheckUtils]: 6: Hoare triple {4696#(forall ((v_ArrVal_713 (Array Int Int)) (v_ArrVal_715 (Array Int Int)) (v_ArrVal_714 (Array Int Int)) (v_ArrVal_702 Int) (v_ArrVal_712 Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_712)) v_ArrVal_702 v_ArrVal_715) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_702)) v_ArrVal_702 v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) v_ArrVal_702 v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1) (not (= (select |#valid| v_ArrVal_702) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4696#(forall ((v_ArrVal_713 (Array Int Int)) (v_ArrVal_715 (Array Int Int)) (v_ArrVal_714 (Array Int Int)) (v_ArrVal_702 Int) (v_ArrVal_712 Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_712)) v_ArrVal_702 v_ArrVal_715) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_702)) v_ArrVal_702 v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) v_ArrVal_702 v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1) (not (= (select |#valid| v_ArrVal_702) 0))))} is VALID [2022-02-20 16:53:04,661 INFO L290 TraceCheckUtils]: 5: Hoare triple {4703#(forall ((v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_24 (Array Int Int))) (or (and (forall ((v_ArrVal_713 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_713 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|)))) (forall ((v_ArrVal_714 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_24) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|))) (not (= (select v_arrayElimArr_24 |ULTIMATE.start_main_~x~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {4696#(forall ((v_ArrVal_713 (Array Int Int)) (v_ArrVal_715 (Array Int Int)) (v_ArrVal_714 (Array Int Int)) (v_ArrVal_702 Int) (v_ArrVal_712 Int)) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_712)) v_ArrVal_702 v_ArrVal_715) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_702)) v_ArrVal_702 v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| 0)) v_ArrVal_702 v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 4)) 1) (not (= (select |#valid| v_ArrVal_702) 0))))} is VALID [2022-02-20 16:53:04,666 WARN L290 TraceCheckUtils]: 4: Hoare triple {4703#(forall ((v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_24 (Array Int Int))) (or (and (forall ((v_ArrVal_713 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_713 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|)))) (forall ((v_ArrVal_714 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_24) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|))) (not (= (select v_arrayElimArr_24 |ULTIMATE.start_main_~x~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {4703#(forall ((v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_24 (Array Int Int))) (or (and (forall ((v_ArrVal_713 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_713 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|)))) (forall ((v_ArrVal_714 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_24) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|))) (not (= (select v_arrayElimArr_24 |ULTIMATE.start_main_~x~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is UNKNOWN [2022-02-20 16:53:04,668 INFO L290 TraceCheckUtils]: 3: Hoare triple {4710#(forall ((v_arrayElimCell_143 Int) (v_arrayElimCell_146 Int)) (or (and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (not (= v_arrayElimCell_143 |ULTIMATE.start_main_~head~0#1.base|)) (not (= v_arrayElimCell_146 |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| v_arrayElimCell_143 1) v_arrayElimCell_146) 0)) (not (= (select |#valid| v_arrayElimCell_143) 0))))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {4703#(forall ((v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_24 (Array Int Int))) (or (and (forall ((v_ArrVal_713 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_713 (Array Int Int))) (not (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_22) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_713) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|)))) (forall ((v_ArrVal_714 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_24) (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_714) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|))) (not (= (select v_arrayElimArr_24 |ULTIMATE.start_main_~x~0#1.offset|) 0)) (not (= (select |#valid| (select v_arrayElimArr_22 |ULTIMATE.start_main_~x~0#1.offset|)) 0))))} is VALID [2022-02-20 16:53:04,669 INFO L290 TraceCheckUtils]: 2: Hoare triple {4710#(forall ((v_arrayElimCell_143 Int) (v_arrayElimCell_146 Int)) (or (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 (= v_arrayElimCell_143 |ULTIMATE.start_main_~head~0#1.base|)) (not (= v_arrayElimCell_146 |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| v_arrayElimCell_143 1) v_arrayElimCell_146) 0)) (not (= (select |#valid| v_arrayElimCell_143) 0))))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {4710#(forall ((v_arrayElimCell_143 Int) (v_arrayElimCell_146 Int)) (or (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 (= v_arrayElimCell_143 |ULTIMATE.start_main_~head~0#1.base|)) (not (= v_arrayElimCell_146 |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| v_arrayElimCell_143 1) v_arrayElimCell_146) 0)) (not (= (select |#valid| v_arrayElimCell_143) 0))))} is VALID [2022-02-20 16:53:04,670 INFO L290 TraceCheckUtils]: 1: Hoare triple {4551#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {4710#(forall ((v_arrayElimCell_143 Int) (v_arrayElimCell_146 Int)) (or (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 (= v_arrayElimCell_143 |ULTIMATE.start_main_~head~0#1.base|)) (not (= v_arrayElimCell_146 |ULTIMATE.start_main_~head~0#1.base|))) (not (= (select (store |#valid| v_arrayElimCell_143 1) v_arrayElimCell_146) 0)) (not (= (select |#valid| v_arrayElimCell_143) 0))))} is VALID [2022-02-20 16:53:04,670 INFO L290 TraceCheckUtils]: 0: Hoare triple {4551#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); {4551#true} is VALID [2022-02-20 16:53:04,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 16:53:04,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444349511] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:04,671 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:53:04,671 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 22 [2022-02-20 16:53:04,671 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24845719] [2022-02-20 16:53:04,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:04,671 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 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 25 [2022-02-20 16:53:04,671 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:04,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:04,745 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 64 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:04,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-20 16:53:04,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:53:04,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-20 16:53:04,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=319, Unknown=2, NotChecked=74, Total=462 [2022-02-20 16:53:04,746 INFO L87 Difference]: Start difference. First operand 121 states and 151 transitions. Second operand has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:06,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:06,842 INFO L93 Difference]: Finished difference Result 339 states and 418 transitions. [2022-02-20 16:53:06,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-20 16:53:06,842 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 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 25 [2022-02-20 16:53:06,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:06,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 280 transitions. [2022-02-20 16:53:06,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 280 transitions. [2022-02-20 16:53:06,848 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 280 transitions. [2022-02-20 16:53:07,049 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 280 edges. 280 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:07,053 INFO L225 Difference]: With dead ends: 339 [2022-02-20 16:53:07,053 INFO L226 Difference]: Without dead ends: 252 [2022-02-20 16:53:07,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=830, Unknown=4, NotChecked=122, Total=1122 [2022-02-20 16:53:07,054 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 230 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 382 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:07,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 850 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 503 Invalid, 0 Unknown, 382 Unchecked, 0.5s Time] [2022-02-20 16:53:07,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-02-20 16:53:07,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 132. [2022-02-20 16:53:07,082 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:07,082 INFO L82 GeneralOperation]: Start isEquivalent. First operand 252 states. Second operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 131 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:07,083 INFO L74 IsIncluded]: Start isIncluded. First operand 252 states. Second operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 131 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:07,083 INFO L87 Difference]: Start difference. First operand 252 states. Second operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 131 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:07,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:07,094 INFO L93 Difference]: Finished difference Result 252 states and 309 transitions. [2022-02-20 16:53:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 309 transitions. [2022-02-20 16:53:07,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:07,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:07,096 INFO L74 IsIncluded]: Start isIncluded. First operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 131 states have internal predecessors, (166), 0 states have call successors, (0), 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 252 states. [2022-02-20 16:53:07,096 INFO L87 Difference]: Start difference. First operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 131 states have internal predecessors, (166), 0 states have call successors, (0), 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 252 states. [2022-02-20 16:53:07,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:07,101 INFO L93 Difference]: Finished difference Result 252 states and 309 transitions. [2022-02-20 16:53:07,101 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 309 transitions. [2022-02-20 16:53:07,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:07,101 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:07,101 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:07,101 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 131 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2022-02-20 16:53:07,103 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 25 [2022-02-20 16:53:07,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:07,103 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2022-02-20 16:53:07,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.9545454545454546) internal successors, (65), 22 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2022-02-20 16:53:07,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 16:53:07,106 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:07,106 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 16:53:07,139 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 16:53:07,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:07,323 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:07,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:07,324 INFO L85 PathProgramCache]: Analyzing trace with hash -2046348832, now seen corresponding path program 1 times [2022-02-20 16:53:07,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:53:07,324 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727682374] [2022-02-20 16:53:07,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:07,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:53:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:07,637 INFO L290 TraceCheckUtils]: 0: Hoare triple {5803#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); {5803#true} is VALID [2022-02-20 16:53:07,639 INFO L290 TraceCheckUtils]: 1: Hoare triple {5803#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {5805#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |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 16:53:07,639 INFO L290 TraceCheckUtils]: 2: Hoare triple {5805#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |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; {5805#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |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 16:53:07,641 INFO L290 TraceCheckUtils]: 3: Hoare triple {5805#(and (not (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5806#(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|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:07,641 INFO L290 TraceCheckUtils]: 4: Hoare triple {5806#(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|)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {5807#(and (or (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:07,642 INFO L290 TraceCheckUtils]: 5: Hoare triple {5807#(and (or (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (and (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~marked~0#1| (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)))) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {5808#(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 (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 16:53:07,642 INFO L290 TraceCheckUtils]: 6: Hoare triple {5808#(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 (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {5808#(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 (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 16:53:07,643 INFO L290 TraceCheckUtils]: 7: Hoare triple {5808#(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 (= (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; {5808#(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 (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 0)))} is VALID [2022-02-20 16:53:07,643 INFO L290 TraceCheckUtils]: 8: Hoare triple {5808#(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 (= (select |#valid| |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; {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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 16:53:07,644 INFO L290 TraceCheckUtils]: 9: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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 16:53:07,644 INFO L290 TraceCheckUtils]: 10: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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 16:53:07,645 INFO L290 TraceCheckUtils]: 11: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~marked~0#1 := 0; {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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 16:53:07,645 INFO L290 TraceCheckUtils]: 12: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:07,646 INFO L290 TraceCheckUtils]: 13: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:07,646 INFO L290 TraceCheckUtils]: 14: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:07,647 INFO L290 TraceCheckUtils]: 15: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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 16:53:07,647 INFO L290 TraceCheckUtils]: 16: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~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; {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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 16:53:07,648 INFO L290 TraceCheckUtils]: 17: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~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; {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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 16:53:07,649 INFO L290 TraceCheckUtils]: 18: Hoare triple {5809#(and (not (= (select |#valid| |ULTIMATE.start_main_~x~0#1.base|) 0)) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} 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;call write~int(1, main_~tmp~0#1.base, 4 + main_~tmp~0#1.offset, 4);call write~$Pointer$(0, 0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem18#1.base, main_#t~mem18#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); {5810#(and (not (= (+ |ULTIMATE.start_main_~tmp~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= |ULTIMATE.start_main_~tmp~0#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~tmp~0#1.offset| 4)))} is VALID [2022-02-20 16:53:07,655 INFO L290 TraceCheckUtils]: 19: Hoare triple {5810#(and (not (= (+ |ULTIMATE.start_main_~tmp~0#1.offset| 4) |ULTIMATE.start_main_~x~0#1.offset|)) (not (= |ULTIMATE.start_main_~tmp~0#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (+ |ULTIMATE.start_main_~head~0#1.offset| 4) (+ |ULTIMATE.start_main_~tmp~0#1.offset| 4)))} assume !(main_#t~mem18#1.base == 0 && main_#t~mem18#1.offset == 0);havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;call write~$Pointer$(main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); {5811#(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 16:53:07,656 INFO L290 TraceCheckUtils]: 20: Hoare triple {5811#(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_~marked~0#1 := 0;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5812#(= (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 16:53:07,656 INFO L290 TraceCheckUtils]: 21: Hoare triple {5812#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} main_#t~short21#1 := main_~x~0#1.base != 0 || main_~x~0#1.offset != 0; {5812#(= (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 16:53:07,656 INFO L290 TraceCheckUtils]: 22: Hoare triple {5812#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume main_#t~short21#1;call main_#t~mem20#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);main_#t~short21#1 := 1 != main_#t~mem20#1; {5812#(= (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 16:53:07,657 INFO L290 TraceCheckUtils]: 23: Hoare triple {5812#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume !!main_#t~short21#1;havoc main_#t~mem20#1;havoc main_#t~short21#1;call main_#t~mem22#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);main_~marked~0#1 := main_#t~mem22#1;havoc main_#t~mem22#1; {5812#(= (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 16:53:07,657 INFO L290 TraceCheckUtils]: 24: Hoare triple {5812#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} call main_#t~mem23#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {5813#(= |ULTIMATE.start_main_#t~mem23#1| 0)} is VALID [2022-02-20 16:53:07,657 INFO L290 TraceCheckUtils]: 25: Hoare triple {5813#(= |ULTIMATE.start_main_#t~mem23#1| 0)} assume !(0 == main_#t~mem23#1);havoc main_#t~mem23#1; {5804#false} is VALID [2022-02-20 16:53:07,658 INFO L290 TraceCheckUtils]: 26: Hoare triple {5804#false} assume !false; {5804#false} is VALID [2022-02-20 16:53:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:07,658 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:53:07,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727682374] [2022-02-20 16:53:07,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727682374] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:53:07,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338202559] [2022-02-20 16:53:07,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:07,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:07,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:53:07,672 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 16:53:07,673 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 16:53:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:07,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 51 conjunts are in the unsatisfiable core [2022-02-20 16:53:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:07,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:07,802 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 16:53:07,810 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:07,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:07,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-02-20 16:53:07,869 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:07,869 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 16 treesize of output 22 [2022-02-20 16:53:07,872 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-20 16:53:07,884 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:53:07,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 16:53:07,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:53:08,139 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:08,139 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 16 treesize of output 22 [2022-02-20 16:53:08,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-20 16:53:08,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:53:08,156 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 20 treesize of output 16 [2022-02-20 16:53:08,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:53:08,169 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 20 treesize of output 16 [2022-02-20 16:53:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:08,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:08,241 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 28 treesize of output 25 [2022-02-20 16:53:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:08,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 24 [2022-02-20 16:53:08,316 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:08,319 INFO L290 TraceCheckUtils]: 0: Hoare triple {5803#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); {5803#true} is VALID [2022-02-20 16:53:08,321 INFO L290 TraceCheckUtils]: 1: Hoare triple {5803#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {5820#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.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 16:53:08,321 INFO L290 TraceCheckUtils]: 2: Hoare triple {5820#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.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; {5820#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.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 16:53:08,323 INFO L290 TraceCheckUtils]: 3: Hoare triple {5820#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5827#(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 16:53:08,323 INFO L290 TraceCheckUtils]: 4: Hoare triple {5827#(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; {5827#(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 16:53:08,324 INFO L290 TraceCheckUtils]: 5: Hoare triple {5827#(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;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {5811#(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 16:53:08,324 INFO L290 TraceCheckUtils]: 6: Hoare triple {5811#(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; {5811#(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 16:53:08,325 INFO L290 TraceCheckUtils]: 7: Hoare triple {5811#(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; {5811#(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 16:53:08,325 INFO L290 TraceCheckUtils]: 8: Hoare triple {5811#(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; {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,326 INFO L290 TraceCheckUtils]: 9: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,326 INFO L290 TraceCheckUtils]: 10: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} goto; {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,326 INFO L290 TraceCheckUtils]: 11: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} main_~marked~0#1 := 0; {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,327 INFO L290 TraceCheckUtils]: 12: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,327 INFO L290 TraceCheckUtils]: 13: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,328 INFO L290 TraceCheckUtils]: 14: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,328 INFO L290 TraceCheckUtils]: 15: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,329 INFO L290 TraceCheckUtils]: 16: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~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; {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,329 INFO L290 TraceCheckUtils]: 17: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~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; {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} is VALID [2022-02-20 16:53:08,331 INFO L290 TraceCheckUtils]: 18: Hoare triple {5843#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= (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.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))} 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;call write~int(1, main_~tmp~0#1.base, 4 + main_~tmp~0#1.offset, 4);call write~$Pointer$(0, 0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem18#1.base, main_#t~mem18#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); {5874#(and (or (not (= |ULTIMATE.start_main_~tmp~0#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_#t~mem18#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~tmp~0#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_#t~mem18#1.base| 0)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~tmp~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 16:53:08,332 INFO L290 TraceCheckUtils]: 19: Hoare triple {5874#(and (or (not (= |ULTIMATE.start_main_~tmp~0#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_#t~mem18#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~tmp~0#1.base| |ULTIMATE.start_main_~x~0#1.base|)) (= |ULTIMATE.start_main_#t~mem18#1.base| 0)) (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (or (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~tmp~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume !(main_#t~mem18#1.base == 0 && main_#t~mem18#1.offset == 0);havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;call write~$Pointer$(main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); {5811#(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 16:53:08,332 INFO L290 TraceCheckUtils]: 20: Hoare triple {5811#(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_~marked~0#1 := 0;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5881#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:53:08,332 INFO L290 TraceCheckUtils]: 21: Hoare triple {5881#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} main_#t~short21#1 := main_~x~0#1.base != 0 || main_~x~0#1.offset != 0; {5881#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:53:08,333 INFO L290 TraceCheckUtils]: 22: Hoare triple {5881#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume main_#t~short21#1;call main_#t~mem20#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);main_#t~short21#1 := 1 != main_#t~mem20#1; {5881#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:53:08,333 INFO L290 TraceCheckUtils]: 23: Hoare triple {5881#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} assume !!main_#t~short21#1;havoc main_#t~mem20#1;havoc main_#t~short21#1;call main_#t~mem22#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);main_~marked~0#1 := main_#t~mem22#1;havoc main_#t~mem22#1; {5881#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (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 16:53:08,334 INFO L290 TraceCheckUtils]: 24: Hoare triple {5881#(and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0))} call main_#t~mem23#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {5813#(= |ULTIMATE.start_main_#t~mem23#1| 0)} is VALID [2022-02-20 16:53:08,334 INFO L290 TraceCheckUtils]: 25: Hoare triple {5813#(= |ULTIMATE.start_main_#t~mem23#1| 0)} assume !(0 == main_#t~mem23#1);havoc main_#t~mem23#1; {5804#false} is VALID [2022-02-20 16:53:08,334 INFO L290 TraceCheckUtils]: 26: Hoare triple {5804#false} assume !false; {5804#false} is VALID [2022-02-20 16:53:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:08,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:08,452 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 41 treesize of output 37 [2022-02-20 16:53:08,476 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 37 treesize of output 33 [2022-02-20 16:53:08,558 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |c_ULTIMATE.start_main_~x~0#1.base|) (= |c_ULTIMATE.start_main_~x~0#1.offset| 0)) (= (select (select (let ((.cse0 (store |c_#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859))) (store .cse0 |c_ULTIMATE.start_main_~x~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860))) |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0))) is different from false [2022-02-20 16:53:09,437 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |c_ULTIMATE.start_main_~head~0#1.base|)))) is different from false [2022-02-20 16:53:09,672 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |c_ULTIMATE.start_main_~head~0#1.base|)) (= (select (store (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0))) is different from false [2022-02-20 16:53:10,104 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~x~0#1.base_72| Int) (v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_849 Int) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store (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_849)) |v_ULTIMATE.start_main_~x~0#1.base_72| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |c_ULTIMATE.start_main_~head~0#1.base|)) (not (= (select |c_#valid| |v_ULTIMATE.start_main_~x~0#1.base_72|) 0)))) is different from false [2022-02-20 16:53:10,592 INFO L290 TraceCheckUtils]: 26: Hoare triple {5804#false} assume !false; {5804#false} is VALID [2022-02-20 16:53:10,592 INFO L290 TraceCheckUtils]: 25: Hoare triple {5813#(= |ULTIMATE.start_main_#t~mem23#1| 0)} assume !(0 == main_#t~mem23#1);havoc main_#t~mem23#1; {5804#false} is VALID [2022-02-20 16:53:10,593 INFO L290 TraceCheckUtils]: 24: Hoare triple {5812#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} call main_#t~mem23#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {5813#(= |ULTIMATE.start_main_#t~mem23#1| 0)} is VALID [2022-02-20 16:53:10,593 INFO L290 TraceCheckUtils]: 23: Hoare triple {5812#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume !!main_#t~short21#1;havoc main_#t~mem20#1;havoc main_#t~short21#1;call main_#t~mem22#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);main_~marked~0#1 := main_#t~mem22#1;havoc main_#t~mem22#1; {5812#(= (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 16:53:10,593 INFO L290 TraceCheckUtils]: 22: Hoare triple {5812#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} assume main_#t~short21#1;call main_#t~mem20#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4);main_#t~short21#1 := 1 != main_#t~mem20#1; {5812#(= (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 16:53:10,594 INFO L290 TraceCheckUtils]: 21: Hoare triple {5812#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (+ |ULTIMATE.start_main_~x~0#1.offset| 4)) 0)} main_#t~short21#1 := main_~x~0#1.base != 0 || main_~x~0#1.offset != 0; {5812#(= (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 16:53:10,594 INFO L290 TraceCheckUtils]: 20: Hoare triple {5918#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} main_~marked~0#1 := 0;main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {5812#(= (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 16:53:10,595 INFO L290 TraceCheckUtils]: 19: Hoare triple {5922#(or (and (= |ULTIMATE.start_main_#t~mem18#1.offset| 0) (= |ULTIMATE.start_main_#t~mem18#1.base| 0)) (forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~tmp~0#1.base| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |ULTIMATE.start_main_~tmp~0#1.base| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} assume !(main_#t~mem18#1.base == 0 && main_#t~mem18#1.offset == 0);havoc main_#t~mem18#1.base, main_#t~mem18#1.offset;call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;call write~$Pointer$(main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4); {5918#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)} is VALID [2022-02-20 16:53:10,599 WARN L290 TraceCheckUtils]: 18: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} call main_#t~malloc17#1.base, main_#t~malloc17#1.offset := #Ultimate.allocOnHeap(8);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~malloc17#1.base, main_#t~malloc17#1.offset;havoc main_#t~malloc17#1.base, main_#t~malloc17#1.offset;call write~int(1, main_~tmp~0#1.base, 4 + main_~tmp~0#1.offset, 4);call write~$Pointer$(0, 0, main_~tmp~0#1.base, main_~tmp~0#1.offset, 4);call main_#t~mem18#1.base, main_#t~mem18#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4); {5922#(or (and (= |ULTIMATE.start_main_#t~mem18#1.offset| 0) (= |ULTIMATE.start_main_#t~mem18#1.base| 0)) (forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~tmp~0#1.base| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |ULTIMATE.start_main_~tmp~0#1.base| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is UNKNOWN [2022-02-20 16:53:10,600 INFO L290 TraceCheckUtils]: 17: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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; {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,601 INFO L290 TraceCheckUtils]: 16: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 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; {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,602 INFO L290 TraceCheckUtils]: 15: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,602 INFO L290 TraceCheckUtils]: 14: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~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; {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,603 INFO L290 TraceCheckUtils]: 13: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,604 INFO L290 TraceCheckUtils]: 12: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,605 INFO L290 TraceCheckUtils]: 11: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} main_~marked~0#1 := 0; {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,606 INFO L290 TraceCheckUtils]: 10: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} goto; {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,606 INFO L290 TraceCheckUtils]: 9: Hoare triple {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,607 INFO L290 TraceCheckUtils]: 8: Hoare triple {5957#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |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; {5926#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~x~0#1.base|)) (= (select (select (store (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base| (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860)) |ULTIMATE.start_main_~head~0#1.base|) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0)))} is VALID [2022-02-20 16:53:10,608 INFO L290 TraceCheckUtils]: 7: Hoare triple {5957#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |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; {5957#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))))} is VALID [2022-02-20 16:53:10,608 INFO L290 TraceCheckUtils]: 6: Hoare triple {5957#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |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; {5957#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))))} is VALID [2022-02-20 16:53:10,610 WARN L290 TraceCheckUtils]: 5: Hoare triple {5967#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {5957#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store |#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))))} is UNKNOWN [2022-02-20 16:53:10,612 WARN L290 TraceCheckUtils]: 4: Hoare triple {5967#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |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; {5967#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))))} is UNKNOWN [2022-02-20 16:53:10,616 WARN L290 TraceCheckUtils]: 3: Hoare triple {5974#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_72| Int) (v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_849 Int) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store (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_849)) |v_ULTIMATE.start_main_~x~0#1.base_72| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_72|) 0)) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |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);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {5967#(forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))))} is UNKNOWN [2022-02-20 16:53:10,618 WARN L290 TraceCheckUtils]: 2: Hoare triple {5974#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_72| Int) (v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_849 Int) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store (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_849)) |v_ULTIMATE.start_main_~x~0#1.base_72| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_72|) 0)) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |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; {5974#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_72| Int) (v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_849 Int) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store (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_849)) |v_ULTIMATE.start_main_~x~0#1.base_72| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_72|) 0)) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))))} is UNKNOWN [2022-02-20 16:53:10,619 INFO L290 TraceCheckUtils]: 1: Hoare triple {5803#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);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; {5974#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_72| Int) (v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (v_ArrVal_849 Int) (v_ArrVal_852 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store (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_849)) |v_ULTIMATE.start_main_~x~0#1.base_72| v_ArrVal_852) |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_72|) 0)) (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0))))} is VALID [2022-02-20 16:53:10,619 INFO L290 TraceCheckUtils]: 0: Hoare triple {5803#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); {5803#true} is VALID [2022-02-20 16:53:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-02-20 16:53:10,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338202559] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:10,620 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:53:10,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 22 [2022-02-20 16:53:10,620 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471039125] [2022-02-20 16:53:10,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:10,621 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.227272727272727) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 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 16:53:10,621 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:10,621 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 22 states, 22 states have (on average 3.227272727272727) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:10,694 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 66 inductive. 0 not inductive. 5 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:10,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-20 16:53:10,694 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:53:10,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-20 16:53:10,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=242, Unknown=4, NotChecked=140, Total=462 [2022-02-20 16:53:10,695 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 22 states, 22 states have (on average 3.227272727272727) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:10,885 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~x~0#1.base|))) (let ((.cse0 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0)) (.cse1 (not .cse3)) (.cse2 (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|))) (and .cse0 (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) .cse1 (forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |c_ULTIMATE.start_main_~head~0#1.base|)))) (or (and .cse0 .cse1 (= .cse2 |c_ULTIMATE.start_main_~marked~0#1|)) (and (= |c_ULTIMATE.start_main_~marked~0#1| 0) .cse3)) (= .cse2 1)))) is different from false [2022-02-20 16:53:10,893 WARN L838 $PredicateComparison]: unable to prove that (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) (forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (= (select (store (select (store |c_#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset| v_ArrVal_860) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (and (= |c_ULTIMATE.start_main_~head~0#1.offset| 0) (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |c_ULTIMATE.start_main_~head~0#1.base|)))) (not (= (select |c_#valid| |c_ULTIMATE.start_main_~head~0#1.base|) 0))) is different from false [2022-02-20 16:53:10,933 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_860 Int) (v_ArrVal_859 (Array Int Int)) (|v_ULTIMATE.start_main_~tmp~0#1.base_10| Int)) (or (and (= |v_ULTIMATE.start_main_~tmp~0#1.base_10| |c_ULTIMATE.start_main_~x~0#1.base|) (= |c_ULTIMATE.start_main_~x~0#1.offset| 0)) (= (select (select (let ((.cse0 (store |c_#memory_int| |v_ULTIMATE.start_main_~tmp~0#1.base_10| v_ArrVal_859))) (store .cse0 |c_ULTIMATE.start_main_~x~0#1.base| (store (select .cse0 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_860))) |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) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|) (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4)) 0) (not (= (select |c_#valid| |c_ULTIMATE.start_main_~x~0#1.base|) 0)) (= |c_ULTIMATE.start_main_~x~0#1.offset| 0) (= |c_ULTIMATE.start_main_~head~0#1.base| |c_ULTIMATE.start_main_~x~0#1.base|)) is different from false [2022-02-20 16:53:11,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:11,659 INFO L93 Difference]: Finished difference Result 297 states and 371 transitions. [2022-02-20 16:53:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 16:53:11,659 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.227272727272727) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 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 16:53:11,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.227272727272727) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:11,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 206 transitions. [2022-02-20 16:53:11,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 3.227272727272727) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:11,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 206 transitions. [2022-02-20 16:53:11,662 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 206 transitions. [2022-02-20 16:53:11,809 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 206 edges. 206 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:11,813 INFO L225 Difference]: With dead ends: 297 [2022-02-20 16:53:11,814 INFO L226 Difference]: Without dead ends: 210 [2022-02-20 16:53:11,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=427, Unknown=7, NotChecked=350, Total=930 [2022-02-20 16:53:11,815 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 122 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 328 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:11,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 628 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 269 Invalid, 0 Unknown, 328 Unchecked, 0.3s Time] [2022-02-20 16:53:11,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-02-20 16:53:11,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 160. [2022-02-20 16:53:11,849 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:11,850 INFO L82 GeneralOperation]: Start isEquivalent. First operand 210 states. Second operand has 160 states, 154 states have (on average 1.3246753246753247) internal successors, (204), 159 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 16:53:11,850 INFO L74 IsIncluded]: Start isIncluded. First operand 210 states. Second operand has 160 states, 154 states have (on average 1.3246753246753247) internal successors, (204), 159 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 16:53:11,850 INFO L87 Difference]: Start difference. First operand 210 states. Second operand has 160 states, 154 states have (on average 1.3246753246753247) internal successors, (204), 159 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 16:53:11,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:11,853 INFO L93 Difference]: Finished difference Result 210 states and 258 transitions. [2022-02-20 16:53:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 258 transitions. [2022-02-20 16:53:11,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:11,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:11,853 INFO L74 IsIncluded]: Start isIncluded. First operand has 160 states, 154 states have (on average 1.3246753246753247) internal successors, (204), 159 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 210 states. [2022-02-20 16:53:11,854 INFO L87 Difference]: Start difference. First operand has 160 states, 154 states have (on average 1.3246753246753247) internal successors, (204), 159 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 210 states. [2022-02-20 16:53:11,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:11,856 INFO L93 Difference]: Finished difference Result 210 states and 258 transitions. [2022-02-20 16:53:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 258 transitions. [2022-02-20 16:53:11,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:11,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:11,857 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:11,857 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 154 states have (on average 1.3246753246753247) internal successors, (204), 159 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 16:53:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 204 transitions. [2022-02-20 16:53:11,859 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 204 transitions. Word has length 27 [2022-02-20 16:53:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:11,859 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 204 transitions. [2022-02-20 16:53:11,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.227272727272727) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions. [2022-02-20 16:53:11,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 16:53:11,860 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:11,860 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:11,883 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 16:53:12,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:12,076 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:12,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash 485990957, now seen corresponding path program 1 times [2022-02-20 16:53:12,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:53:12,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708289000] [2022-02-20 16:53:12,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:12,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:53:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:12,201 INFO L290 TraceCheckUtils]: 0: Hoare triple {6965#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); {6965#true} is VALID [2022-02-20 16:53:12,202 INFO L290 TraceCheckUtils]: 1: Hoare triple {6965#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {6967#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:12,202 INFO L290 TraceCheckUtils]: 2: Hoare triple {6967#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6967#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:12,203 INFO L290 TraceCheckUtils]: 3: Hoare triple {6967#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6968#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:12,204 INFO L290 TraceCheckUtils]: 4: Hoare triple {6968#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {6969#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 16:53:12,205 INFO L290 TraceCheckUtils]: 5: Hoare triple {6969#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0)) (and (= |ULTIMATE.start_main_~marked~0#1| 0) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {6970#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,205 INFO L290 TraceCheckUtils]: 6: Hoare triple {6970#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6970#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,205 INFO L290 TraceCheckUtils]: 7: Hoare triple {6970#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {6970#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,206 INFO L290 TraceCheckUtils]: 8: Hoare triple {6970#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,206 INFO L290 TraceCheckUtils]: 9: Hoare triple {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,207 INFO L290 TraceCheckUtils]: 10: Hoare triple {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} goto; {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,207 INFO L290 TraceCheckUtils]: 11: Hoare triple {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} main_~marked~0#1 := 0; {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,208 INFO L290 TraceCheckUtils]: 12: Hoare triple {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,208 INFO L290 TraceCheckUtils]: 13: Hoare triple {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,209 INFO L290 TraceCheckUtils]: 14: Hoare triple {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,209 INFO L290 TraceCheckUtils]: 15: Hoare triple {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,209 INFO L290 TraceCheckUtils]: 16: Hoare triple {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} is VALID [2022-02-20 16:53:12,217 INFO L290 TraceCheckUtils]: 17: Hoare triple {6971#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {6972#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:12,218 INFO L290 TraceCheckUtils]: 18: Hoare triple {6972#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {6972#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:12,218 INFO L290 TraceCheckUtils]: 19: Hoare triple {6972#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {6972#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:12,219 INFO L290 TraceCheckUtils]: 20: Hoare triple {6972#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {6972#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:12,219 INFO L290 TraceCheckUtils]: 21: Hoare triple {6972#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {6973#(not |ULTIMATE.start_main_#t~short14#1|)} is VALID [2022-02-20 16:53:12,219 INFO L290 TraceCheckUtils]: 22: Hoare triple {6973#(not |ULTIMATE.start_main_#t~short14#1|)} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {6966#false} is VALID [2022-02-20 16:53:12,219 INFO L290 TraceCheckUtils]: 23: Hoare triple {6966#false} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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; {6966#false} is VALID [2022-02-20 16:53:12,220 INFO L290 TraceCheckUtils]: 24: Hoare triple {6966#false} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {6966#false} is VALID [2022-02-20 16:53:12,220 INFO L290 TraceCheckUtils]: 25: Hoare triple {6966#false} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {6966#false} is VALID [2022-02-20 16:53:12,220 INFO L290 TraceCheckUtils]: 26: Hoare triple {6966#false} assume !false; {6966#false} is VALID [2022-02-20 16:53:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:12,220 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:53:12,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708289000] [2022-02-20 16:53:12,220 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708289000] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:53:12,220 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49953069] [2022-02-20 16:53:12,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:12,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:12,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:53:12,221 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 16:53:12,222 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 16:53:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:12,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-20 16:53:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:12,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:12,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:12,371 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:53:12,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 16:53:12,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:12,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-02-20 16:53:12,389 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-02-20 16:53:12,394 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 8 treesize of output 7 [2022-02-20 16:53:12,397 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 8 treesize of output 7 [2022-02-20 16:53:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:12,407 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-02-20 16:53:12,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-02-20 16:53:12,424 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 19 treesize of output 18 [2022-02-20 16:53:12,520 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-20 16:53:12,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 50 [2022-02-20 16:53:12,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2022-02-20 16:53:13,010 INFO L356 Elim1Store]: treesize reduction 17, result has 15.0 percent of original size [2022-02-20 16:53:13,010 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 58 [2022-02-20 16:53:13,043 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 16:53:13,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 26 [2022-02-20 16:53:13,061 INFO L290 TraceCheckUtils]: 0: Hoare triple {6965#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); {6965#true} is VALID [2022-02-20 16:53:13,062 INFO L290 TraceCheckUtils]: 1: Hoare triple {6965#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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;call write~$Pointer$(0, 0, main_~head~0#1.base, main_~head~0#1.offset, 4);call write~int(0, main_~head~0#1.base, 4 + main_~head~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0; {6980#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:13,063 INFO L290 TraceCheckUtils]: 2: Hoare triple {6980#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6980#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} is VALID [2022-02-20 16:53:13,064 INFO L290 TraceCheckUtils]: 3: Hoare triple {6980#(and (= |ULTIMATE.start_main_~head~0#1.offset| |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) 1))} assume !!(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0, 0, main_~x~0#1.base, main_~x~0#1.offset, 4);assume -2147483648 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 2147483647; {6987#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,064 INFO L290 TraceCheckUtils]: 4: Hoare triple {6987#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1; {6987#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,065 INFO L290 TraceCheckUtils]: 5: Hoare triple {6987#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume 0 != main_~marked~0#1;call write~int(1, main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {6994#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,066 INFO L290 TraceCheckUtils]: 6: Hoare triple {6994#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet2#1 && main_#t~nondet2#1 <= 2147483647; {6994#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,066 INFO L290 TraceCheckUtils]: 7: Hoare triple {6994#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} assume !(0 != main_#t~nondet2#1 || 0 == main_~marked~0#1);havoc main_#t~nondet2#1; {6994#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,067 INFO L290 TraceCheckUtils]: 8: Hoare triple {6994#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~head~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) 0))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,067 INFO L290 TraceCheckUtils]: 9: Hoare triple {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!(0 != main_~x~0#1.base || 0 != main_~x~0#1.offset); {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,068 INFO L290 TraceCheckUtils]: 10: Hoare triple {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} goto; {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,068 INFO L290 TraceCheckUtils]: 11: Hoare triple {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} main_~marked~0#1 := 0; {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,069 INFO L290 TraceCheckUtils]: 12: Hoare triple {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short9#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,069 INFO L290 TraceCheckUtils]: 13: Hoare triple {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem8#1 := read~int(main_#t~mem7#1.base, 4 + main_#t~mem7#1.offset, 4);main_#t~short9#1 := 0 == main_#t~mem8#1; {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,070 INFO L290 TraceCheckUtils]: 14: Hoare triple {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,070 INFO L290 TraceCheckUtils]: 15: Hoare triple {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,071 INFO L290 TraceCheckUtils]: 16: Hoare triple {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} is VALID [2022-02-20 16:53:13,073 INFO L290 TraceCheckUtils]: 17: Hoare triple {7004#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0) 0) (= |ULTIMATE.start_main_~x~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) 0)) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) 0))} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {7032#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_75| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |v_ULTIMATE.start_main_~x~0#1.base_75|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0)))} is VALID [2022-02-20 16:53:13,074 INFO L290 TraceCheckUtils]: 18: Hoare triple {7032#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_75| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |v_ULTIMATE.start_main_~x~0#1.base_75|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0)))} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {7032#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_75| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |v_ULTIMATE.start_main_~x~0#1.base_75|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0)))} is VALID [2022-02-20 16:53:13,075 INFO L290 TraceCheckUtils]: 19: Hoare triple {7032#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_75| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |v_ULTIMATE.start_main_~x~0#1.base_75|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0)))} assume !!(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {7032#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_75| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |v_ULTIMATE.start_main_~x~0#1.base_75|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0)))} is VALID [2022-02-20 16:53:13,089 INFO L290 TraceCheckUtils]: 20: Hoare triple {7032#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_75| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |v_ULTIMATE.start_main_~x~0#1.base_75|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0)))} goto; {7032#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_75| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |v_ULTIMATE.start_main_~x~0#1.base_75|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0)))} is VALID [2022-02-20 16:53:13,090 INFO L290 TraceCheckUtils]: 21: Hoare triple {7032#(exists ((|v_ULTIMATE.start_main_~x~0#1.base_75| Int)) (and (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |v_ULTIMATE.start_main_~x~0#1.base_75|)) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0) |ULTIMATE.start_main_~x~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~x~0#1.base_75|) 0)) 0) 0)))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short14#1 := main_#t~mem12#1.base != 0 || main_#t~mem12#1.offset != 0; {6973#(not |ULTIMATE.start_main_#t~short14#1|)} is VALID [2022-02-20 16:53:13,090 INFO L290 TraceCheckUtils]: 22: Hoare triple {6973#(not |ULTIMATE.start_main_#t~short14#1|)} assume main_#t~short14#1;assume -2147483648 <= main_#t~nondet13#1 && main_#t~nondet13#1 <= 2147483647;main_#t~short14#1 := 0 != main_#t~nondet13#1; {6966#false} is VALID [2022-02-20 16:53:13,090 INFO L290 TraceCheckUtils]: 23: Hoare triple {6966#false} assume !!main_#t~short14#1;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;havoc main_#t~short14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4);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; {6966#false} is VALID [2022-02-20 16:53:13,090 INFO L290 TraceCheckUtils]: 24: Hoare triple {6966#false} call main_#t~mem16#1 := read~int(main_~x~0#1.base, 4 + main_~x~0#1.offset, 4); {6966#false} is VALID [2022-02-20 16:53:13,090 INFO L290 TraceCheckUtils]: 25: Hoare triple {6966#false} assume !(1 == main_#t~mem16#1);havoc main_#t~mem16#1; {6966#false} is VALID [2022-02-20 16:53:13,090 INFO L290 TraceCheckUtils]: 26: Hoare triple {6966#false} assume !false; {6966#false} is VALID [2022-02-20 16:53:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:13,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:14,359 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_946 Int) (v_ArrVal_945 Int)) (= (let ((.cse1 (+ |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) .cse1 v_ArrVal_946)))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) .cse1 v_ArrVal_945)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0)) (forall ((v_ArrVal_946 Int) (v_ArrVal_945 Int)) (= (let ((.cse3 (+ |c_ULTIMATE.start_main_~x~0#1.offset| 4))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base|) .cse3 v_ArrVal_945)))) (select (select .cse2 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) .cse3 v_ArrVal_946)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse2 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) 0))) is different from false [2022-02-20 16:53:14,554 INFO L356 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2022-02-20 16:53:14,555 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 4 case distinctions, treesize of input 321 treesize of output 296 [2022-02-20 16:53:14,669 INFO L356 Elim1Store]: treesize reduction 13, result has 69.0 percent of original size [2022-02-20 16:53:14,669 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 4 case distinctions, treesize of input 534 treesize of output 454 [2022-02-20 16:53:14,719 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:14,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 454 treesize of output 466 [2022-02-20 16:53:14,909 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:14,909 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 1010 treesize of output 1106 [2022-02-20 16:53:14,935 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:14,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 1106 treesize of output 1070 [2022-02-20 16:53:15,317 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:15,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1830 treesize of output 1862 [2022-02-20 16:53:15,427 INFO L356 Elim1Store]: treesize reduction 40, result has 33.3 percent of original size [2022-02-20 16:53:15,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1862 treesize of output 1841 [2022-02-20 16:53:15,520 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:15,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1841 treesize of output 1879 [2022-02-20 16:53:15,920 INFO L356 Elim1Store]: treesize reduction 8, result has 95.1 percent of original size [2022-02-20 16:53:15,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 4592 treesize of output 4678 [2022-02-20 16:53:16,384 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-20 16:53:16,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:16,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:53:16,606 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:635) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-20 16:53:16,609 INFO L158 Benchmark]: Toolchain (without parser) took 30367.35ms. Allocated memory was 102.8MB in the beginning and 224.4MB in the end (delta: 121.6MB). Free memory was 72.7MB in the beginning and 136.4MB in the end (delta: -63.7MB). Peak memory consumption was 129.3MB. Max. memory is 16.1GB. [2022-02-20 16:53:16,609 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 58.7MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:53:16,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.37ms. Allocated memory is still 102.8MB. Free memory was 72.4MB in the beginning and 68.5MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:53:16,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.94ms. Allocated memory is still 102.8MB. Free memory was 68.5MB in the beginning and 65.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:53:16,610 INFO L158 Benchmark]: Boogie Preprocessor took 49.65ms. Allocated memory is still 102.8MB. Free memory was 65.9MB in the beginning and 63.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:53:16,610 INFO L158 Benchmark]: RCFGBuilder took 475.95ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 63.5MB in the beginning and 94.8MB in the end (delta: -31.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-02-20 16:53:16,610 INFO L158 Benchmark]: TraceAbstraction took 29457.57ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 94.4MB in the beginning and 136.4MB in the end (delta: -42.0MB). Peak memory consumption was 127.4MB. Max. memory is 16.1GB. [2022-02-20 16:53:16,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 58.7MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.37ms. Allocated memory is still 102.8MB. Free memory was 72.4MB in the beginning and 68.5MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.94ms. Allocated memory is still 102.8MB. Free memory was 68.5MB in the beginning and 65.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.65ms. Allocated memory is still 102.8MB. Free memory was 65.9MB in the beginning and 63.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.95ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 63.5MB in the beginning and 94.8MB in the end (delta: -31.3MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * TraceAbstraction took 29457.57ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 94.4MB in the beginning and 136.4MB in the end (delta: -42.0MB). Peak memory consumption was 127.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 16:53:16,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/sll-sorted-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:53:18,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:53:18,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:53:18,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:53:18,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:53:18,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:53:18,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:53:18,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:53:18,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:53:18,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:53:18,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:53:18,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:53:18,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:53:18,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:53:18,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:53:18,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:53:18,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:53:18,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:53:18,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:53:18,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:53:18,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:53:18,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:53:18,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:53:18,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:53:18,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:53:18,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:53:18,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:53:18,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:53:18,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:53:18,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:53:18,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:53:18,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:53:18,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:53:18,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:53:18,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:53:18,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:53:18,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:53:18,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:53:18,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:53:18,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:53:18,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:53:18,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:53:18,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:53:18,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:53:18,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:53:18,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:53:18,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:53:18,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:53:18,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:53:18,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:53:18,284 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:53:18,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:53:18,285 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:53:18,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:53:18,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:53:18,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:53:18,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:53:18,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:53:18,286 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:53:18,286 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:53:18,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:53:18,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:53:18,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:53:18,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:53:18,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:53:18,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:53:18,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:53:18,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:53:18,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:53:18,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:53:18,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:53:18,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:53:18,288 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:53:18,288 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:53:18,288 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:53:18,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:53:18,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:53:18,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:53:18,289 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f [2022-02-20 16:53:18,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:53:18,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:53:18,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:53:18,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:53:18,576 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:53:18,577 INFO L432 ainManager$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 16:53:18,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca744af8/0621cbd10ece4059a2afcce5540d2f06/FLAG135f0b3b1 [2022-02-20 16:53:19,065 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:53:19,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-sorted-2.i [2022-02-20 16:53:19,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca744af8/0621cbd10ece4059a2afcce5540d2f06/FLAG135f0b3b1 [2022-02-20 16:53:19,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ca744af8/0621cbd10ece4059a2afcce5540d2f06 [2022-02-20 16:53:19,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:53:19,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:53:19,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:53:19,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:53:19,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:53:19,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f95972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19, skipping insertion in model container [2022-02-20 16:53:19,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:53:19,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:53:19,681 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 16:53:19,684 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 16:53:19,685 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 16:53:19,688 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 16:53:19,689 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 16:53:19,690 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 16:53:19,690 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 16:53:19,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:53:19,701 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:53:19,734 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 16:53:19,736 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 16:53:19,737 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 16:53:19,739 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 16:53:19,740 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 16:53:19,741 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 16:53:19,741 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 16:53:19,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:53:19,761 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:53:19,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19 WrapperNode [2022-02-20 16:53:19,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:53:19,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:53:19,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:53:19,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:53:19,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,798 INFO L137 Inliner]: procedures = 122, calls = 40, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 189 [2022-02-20 16:53:19,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:53:19,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:53:19,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:53:19,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:53:19,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:53:19,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:53:19,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:53:19,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:53:19,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (1/1) ... [2022-02-20 16:53:19,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:53:19,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:53:19,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:53:19,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:53:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:53:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 16:53:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:53:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 16:53:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 16:53:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:53:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:53:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:53:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:53:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:53:19,967 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:53:19,968 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:53:20,227 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:53:20,232 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:53:20,232 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2022-02-20 16:53:20,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:53:20 BoogieIcfgContainer [2022-02-20 16:53:20,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:53:20,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:53:20,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:53:20,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:53:20,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:53:19" (1/3) ... [2022-02-20 16:53:20,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77eaf107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:53:20, skipping insertion in model container [2022-02-20 16:53:20,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:53:19" (2/3) ... [2022-02-20 16:53:20,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77eaf107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:53:20, skipping insertion in model container [2022-02-20 16:53:20,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:53:20" (3/3) ... [2022-02-20 16:53:20,243 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-sorted-2.i [2022-02-20 16:53:20,247 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:53:20,251 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-02-20 16:53:20,286 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:53:20,291 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:53:20,291 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-20 16:53:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 52 states have (on average 1.8653846153846154) internal successors, (97), 59 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-20 16:53:20,306 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:20,306 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-20 16:53:20,306 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:20,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:20,310 INFO L85 PathProgramCache]: Analyzing trace with hash 890122502, now seen corresponding path program 1 times [2022-02-20 16:53:20,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:53:20,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371303012] [2022-02-20 16:53:20,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:20,319 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:53:20,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:53:20,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:53:20,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:53:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:20,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-02-20 16:53:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:20,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:20,451 INFO L290 TraceCheckUtils]: 0: Hoare triple {63#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {63#true} is VALID [2022-02-20 16:53:20,451 INFO L290 TraceCheckUtils]: 1: Hoare triple {63#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {63#true} is VALID [2022-02-20 16:53:20,452 INFO L290 TraceCheckUtils]: 2: Hoare triple {63#true} assume !true; {64#false} is VALID [2022-02-20 16:53:20,452 INFO L290 TraceCheckUtils]: 3: Hoare triple {64#false} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {64#false} is VALID [2022-02-20 16:53:20,452 INFO L290 TraceCheckUtils]: 4: Hoare triple {64#false} assume !(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {64#false} is VALID [2022-02-20 16:53:20,452 INFO L290 TraceCheckUtils]: 5: Hoare triple {64#false} assume !false; {64#false} is VALID [2022-02-20 16:53:20,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:20,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:53:20,454 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:53:20,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371303012] [2022-02-20 16:53:20,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371303012] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:53:20,454 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:53:20,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:53:20,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933558726] [2022-02-20 16:53:20,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:53:20,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:53:20,459 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:20,461 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,478 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:20,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:53:20,478 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:53:20,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:53:20,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:53:20,495 INFO L87 Difference]: Start difference. First operand has 60 states, 52 states have (on average 1.8653846153846154) internal successors, (97), 59 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:20,651 INFO L93 Difference]: Finished difference Result 115 states and 185 transitions. [2022-02-20 16:53:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:53:20,651 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:53:20,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:20,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2022-02-20 16:53:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 185 transitions. [2022-02-20 16:53:20,675 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 185 transitions. [2022-02-20 16:53:20,820 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 185 edges. 185 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:20,827 INFO L225 Difference]: With dead ends: 115 [2022-02-20 16:53:20,827 INFO L226 Difference]: Without dead ends: 54 [2022-02-20 16:53:20,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:53:20,832 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:20,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:53:20,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-02-20 16:53:20,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-02-20 16:53:20,851 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:20,852 INFO L82 GeneralOperation]: Start isEquivalent. First operand 54 states. Second operand has 54 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,853 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand has 54 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,853 INFO L87 Difference]: Start difference. First operand 54 states. Second operand has 54 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:20,855 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2022-02-20 16:53:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2022-02-20 16:53:20,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:20,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:20,856 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 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 54 states. [2022-02-20 16:53:20,857 INFO L87 Difference]: Start difference. First operand has 54 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 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 54 states. [2022-02-20 16:53:20,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:20,859 INFO L93 Difference]: Finished difference Result 54 states and 63 transitions. [2022-02-20 16:53:20,859 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2022-02-20 16:53:20,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:20,859 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:20,859 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:20,860 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2022-02-20 16:53:20,862 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 6 [2022-02-20 16:53:20,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:20,863 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2022-02-20 16:53:20,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:20,863 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2022-02-20 16:53:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-20 16:53:20,863 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:20,863 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-20 16:53:20,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:21,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:53:21,074 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:21,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash 889645846, now seen corresponding path program 1 times [2022-02-20 16:53:21,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:53:21,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316010051] [2022-02-20 16:53:21,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:21,075 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:53:21,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:53:21,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:53:21,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 16:53:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:21,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-20 16:53:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:21,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:21,154 INFO L290 TraceCheckUtils]: 0: Hoare triple {386#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {386#true} is VALID [2022-02-20 16:53:21,156 INFO L290 TraceCheckUtils]: 1: Hoare triple {386#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {394#(= (_ bv0 32) |ULTIMATE.start_main_~marked~0#1|)} is VALID [2022-02-20 16:53:21,156 INFO L290 TraceCheckUtils]: 2: Hoare triple {394#(= (_ bv0 32) |ULTIMATE.start_main_~marked~0#1|)} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {387#false} is VALID [2022-02-20 16:53:21,157 INFO L290 TraceCheckUtils]: 3: Hoare triple {387#false} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {387#false} is VALID [2022-02-20 16:53:21,157 INFO L290 TraceCheckUtils]: 4: Hoare triple {387#false} assume !(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {387#false} is VALID [2022-02-20 16:53:21,157 INFO L290 TraceCheckUtils]: 5: Hoare triple {387#false} assume !false; {387#false} is VALID [2022-02-20 16:53:21,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:21,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:53:21,166 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:53:21,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316010051] [2022-02-20 16:53:21,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316010051] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:53:21,167 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:53:21,167 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:53:21,167 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206963281] [2022-02-20 16:53:21,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:53:21,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:53:21,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:21,168 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,174 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:21,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:53:21,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:53:21,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:53:21,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:53:21,175 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:21,332 INFO L93 Difference]: Finished difference Result 110 states and 131 transitions. [2022-02-20 16:53:21,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:53:21,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:53:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2022-02-20 16:53:21,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 131 transitions. [2022-02-20 16:53:21,337 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 131 transitions. [2022-02-20 16:53:21,447 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:21,449 INFO L225 Difference]: With dead ends: 110 [2022-02-20 16:53:21,449 INFO L226 Difference]: Without dead ends: 58 [2022-02-20 16:53:21,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 16:53:21,450 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 31 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:21,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 82 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:53:21,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-02-20 16:53:21,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2022-02-20 16:53:21,453 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:21,454 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 57 states, 50 states have (on average 1.34) internal successors, (67), 56 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,454 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 57 states, 50 states have (on average 1.34) internal successors, (67), 56 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,454 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 57 states, 50 states have (on average 1.34) internal successors, (67), 56 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:21,455 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2022-02-20 16:53:21,456 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2022-02-20 16:53:21,456 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:21,456 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:21,456 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 50 states have (on average 1.34) internal successors, (67), 56 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 58 states. [2022-02-20 16:53:21,458 INFO L87 Difference]: Start difference. First operand has 57 states, 50 states have (on average 1.34) internal successors, (67), 56 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 58 states. [2022-02-20 16:53:21,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:21,462 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2022-02-20 16:53:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2022-02-20 16:53:21,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:21,463 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:21,463 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:21,463 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:21,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 50 states have (on average 1.34) internal successors, (67), 56 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions. [2022-02-20 16:53:21,470 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 6 [2022-02-20 16:53:21,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:21,470 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions. [2022-02-20 16:53:21,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-02-20 16:53:21,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 16:53:21,473 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:21,473 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:21,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:21,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:53:21,679 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:21,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:21,680 INFO L85 PathProgramCache]: Analyzing trace with hash 586319425, now seen corresponding path program 1 times [2022-02-20 16:53:21,682 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:53:21,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134201534] [2022-02-20 16:53:21,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:21,683 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:53:21,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:53:21,684 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:53:21,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-02-20 16:53:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:21,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 16:53:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:21,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:21,795 INFO L290 TraceCheckUtils]: 0: Hoare triple {715#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {715#true} is VALID [2022-02-20 16:53:21,796 INFO L290 TraceCheckUtils]: 1: Hoare triple {715#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} is VALID [2022-02-20 16:53:21,797 INFO L290 TraceCheckUtils]: 2: Hoare triple {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} is VALID [2022-02-20 16:53:21,797 INFO L290 TraceCheckUtils]: 3: Hoare triple {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} is VALID [2022-02-20 16:53:21,797 INFO L290 TraceCheckUtils]: 4: Hoare triple {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} is VALID [2022-02-20 16:53:21,798 INFO L290 TraceCheckUtils]: 5: Hoare triple {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} is VALID [2022-02-20 16:53:21,798 INFO L290 TraceCheckUtils]: 6: Hoare triple {723#(not (= |ULTIMATE.start_main_~head~0#1.base| (_ bv0 32)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {739#(not (= |ULTIMATE.start_main_~x~0#1.base| (_ bv0 32)))} is VALID [2022-02-20 16:53:21,799 INFO L290 TraceCheckUtils]: 7: Hoare triple {739#(not (= |ULTIMATE.start_main_~x~0#1.base| (_ bv0 32)))} assume !(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {716#false} is VALID [2022-02-20 16:53:21,799 INFO L290 TraceCheckUtils]: 8: Hoare triple {716#false} assume !false; {716#false} is VALID [2022-02-20 16:53:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:53:21,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:53:21,800 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:53:21,800 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2134201534] [2022-02-20 16:53:21,800 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2134201534] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:53:21,800 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:53:21,800 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 16:53:21,800 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440650923] [2022-02-20 16:53:21,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:53:21,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-02-20 16:53:21,801 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:21,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:21,811 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:21,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:53:21,811 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:53:21,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:53:21,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:53:21,812 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:22,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:22,181 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2022-02-20 16:53:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 16:53:22,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-02-20 16:53:22,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2022-02-20 16:53:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2022-02-20 16:53:22,184 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 107 transitions. [2022-02-20 16:53:22,266 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:22,267 INFO L225 Difference]: With dead ends: 95 [2022-02-20 16:53:22,268 INFO L226 Difference]: Without dead ends: 93 [2022-02-20 16:53:22,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:53:22,268 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 140 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:22,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 70 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:53:22,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-02-20 16:53:22,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 55. [2022-02-20 16:53:22,273 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:22,273 INFO L82 GeneralOperation]: Start isEquivalent. First operand 93 states. Second operand has 55 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:22,273 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand has 55 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:22,273 INFO L87 Difference]: Start difference. First operand 93 states. Second operand has 55 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:22,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:22,278 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2022-02-20 16:53:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2022-02-20 16:53:22,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:22,281 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:22,281 INFO L74 IsIncluded]: Start isIncluded. First operand has 55 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 0 states have call successors, (0), 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 93 states. [2022-02-20 16:53:22,281 INFO L87 Difference]: Start difference. First operand has 55 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 0 states have call successors, (0), 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 93 states. [2022-02-20 16:53:22,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:22,284 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2022-02-20 16:53:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2022-02-20 16:53:22,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:22,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:22,291 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:22,291 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 54 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2022-02-20 16:53:22,293 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 9 [2022-02-20 16:53:22,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:22,293 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2022-02-20 16:53:22,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:22,293 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2022-02-20 16:53:22,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 16:53:22,294 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:22,294 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:22,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:22,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:53:22,502 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:22,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:22,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1244464818, now seen corresponding path program 1 times [2022-02-20 16:53:22,503 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:53:22,503 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515115562] [2022-02-20 16:53:22,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:22,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:53:22,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:53:22,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:53:22,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-02-20 16:53:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:22,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-20 16:53:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:22,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:22,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:22,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:22,745 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:22,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:53:22,765 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-02-20 16:53:22,780 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:53:22,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2022-02-20 16:53:22,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:22,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:22,908 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:53:22,908 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 54 treesize of output 51 [2022-02-20 16:53:22,914 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 25 treesize of output 17 [2022-02-20 16:53:22,919 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 35 treesize of output 35 [2022-02-20 16:53:23,105 INFO L290 TraceCheckUtils]: 0: Hoare triple {1106#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {1106#true} is VALID [2022-02-20 16:53:23,107 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {1114#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:23,110 INFO L290 TraceCheckUtils]: 2: Hoare triple {1114#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {1118#(and (= (_ bv0 32) |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|) |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_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:23,110 INFO L290 TraceCheckUtils]: 3: Hoare triple {1118#(and (= (_ bv0 32) |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|) |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_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {1118#(and (= (_ bv0 32) |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|) |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_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:23,112 INFO L290 TraceCheckUtils]: 4: Hoare triple {1118#(and (= (_ bv0 32) |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|) |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_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {1125#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32)) (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|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:23,113 INFO L290 TraceCheckUtils]: 5: Hoare triple {1125#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32)) (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|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {1125#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32)) (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|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:23,114 INFO L290 TraceCheckUtils]: 6: Hoare triple {1125#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32)) (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|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:23,115 INFO L290 TraceCheckUtils]: 7: Hoare triple {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:23,115 INFO L290 TraceCheckUtils]: 8: Hoare triple {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} goto; {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:23,116 INFO L290 TraceCheckUtils]: 9: Hoare triple {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} main_~marked~0#1 := 0bv32; {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:23,116 INFO L290 TraceCheckUtils]: 10: Hoare triple {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:23,117 INFO L290 TraceCheckUtils]: 11: Hoare triple {1132#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {1148#(not |ULTIMATE.start_main_#t~short9#1|)} is VALID [2022-02-20 16:53:23,118 INFO L290 TraceCheckUtils]: 12: Hoare triple {1148#(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; {1107#false} is VALID [2022-02-20 16:53:23,118 INFO L290 TraceCheckUtils]: 13: Hoare triple {1107#false} call main_#t~mem10#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {1107#false} is VALID [2022-02-20 16:53:23,118 INFO L290 TraceCheckUtils]: 14: Hoare triple {1107#false} assume !(0bv32 == main_#t~mem10#1);havoc main_#t~mem10#1; {1107#false} is VALID [2022-02-20 16:53:23,118 INFO L290 TraceCheckUtils]: 15: Hoare triple {1107#false} assume !false; {1107#false} is VALID [2022-02-20 16:53:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:23,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:23,224 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 50 treesize of output 30 [2022-02-20 16:53:23,233 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_110 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (_ bv4 32) |c_ULTIMATE.start_main_~x~0#1.offset|) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_110) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_108 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_108) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|))) is different from false [2022-02-20 16:53:23,278 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:23,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 40 [2022-02-20 16:53:23,284 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:23,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 40 [2022-02-20 16:53:23,298 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:23,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 55 [2022-02-20 16:53:23,313 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:23,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 72 [2022-02-20 16:53:23,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2022-02-20 16:53:23,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2022-02-20 16:53:23,478 INFO L290 TraceCheckUtils]: 15: Hoare triple {1107#false} assume !false; {1107#false} is VALID [2022-02-20 16:53:23,478 INFO L290 TraceCheckUtils]: 14: Hoare triple {1107#false} assume !(0bv32 == main_#t~mem10#1);havoc main_#t~mem10#1; {1107#false} is VALID [2022-02-20 16:53:23,478 INFO L290 TraceCheckUtils]: 13: Hoare triple {1107#false} call main_#t~mem10#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {1107#false} is VALID [2022-02-20 16:53:23,479 INFO L290 TraceCheckUtils]: 12: Hoare triple {1148#(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; {1107#false} is VALID [2022-02-20 16:53:23,480 INFO L290 TraceCheckUtils]: 11: Hoare triple {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {1148#(not |ULTIMATE.start_main_#t~short9#1|)} is VALID [2022-02-20 16:53:23,482 INFO L290 TraceCheckUtils]: 10: Hoare triple {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} is VALID [2022-02-20 16:53:23,483 INFO L290 TraceCheckUtils]: 9: Hoare triple {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} main_~marked~0#1 := 0bv32; {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} is VALID [2022-02-20 16:53:23,483 INFO L290 TraceCheckUtils]: 8: Hoare triple {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} goto; {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} is VALID [2022-02-20 16:53:23,483 INFO L290 TraceCheckUtils]: 7: Hoare triple {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} is VALID [2022-02-20 16:53:23,484 INFO L290 TraceCheckUtils]: 6: Hoare triple {1189#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1173#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32)))} is VALID [2022-02-20 16:53:23,484 INFO L290 TraceCheckUtils]: 5: Hoare triple {1189#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {1189#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)))} is VALID [2022-02-20 16:53:23,497 INFO L290 TraceCheckUtils]: 4: Hoare triple {1196#(and (forall ((v_ArrVal_108 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_108) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_110 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|) (bvadd (_ bv4 32) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_110) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {1189#(not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)))} is VALID [2022-02-20 16:53:23,498 INFO L290 TraceCheckUtils]: 3: Hoare triple {1196#(and (forall ((v_ArrVal_108 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_108) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_110 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|) (bvadd (_ bv4 32) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_110) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {1196#(and (forall ((v_ArrVal_108 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_108) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_110 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|) (bvadd (_ bv4 32) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_110) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 16:53:23,503 INFO L290 TraceCheckUtils]: 2: Hoare triple {1203#(forall ((v_arrayElimCell_10 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |#valid| v_arrayElimCell_10)))) (and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| v_arrayElimCell_10)))))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {1196#(and (forall ((v_ArrVal_108 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_108) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_110 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|) (bvadd (_ bv4 32) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_110) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))))} is VALID [2022-02-20 16:53:23,507 INFO L290 TraceCheckUtils]: 1: Hoare triple {1106#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8bv32);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {1203#(forall ((v_arrayElimCell_10 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |#valid| v_arrayElimCell_10)))) (and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| v_arrayElimCell_10)))))} is VALID [2022-02-20 16:53:23,508 INFO L290 TraceCheckUtils]: 0: Hoare triple {1106#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {1106#true} is VALID [2022-02-20 16:53:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:23,508 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:53:23,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515115562] [2022-02-20 16:53:23,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515115562] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:23,508 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:53:23,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-02-20 16:53:23,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255738781] [2022-02-20 16:53:23,509 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:23,509 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 16:53:23,509 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:23,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:23,560 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:23,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 16:53:23,560 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:53:23,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 16:53:23,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=71, Unknown=1, NotChecked=16, Total=110 [2022-02-20 16:53:23,561 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:25,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:25,175 INFO L93 Difference]: Finished difference Result 123 states and 147 transitions. [2022-02-20 16:53:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 16:53:25,175 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-20 16:53:25,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 142 transitions. [2022-02-20 16:53:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 142 transitions. [2022-02-20 16:53:25,178 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 142 transitions. [2022-02-20 16:53:25,295 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:25,296 INFO L225 Difference]: With dead ends: 123 [2022-02-20 16:53:25,297 INFO L226 Difference]: Without dead ends: 80 [2022-02-20 16:53:25,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=118, Unknown=1, NotChecked=22, Total=182 [2022-02-20 16:53:25,298 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 42 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 83 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:25,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 305 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 83 Unchecked, 0.5s Time] [2022-02-20 16:53:25,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-02-20 16:53:25,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 66. [2022-02-20 16:53:25,303 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:25,303 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand has 66 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 65 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:25,303 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand has 66 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 65 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:25,303 INFO L87 Difference]: Start difference. First operand 80 states. Second operand has 66 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 65 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:25,305 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2022-02-20 16:53:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2022-02-20 16:53:25,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:25,305 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:25,306 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 65 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 states. [2022-02-20 16:53:25,306 INFO L87 Difference]: Start difference. First operand has 66 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 65 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 states. [2022-02-20 16:53:25,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:25,307 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2022-02-20 16:53:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2022-02-20 16:53:25,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:25,308 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:25,308 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:25,308 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 65 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:25,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 80 transitions. [2022-02-20 16:53:25,313 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 80 transitions. Word has length 16 [2022-02-20 16:53:25,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:25,313 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 80 transitions. [2022-02-20 16:53:25,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2022-02-20 16:53:25,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 16:53:25,314 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:25,314 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:25,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:25,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:53:25,524 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:25,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:25,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1894539407, now seen corresponding path program 1 times [2022-02-20 16:53:25,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:53:25,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310973946] [2022-02-20 16:53:25,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:25,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:53:25,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:53:25,526 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:53:25,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-02-20 16:53:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:25,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-20 16:53:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:25,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:25,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:25,688 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:53:25,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2022-02-20 16:53:25,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:25,704 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:25,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:25,721 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:25,800 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:53:25,800 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 54 treesize of output 51 [2022-02-20 16:53:25,806 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 25 treesize of output 17 [2022-02-20 16:53:25,811 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 35 treesize of output 35 [2022-02-20 16:53:26,019 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 33 treesize of output 21 [2022-02-20 16:53:26,029 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-02-20 16:53:26,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:26,066 INFO L290 TraceCheckUtils]: 0: Hoare triple {1599#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {1599#true} is VALID [2022-02-20 16:53:26,072 INFO L290 TraceCheckUtils]: 1: Hoare triple {1599#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {1607#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:26,074 INFO L290 TraceCheckUtils]: 2: Hoare triple {1607#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {1611#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:26,075 INFO L290 TraceCheckUtils]: 3: Hoare triple {1611#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {1611#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:26,077 INFO L290 TraceCheckUtils]: 4: Hoare triple {1611#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {1618#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:26,077 INFO L290 TraceCheckUtils]: 5: Hoare triple {1618#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {1618#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:26,078 INFO L290 TraceCheckUtils]: 6: Hoare triple {1618#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:26,078 INFO L290 TraceCheckUtils]: 7: Hoare triple {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:26,079 INFO L290 TraceCheckUtils]: 8: Hoare triple {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} goto; {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:26,080 INFO L290 TraceCheckUtils]: 9: Hoare triple {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} main_~marked~0#1 := 0bv32; {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:26,080 INFO L290 TraceCheckUtils]: 10: Hoare triple {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:26,081 INFO L290 TraceCheckUtils]: 11: Hoare triple {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:26,081 INFO L290 TraceCheckUtils]: 12: Hoare triple {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:26,082 INFO L290 TraceCheckUtils]: 13: Hoare triple {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} is VALID [2022-02-20 16:53:26,082 INFO L290 TraceCheckUtils]: 14: Hoare triple {1625#(and (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (_ bv1 32)))} assume !!((main_#t~mem12#1.base != 0bv32 || main_#t~mem12#1.offset != 0bv32) && 0bv32 != main_#t~nondet13#1);havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {1650#(and (= (_ bv1 32) (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:26,083 INFO L290 TraceCheckUtils]: 15: Hoare triple {1650#(and (= (_ bv1 32) (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} call main_#t~mem15#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {1654#(= |ULTIMATE.start_main_#t~mem15#1| (_ bv1 32))} is VALID [2022-02-20 16:53:26,083 INFO L290 TraceCheckUtils]: 16: Hoare triple {1654#(= |ULTIMATE.start_main_#t~mem15#1| (_ bv1 32))} assume !(1bv32 == main_#t~mem15#1);havoc main_#t~mem15#1; {1600#false} is VALID [2022-02-20 16:53:26,083 INFO L290 TraceCheckUtils]: 17: Hoare triple {1600#false} assume !false; {1600#false} is VALID [2022-02-20 16:53:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:26,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:26,216 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 16:53:26,230 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_158 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_ULTIMATE.start_main_~x~0#1.offset| (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_158) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_159 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_159) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|))) is different from false [2022-02-20 16:53:26,269 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:26,269 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 37 treesize of output 38 [2022-02-20 16:53:26,275 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:26,276 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 38 [2022-02-20 16:53:26,289 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:26,290 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 50 treesize of output 53 [2022-02-20 16:53:26,304 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:26,307 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 65 treesize of output 68 [2022-02-20 16:53:26,314 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 37 treesize of output 35 [2022-02-20 16:53:26,319 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 35 treesize of output 33 [2022-02-20 16:53:26,462 INFO L290 TraceCheckUtils]: 17: Hoare triple {1600#false} assume !false; {1600#false} is VALID [2022-02-20 16:53:26,467 INFO L290 TraceCheckUtils]: 16: Hoare triple {1654#(= |ULTIMATE.start_main_#t~mem15#1| (_ bv1 32))} assume !(1bv32 == main_#t~mem15#1);havoc main_#t~mem15#1; {1600#false} is VALID [2022-02-20 16:53:26,468 INFO L290 TraceCheckUtils]: 15: Hoare triple {1667#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv1 32))} call main_#t~mem15#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {1654#(= |ULTIMATE.start_main_#t~mem15#1| (_ bv1 32))} is VALID [2022-02-20 16:53:26,468 INFO L290 TraceCheckUtils]: 14: Hoare triple {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!((main_#t~mem12#1.base != 0bv32 || main_#t~mem12#1.offset != 0bv32) && 0bv32 != main_#t~nondet13#1);havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {1667#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv1 32))} is VALID [2022-02-20 16:53:26,469 INFO L290 TraceCheckUtils]: 13: Hoare triple {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:26,469 INFO L290 TraceCheckUtils]: 12: Hoare triple {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:26,469 INFO L290 TraceCheckUtils]: 11: Hoare triple {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:26,470 INFO L290 TraceCheckUtils]: 10: Hoare triple {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:26,470 INFO L290 TraceCheckUtils]: 9: Hoare triple {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} main_~marked~0#1 := 0bv32; {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:26,471 INFO L290 TraceCheckUtils]: 8: Hoare triple {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} goto; {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:26,471 INFO L290 TraceCheckUtils]: 7: Hoare triple {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:26,472 INFO L290 TraceCheckUtils]: 6: Hoare triple {1696#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {1671#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:26,472 INFO L290 TraceCheckUtils]: 5: Hoare triple {1696#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {1696#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32))} is VALID [2022-02-20 16:53:26,481 INFO L290 TraceCheckUtils]: 4: Hoare triple {1703#(and (forall ((v_ArrVal_158 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_158) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_159 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_159) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {1696#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32))} is VALID [2022-02-20 16:53:26,483 INFO L290 TraceCheckUtils]: 3: Hoare triple {1703#(and (forall ((v_ArrVal_158 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_158) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_159 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_159) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {1703#(and (forall ((v_ArrVal_158 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_158) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_159 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_159) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 16:53:26,485 INFO L290 TraceCheckUtils]: 2: Hoare triple {1710#(forall ((v_arrayElimCell_26 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |#valid| v_arrayElimCell_26)))) (and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| v_arrayElimCell_26)))))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {1703#(and (forall ((v_ArrVal_158 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_158) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_159 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_159) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))))} is VALID [2022-02-20 16:53:26,487 INFO L290 TraceCheckUtils]: 1: Hoare triple {1599#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8bv32);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {1710#(forall ((v_arrayElimCell_26 (_ BitVec 32))) (or (not (= (_ bv0 1) (bvneg (select |#valid| v_arrayElimCell_26)))) (and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| v_arrayElimCell_26)))))} is VALID [2022-02-20 16:53:26,487 INFO L290 TraceCheckUtils]: 0: Hoare triple {1599#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {1599#true} is VALID [2022-02-20 16:53:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:26,487 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:53:26,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310973946] [2022-02-20 16:53:26,487 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310973946] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:26,487 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:53:26,487 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-02-20 16:53:26,488 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87594102] [2022-02-20 16:53:26,488 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:26,488 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 16:53:26,488 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:26,488 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:26,534 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:26,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-20 16:53:26,534 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:53:26,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-20 16:53:26,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=108, Unknown=1, NotChecked=20, Total=156 [2022-02-20 16:53:26,535 INFO L87 Difference]: Start difference. First operand 66 states and 80 transitions. Second operand has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:29,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:29,334 INFO L93 Difference]: Finished difference Result 90 states and 108 transitions. [2022-02-20 16:53:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 16:53:29,334 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-20 16:53:29,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 103 transitions. [2022-02-20 16:53:29,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:29,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 103 transitions. [2022-02-20 16:53:29,336 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 103 transitions. [2022-02-20 16:53:29,432 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:29,433 INFO L225 Difference]: With dead ends: 90 [2022-02-20 16:53:29,434 INFO L226 Difference]: Without dead ends: 88 [2022-02-20 16:53:29,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=188, Unknown=1, NotChecked=28, Total=272 [2022-02-20 16:53:29,434 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 52 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 87 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:29,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 435 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 272 Invalid, 0 Unknown, 87 Unchecked, 1.1s Time] [2022-02-20 16:53:29,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-02-20 16:53:29,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 71. [2022-02-20 16:53:29,439 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:29,439 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:29,439 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:29,439 INFO L87 Difference]: Start difference. First operand 88 states. Second operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:29,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:29,441 INFO L93 Difference]: Finished difference Result 88 states and 106 transitions. [2022-02-20 16:53:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2022-02-20 16:53:29,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:29,441 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:29,442 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 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 88 states. [2022-02-20 16:53:29,442 INFO L87 Difference]: Start difference. First operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 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 88 states. [2022-02-20 16:53:29,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:29,443 INFO L93 Difference]: Finished difference Result 88 states and 106 transitions. [2022-02-20 16:53:29,444 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2022-02-20 16:53:29,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:29,444 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:29,444 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:29,444 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:29,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 65 states have (on average 1.323076923076923) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:29,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2022-02-20 16:53:29,445 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 18 [2022-02-20 16:53:29,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:29,446 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2022-02-20 16:53:29,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.5384615384615383) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:29,446 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2022-02-20 16:53:29,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 16:53:29,446 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:29,446 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:29,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-02-20 16:53:29,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:53:29,655 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:29,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:29,655 INFO L85 PathProgramCache]: Analyzing trace with hash -2656163, now seen corresponding path program 1 times [2022-02-20 16:53:29,655 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:53:29,656 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095756467] [2022-02-20 16:53:29,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:29,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:53:29,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:53:29,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:53:29,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-02-20 16:53:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:29,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-20 16:53:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:29,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:29,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 16:53:29,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:29,860 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-02-20 16:53:29,861 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 18 treesize of output 25 [2022-02-20 16:53:29,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:29,874 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-02-20 16:53:29,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:53:29,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:53:29,981 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:53:29,982 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 15 treesize of output 15 [2022-02-20 16:53:30,007 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:30,007 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 1 case distinctions, treesize of input 19 treesize of output 27 [2022-02-20 16:53:30,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-02-20 16:53:30,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:30,197 INFO L290 TraceCheckUtils]: 0: Hoare triple {2092#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {2092#true} is VALID [2022-02-20 16:53:30,199 INFO L290 TraceCheckUtils]: 1: Hoare triple {2092#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {2100#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:30,201 INFO L290 TraceCheckUtils]: 2: Hoare triple {2100#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2104#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 16:53:30,201 INFO L290 TraceCheckUtils]: 3: Hoare triple {2104#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume !(0bv32 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {2104#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 16:53:30,203 INFO L290 TraceCheckUtils]: 4: Hoare triple {2104#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume !(0bv32 != main_~marked~0#1);call write~intINTTYPE4(0bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2104#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 16:53:30,205 INFO L290 TraceCheckUtils]: 5: Hoare triple {2104#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2114#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 16:53:30,205 INFO L290 TraceCheckUtils]: 6: Hoare triple {2114#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {2114#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} is VALID [2022-02-20 16:53:30,206 INFO L290 TraceCheckUtils]: 7: Hoare triple {2114#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2121#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))} is VALID [2022-02-20 16:53:30,207 INFO L290 TraceCheckUtils]: 8: Hoare triple {2121#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {2121#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))} is VALID [2022-02-20 16:53:30,207 INFO L290 TraceCheckUtils]: 9: Hoare triple {2121#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:30,208 INFO L290 TraceCheckUtils]: 10: Hoare triple {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:30,208 INFO L290 TraceCheckUtils]: 11: Hoare triple {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} goto; {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:30,209 INFO L290 TraceCheckUtils]: 12: Hoare triple {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} main_~marked~0#1 := 0bv32; {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:30,209 INFO L290 TraceCheckUtils]: 13: Hoare triple {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:30,210 INFO L290 TraceCheckUtils]: 14: Hoare triple {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:30,212 INFO L290 TraceCheckUtils]: 15: Hoare triple {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} 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; {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:30,213 INFO L290 TraceCheckUtils]: 16: Hoare triple {2128#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32)) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} call main_#t~mem10#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2150#(= |ULTIMATE.start_main_#t~mem10#1| (_ bv0 32))} is VALID [2022-02-20 16:53:30,213 INFO L290 TraceCheckUtils]: 17: Hoare triple {2150#(= |ULTIMATE.start_main_#t~mem10#1| (_ bv0 32))} assume !(0bv32 == main_#t~mem10#1);havoc main_#t~mem10#1; {2093#false} is VALID [2022-02-20 16:53:30,213 INFO L290 TraceCheckUtils]: 18: Hoare triple {2093#false} assume !false; {2093#false} is VALID [2022-02-20 16:53:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:30,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:30,288 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_232) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd |c_ULTIMATE.start_main_~head~0#1.offset| (_ bv4 32))) (_ bv0 32))) is different from false [2022-02-20 16:53:30,328 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32))) (or (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd |c_ULTIMATE.start_main_~head~0#1.offset| (_ bv4 32))) (_ bv0 32)) (not (= (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|)) (_ bv0 1))))) is different from false [2022-02-20 16:53:30,421 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_227 (_ BitVec 32)) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_224 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32)) (v_ArrVal_226 (_ BitVec 1))) (or (= (select (select (store (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_227)) v_ArrVal_224 v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |c_ULTIMATE.start_main_~head~0#1.base|) (bvadd |c_ULTIMATE.start_main_~head~0#1.offset| (_ bv4 32))) (_ bv0 32)) (not (= (_ bv0 1) (bvneg (select (store |c_#valid| v_ArrVal_224 v_ArrVal_226) |v_ULTIMATE.start_main_~x~0#1.base_51|)))) (not (= (_ bv0 1) (bvneg (select |c_#valid| v_ArrVal_224)))))) is different from false [2022-02-20 16:53:30,459 INFO L290 TraceCheckUtils]: 18: Hoare triple {2093#false} assume !false; {2093#false} is VALID [2022-02-20 16:53:30,459 INFO L290 TraceCheckUtils]: 17: Hoare triple {2150#(= |ULTIMATE.start_main_#t~mem10#1| (_ bv0 32))} assume !(0bv32 == main_#t~mem10#1);havoc main_#t~mem10#1; {2093#false} is VALID [2022-02-20 16:53:30,460 INFO L290 TraceCheckUtils]: 16: Hoare triple {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} call main_#t~mem10#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2150#(= |ULTIMATE.start_main_#t~mem10#1| (_ bv0 32))} is VALID [2022-02-20 16:53:30,460 INFO L290 TraceCheckUtils]: 15: Hoare triple {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} 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; {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} is VALID [2022-02-20 16:53:30,461 INFO L290 TraceCheckUtils]: 14: Hoare triple {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} is VALID [2022-02-20 16:53:30,462 INFO L290 TraceCheckUtils]: 13: Hoare triple {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} is VALID [2022-02-20 16:53:30,462 INFO L290 TraceCheckUtils]: 12: Hoare triple {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} main_~marked~0#1 := 0bv32; {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} is VALID [2022-02-20 16:53:30,464 INFO L290 TraceCheckUtils]: 11: Hoare triple {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} goto; {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} is VALID [2022-02-20 16:53:30,464 INFO L290 TraceCheckUtils]: 10: Hoare triple {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} is VALID [2022-02-20 16:53:30,474 INFO L290 TraceCheckUtils]: 9: Hoare triple {2185#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2163#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32))} is VALID [2022-02-20 16:53:30,475 INFO L290 TraceCheckUtils]: 8: Hoare triple {2185#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {2185#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))} is VALID [2022-02-20 16:53:30,476 INFO L290 TraceCheckUtils]: 7: Hoare triple {2192#(forall ((v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2185#(= (select (select |#memory_int| |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))} is VALID [2022-02-20 16:53:30,477 INFO L290 TraceCheckUtils]: 6: Hoare triple {2192#(forall ((v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {2192#(forall ((v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))} is VALID [2022-02-20 16:53:30,479 INFO L290 TraceCheckUtils]: 5: Hoare triple {2199#(forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32))) (or (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|)) (_ bv0 1))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2192#(forall ((v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))} is VALID [2022-02-20 16:53:30,496 WARN L290 TraceCheckUtils]: 4: Hoare triple {2199#(forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32))) (or (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|)) (_ bv0 1))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} assume !(0bv32 != main_~marked~0#1);call write~intINTTYPE4(0bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2199#(forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32))) (or (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|)) (_ bv0 1))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} is UNKNOWN [2022-02-20 16:53:30,497 INFO L290 TraceCheckUtils]: 3: Hoare triple {2199#(forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32))) (or (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|)) (_ bv0 1))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} assume !(0bv32 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {2199#(forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32))) (or (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|)) (_ bv0 1))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} is VALID [2022-02-20 16:53:30,501 INFO L290 TraceCheckUtils]: 2: Hoare triple {2209#(forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_227 (_ BitVec 32)) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_224 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32)) (v_ArrVal_226 (_ BitVec 1))) (or (not (= (bvneg (select (store |#valid| v_ArrVal_224 v_ArrVal_226) |v_ULTIMATE.start_main_~x~0#1.base_51|)) (_ bv0 1))) (= (select (select (store (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_227)) v_ArrVal_224 v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (not (= (_ bv0 1) (bvneg (select |#valid| v_ArrVal_224))))))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2199#(forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32))) (or (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_51|)) (_ bv0 1))) (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} is VALID [2022-02-20 16:53:30,503 INFO L290 TraceCheckUtils]: 1: Hoare triple {2092#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {2209#(forall ((v_ArrVal_230 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_227 (_ BitVec 32)) (v_ArrVal_232 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_224 (_ BitVec 32)) (|v_ULTIMATE.start_main_~x~0#1.base_51| (_ BitVec 32)) (v_ArrVal_226 (_ BitVec 1))) (or (not (= (bvneg (select (store |#valid| v_ArrVal_224 v_ArrVal_226) |v_ULTIMATE.start_main_~x~0#1.base_51|)) (_ bv0 1))) (= (select (select (store (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_227)) v_ArrVal_224 v_ArrVal_230) |v_ULTIMATE.start_main_~x~0#1.base_51| v_ArrVal_232) |ULTIMATE.start_main_~head~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)) (not (= (_ bv0 1) (bvneg (select |#valid| v_ArrVal_224))))))} is VALID [2022-02-20 16:53:30,503 INFO L290 TraceCheckUtils]: 0: Hoare triple {2092#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {2092#true} is VALID [2022-02-20 16:53:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2022-02-20 16:53:30,503 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:53:30,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095756467] [2022-02-20 16:53:30,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095756467] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:30,503 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:53:30,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-02-20 16:53:30,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057372459] [2022-02-20 16:53:30,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:30,504 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 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 19 [2022-02-20 16:53:30,504 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:30,504 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 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 16:53:30,574 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 33 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:30,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-20 16:53:30,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:53:30,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-20 16:53:30,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=65, Unknown=3, NotChecked=54, Total=156 [2022-02-20 16:53:30,575 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 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 16:53:31,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:31,790 INFO L93 Difference]: Finished difference Result 134 states and 157 transitions. [2022-02-20 16:53:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 16:53:31,791 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 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 19 [2022-02-20 16:53:31,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 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 16:53:31,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 133 transitions. [2022-02-20 16:53:31,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 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 16:53:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 133 transitions. [2022-02-20 16:53:31,793 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 133 transitions. [2022-02-20 16:53:31,902 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:31,904 INFO L225 Difference]: With dead ends: 134 [2022-02-20 16:53:31,904 INFO L226 Difference]: Without dead ends: 132 [2022-02-20 16:53:31,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=92, Unknown=3, NotChecked=66, Total=210 [2022-02-20 16:53:31,905 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 153 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 216 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:31,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 299 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 155 Invalid, 0 Unknown, 216 Unchecked, 0.4s Time] [2022-02-20 16:53:31,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-02-20 16:53:31,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 76. [2022-02-20 16:53:31,910 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:31,910 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand has 76 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 75 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:31,911 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand has 76 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 75 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:31,911 INFO L87 Difference]: Start difference. First operand 132 states. Second operand has 76 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 75 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:31,913 INFO L93 Difference]: Finished difference Result 132 states and 155 transitions. [2022-02-20 16:53:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2022-02-20 16:53:31,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:31,913 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:31,914 INFO L74 IsIncluded]: Start isIncluded. First operand has 76 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 75 states have internal predecessors, (93), 0 states have call successors, (0), 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 132 states. [2022-02-20 16:53:31,914 INFO L87 Difference]: Start difference. First operand has 76 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 75 states have internal predecessors, (93), 0 states have call successors, (0), 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 132 states. [2022-02-20 16:53:31,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:31,920 INFO L93 Difference]: Finished difference Result 132 states and 155 transitions. [2022-02-20 16:53:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2022-02-20 16:53:31,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:31,920 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:31,920 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:31,920 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 75 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2022-02-20 16:53:31,922 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 19 [2022-02-20 16:53:31,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:31,923 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2022-02-20 16:53:31,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 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 16:53:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2022-02-20 16:53:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 16:53:31,923 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:31,923 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] [2022-02-20 16:53:31,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:32,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:53:32,128 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:32,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:32,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1707152250, now seen corresponding path program 1 times [2022-02-20 16:53:32,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:53:32,129 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350417108] [2022-02-20 16:53:32,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:32,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:53:32,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:53:32,130 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:53:32,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-02-20 16:53:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:32,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-20 16:53:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:32,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:32,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:32,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:32,374 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:32,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:53:32,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-02-20 16:53:32,407 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-02-20 16:53:32,407 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 18 treesize of output 25 [2022-02-20 16:53:32,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:32,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:32,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:32,556 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:32,566 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 13 treesize of output 9 [2022-02-20 16:53:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:32,662 INFO L356 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2022-02-20 16:53:32,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 75 [2022-02-20 16:53:32,675 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2022-02-20 16:53:32,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:32,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:32,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-02-20 16:53:32,706 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-02-20 16:53:32,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2022-02-20 16:53:32,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 16:53:32,818 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 14 treesize of output 16 [2022-02-20 16:53:32,836 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 34 treesize of output 32 [2022-02-20 16:53:32,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 16:53:33,018 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 61 treesize of output 45 [2022-02-20 16:53:33,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:53:33,029 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 41 treesize of output 17 [2022-02-20 16:53:33,061 INFO L290 TraceCheckUtils]: 0: Hoare triple {2734#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {2734#true} is VALID [2022-02-20 16:53:33,063 INFO L290 TraceCheckUtils]: 1: Hoare triple {2734#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {2742#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:33,065 INFO L290 TraceCheckUtils]: 2: Hoare triple {2742#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2746#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (bvadd (_ bv1 1) (bvneg (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)))) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:33,066 INFO L290 TraceCheckUtils]: 3: Hoare triple {2746#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (bvadd (_ bv1 1) (bvneg (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)))) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume !(0bv32 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {2746#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (bvadd (_ bv1 1) (bvneg (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)))) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:33,067 INFO L290 TraceCheckUtils]: 4: Hoare triple {2746#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (bvadd (_ bv1 1) (bvneg (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)))) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume !(0bv32 != main_~marked~0#1);call write~intINTTYPE4(0bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2753#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (bvadd (_ bv1 1) (bvneg (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)))) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:33,071 INFO L290 TraceCheckUtils]: 5: Hoare triple {2753#(and (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (bvadd (_ bv1 1) (bvneg (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)))) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2757#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv0 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:33,072 INFO L290 TraceCheckUtils]: 6: Hoare triple {2757#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv0 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {2757#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv0 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:33,073 INFO L290 TraceCheckUtils]: 7: Hoare triple {2757#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv0 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2764#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv0 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:33,074 INFO L290 TraceCheckUtils]: 8: Hoare triple {2764#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv0 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {2764#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv0 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:33,074 INFO L290 TraceCheckUtils]: 9: Hoare triple {2764#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (_ bv0 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:33,075 INFO L290 TraceCheckUtils]: 10: Hoare triple {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:33,075 INFO L290 TraceCheckUtils]: 11: Hoare triple {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} goto; {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:33,076 INFO L290 TraceCheckUtils]: 12: Hoare triple {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} main_~marked~0#1 := 0bv32; {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:33,076 INFO L290 TraceCheckUtils]: 13: Hoare triple {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:33,077 INFO L290 TraceCheckUtils]: 14: Hoare triple {2771#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv0 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {2787#|ULTIMATE.start_main_#t~short9#1|} is VALID [2022-02-20 16:53:33,077 INFO L290 TraceCheckUtils]: 15: Hoare triple {2787#|ULTIMATE.start_main_#t~short9#1|} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {2735#false} is VALID [2022-02-20 16:53:33,077 INFO L290 TraceCheckUtils]: 16: Hoare triple {2735#false} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2735#false} is VALID [2022-02-20 16:53:33,077 INFO L290 TraceCheckUtils]: 17: Hoare triple {2735#false} assume !!((main_#t~mem12#1.base != 0bv32 || main_#t~mem12#1.offset != 0bv32) && 0bv32 != main_#t~nondet13#1);havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2735#false} is VALID [2022-02-20 16:53:33,077 INFO L290 TraceCheckUtils]: 18: Hoare triple {2735#false} call main_#t~mem15#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2735#false} is VALID [2022-02-20 16:53:33,077 INFO L290 TraceCheckUtils]: 19: Hoare triple {2735#false} assume !(1bv32 == main_#t~mem15#1);havoc main_#t~mem15#1; {2735#false} is VALID [2022-02-20 16:53:33,077 INFO L290 TraceCheckUtils]: 20: Hoare triple {2735#false} assume !false; {2735#false} is VALID [2022-02-20 16:53:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:33,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:33,181 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_316 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_316) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_314) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_315) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32))) is different from false [2022-02-20 16:53:33,231 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32)) (v_ArrVal_313 (_ BitVec 32)) (v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_316 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_313)) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_316) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_309) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_315) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|)))))) is different from false [2022-02-20 16:53:33,272 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-02-20 16:53:33,272 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 2 case distinctions, treesize of input 45 treesize of output 51 [2022-02-20 16:53:33,291 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:33,292 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 86 treesize of output 89 [2022-02-20 16:53:33,301 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 31 treesize of output 17 [2022-02-20 16:53:33,409 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32))) (or (and (forall ((v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_309) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_315) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|))) (not (= (_ bv0 1) (bvneg (select |c_#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|)))))) is different from false [2022-02-20 16:53:33,488 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:33,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 58 [2022-02-20 16:53:33,496 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:33,496 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 58 [2022-02-20 16:53:33,521 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:33,521 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 204 treesize of output 199 [2022-02-20 16:53:33,542 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:33,542 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 238 treesize of output 241 [2022-02-20 16:53:33,556 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 210 treesize of output 208 [2022-02-20 16:53:33,564 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 208 treesize of output 204 [2022-02-20 16:53:33,571 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 204 treesize of output 200 [2022-02-20 16:53:33,578 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 200 treesize of output 198 [2022-02-20 16:53:33,585 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 198 treesize of output 194 [2022-02-20 16:53:33,592 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 194 treesize of output 186 [2022-02-20 16:53:33,955 INFO L290 TraceCheckUtils]: 20: Hoare triple {2735#false} assume !false; {2735#false} is VALID [2022-02-20 16:53:33,955 INFO L290 TraceCheckUtils]: 19: Hoare triple {2735#false} assume !(1bv32 == main_#t~mem15#1);havoc main_#t~mem15#1; {2735#false} is VALID [2022-02-20 16:53:33,955 INFO L290 TraceCheckUtils]: 18: Hoare triple {2735#false} call main_#t~mem15#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2735#false} is VALID [2022-02-20 16:53:33,955 INFO L290 TraceCheckUtils]: 17: Hoare triple {2735#false} assume !!((main_#t~mem12#1.base != 0bv32 || main_#t~mem12#1.offset != 0bv32) && 0bv32 != main_#t~nondet13#1);havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {2735#false} is VALID [2022-02-20 16:53:33,955 INFO L290 TraceCheckUtils]: 16: Hoare triple {2735#false} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2735#false} is VALID [2022-02-20 16:53:33,956 INFO L290 TraceCheckUtils]: 15: Hoare triple {2787#|ULTIMATE.start_main_#t~short9#1|} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {2735#false} is VALID [2022-02-20 16:53:33,956 INFO L290 TraceCheckUtils]: 14: Hoare triple {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {2787#|ULTIMATE.start_main_#t~short9#1|} is VALID [2022-02-20 16:53:33,956 INFO L290 TraceCheckUtils]: 13: Hoare triple {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} is VALID [2022-02-20 16:53:33,957 INFO L290 TraceCheckUtils]: 12: Hoare triple {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} main_~marked~0#1 := 0bv32; {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} is VALID [2022-02-20 16:53:33,957 INFO L290 TraceCheckUtils]: 11: Hoare triple {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} goto; {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} is VALID [2022-02-20 16:53:33,957 INFO L290 TraceCheckUtils]: 10: Hoare triple {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} is VALID [2022-02-20 16:53:33,958 INFO L290 TraceCheckUtils]: 9: Hoare triple {2840#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {2824#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))) (_ bv0 32))} is VALID [2022-02-20 16:53:33,958 INFO L290 TraceCheckUtils]: 8: Hoare triple {2840#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {2840#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32))} is VALID [2022-02-20 16:53:34,341 INFO L290 TraceCheckUtils]: 7: Hoare triple {2847#(forall ((v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_316 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_316) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2840#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32))} is VALID [2022-02-20 16:53:34,342 INFO L290 TraceCheckUtils]: 6: Hoare triple {2847#(forall ((v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_316 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_316) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {2847#(forall ((v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_316 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_316) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)))} is VALID [2022-02-20 16:53:34,376 WARN L290 TraceCheckUtils]: 5: Hoare triple {2854#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32)) (v_ArrVal_313 (_ BitVec 32)) (v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_316 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_313)) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_316) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_309) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)) (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (_ bv0 1)))))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2847#(forall ((v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_316 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_316) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)))} is UNKNOWN [2022-02-20 16:53:34,439 WARN L290 TraceCheckUtils]: 4: Hoare triple {2858#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32))) (or (and (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_309) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (_ bv0 1)))))} assume !(0bv32 != main_~marked~0#1);call write~intINTTYPE4(0bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {2854#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32)) (v_ArrVal_313 (_ BitVec 32)) (v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_316 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= (select (select (store (store |#memory_int| |ULTIMATE.start_main_~x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_313)) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_316) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_309) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32)) (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (_ bv0 1)))))} is UNKNOWN [2022-02-20 16:53:34,448 WARN L290 TraceCheckUtils]: 3: Hoare triple {2858#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32))) (or (and (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_309) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (_ bv0 1)))))} assume !(0bv32 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {2858#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32))) (or (and (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_309) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (_ bv0 1)))))} is UNKNOWN [2022-02-20 16:53:34,451 INFO L290 TraceCheckUtils]: 2: Hoare triple {2865#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32)) (v_arrayElimCell_64 (_ BitVec 32))) (or (not (= (bvneg (select |#valid| v_arrayElimCell_64)) (_ bv0 1))) (not (= (_ bv0 1) (bvneg (select (store |#valid| v_arrayElimCell_64 (_ bv1 1)) |v_ULTIMATE.start_main_~x~0#1.base_58|)))) (and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| v_arrayElimCell_64)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)))))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {2858#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32))) (or (and (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (forall ((v_ArrVal_308 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_314 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_308) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_314) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (forall ((v_ArrVal_309 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_315 (Array (_ BitVec 32) (_ BitVec 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base| v_ArrVal_309) |v_ULTIMATE.start_main_~x~0#1.base_58| v_ArrVal_315) |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)))) (not (= (bvneg (select |#valid| |v_ULTIMATE.start_main_~x~0#1.base_58|)) (_ bv0 1)))))} is VALID [2022-02-20 16:53:34,453 INFO L290 TraceCheckUtils]: 1: Hoare triple {2734#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~nondet2#1, main_#t~mem10#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~mem8#1, main_#t~short9#1, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_~head~0#1.base, main_~head~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~marked~0#1, main_~tmp~0#1.base, main_~tmp~0#1.offset;call main_#t~malloc1#1.base, main_#t~malloc1#1.offset := #Ultimate.allocOnHeap(8bv32);main_~head~0#1.base, main_~head~0#1.offset := main_#t~malloc1#1.base, main_#t~malloc1#1.offset;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {2865#(forall ((|v_ULTIMATE.start_main_~x~0#1.base_58| (_ BitVec 32)) (v_arrayElimCell_64 (_ BitVec 32))) (or (not (= (bvneg (select |#valid| v_arrayElimCell_64)) (_ bv0 1))) (not (= (_ bv0 1) (bvneg (select (store |#valid| v_arrayElimCell_64 (_ bv1 1)) |v_ULTIMATE.start_main_~x~0#1.base_58|)))) (and (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| v_arrayElimCell_64)) (not (= |v_ULTIMATE.start_main_~x~0#1.base_58| |ULTIMATE.start_main_~head~0#1.base|)))))} is VALID [2022-02-20 16:53:34,453 INFO L290 TraceCheckUtils]: 0: Hoare triple {2734#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {2734#true} is VALID [2022-02-20 16:53:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2022-02-20 16:53:34,454 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:53:34,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350417108] [2022-02-20 16:53:34,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350417108] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:53:34,454 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:53:34,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-02-20 16:53:34,454 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846357035] [2022-02-20 16:53:34,454 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:53:34,455 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 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 21 [2022-02-20 16:53:34,455 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:34,455 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 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 16:53:35,636 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 32 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:35,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-20 16:53:35,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:53:35,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-20 16:53:35,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=106, Unknown=3, NotChecked=66, Total=210 [2022-02-20 16:53:35,637 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 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 16:53:37,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:37,923 INFO L93 Difference]: Finished difference Result 150 states and 180 transitions. [2022-02-20 16:53:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 16:53:37,924 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 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 21 [2022-02-20 16:53:37,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:37,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 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 16:53:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 152 transitions. [2022-02-20 16:53:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 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 16:53:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 152 transitions. [2022-02-20 16:53:37,935 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 152 transitions. [2022-02-20 16:53:38,082 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 152 edges. 152 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:38,084 INFO L225 Difference]: With dead ends: 150 [2022-02-20 16:53:38,084 INFO L226 Difference]: Without dead ends: 116 [2022-02-20 16:53:38,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=142, Unknown=3, NotChecked=78, Total=272 [2022-02-20 16:53:38,085 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 77 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 219 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:38,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 448 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 193 Invalid, 0 Unknown, 219 Unchecked, 0.7s Time] [2022-02-20 16:53:38,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-02-20 16:53:38,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 88. [2022-02-20 16:53:38,096 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:38,096 INFO L82 GeneralOperation]: Start isEquivalent. First operand 116 states. Second operand has 88 states, 82 states have (on average 1.329268292682927) internal successors, (109), 87 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:38,096 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand has 88 states, 82 states have (on average 1.329268292682927) internal successors, (109), 87 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:38,097 INFO L87 Difference]: Start difference. First operand 116 states. Second operand has 88 states, 82 states have (on average 1.329268292682927) internal successors, (109), 87 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:38,098 INFO L93 Difference]: Finished difference Result 116 states and 141 transitions. [2022-02-20 16:53:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2022-02-20 16:53:38,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:38,099 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:38,099 INFO L74 IsIncluded]: Start isIncluded. First operand has 88 states, 82 states have (on average 1.329268292682927) internal successors, (109), 87 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 116 states. [2022-02-20 16:53:38,099 INFO L87 Difference]: Start difference. First operand has 88 states, 82 states have (on average 1.329268292682927) internal successors, (109), 87 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 116 states. [2022-02-20 16:53:38,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:38,101 INFO L93 Difference]: Finished difference Result 116 states and 141 transitions. [2022-02-20 16:53:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2022-02-20 16:53:38,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:38,102 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:38,102 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:38,102 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 82 states have (on average 1.329268292682927) internal successors, (109), 87 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 109 transitions. [2022-02-20 16:53:38,104 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 109 transitions. Word has length 21 [2022-02-20 16:53:38,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:38,104 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 109 transitions. [2022-02-20 16:53:38,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 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 16:53:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2022-02-20 16:53:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 16:53:38,105 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:38,105 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 16:53:38,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-02-20 16:53:38,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:53:38,314 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:38,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:38,315 INFO L85 PathProgramCache]: Analyzing trace with hash -812807684, now seen corresponding path program 1 times [2022-02-20 16:53:38,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:53:38,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065391552] [2022-02-20 16:53:38,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:38,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:53:38,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:53:38,316 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:53:38,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-02-20 16:53:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:38,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 16:53:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:38,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:38,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:38,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:38,528 INFO L290 TraceCheckUtils]: 0: Hoare triple {3397#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {3397#true} is VALID [2022-02-20 16:53:38,528 INFO L290 TraceCheckUtils]: 1: Hoare triple {3397#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {3397#true} is VALID [2022-02-20 16:53:38,528 INFO L290 TraceCheckUtils]: 2: Hoare triple {3397#true} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {3397#true} is VALID [2022-02-20 16:53:38,528 INFO L290 TraceCheckUtils]: 3: Hoare triple {3397#true} assume !(0bv32 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {3397#true} is VALID [2022-02-20 16:53:38,529 INFO L290 TraceCheckUtils]: 4: Hoare triple {3397#true} assume !(0bv32 != main_~marked~0#1);call write~intINTTYPE4(0bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {3397#true} is VALID [2022-02-20 16:53:38,529 INFO L290 TraceCheckUtils]: 5: Hoare triple {3397#true} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {3397#true} is VALID [2022-02-20 16:53:38,529 INFO L290 TraceCheckUtils]: 6: Hoare triple {3397#true} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {3397#true} is VALID [2022-02-20 16:53:38,529 INFO L290 TraceCheckUtils]: 7: Hoare triple {3397#true} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {3397#true} is VALID [2022-02-20 16:53:38,530 INFO L290 TraceCheckUtils]: 8: Hoare triple {3397#true} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {3397#true} is VALID [2022-02-20 16:53:38,530 INFO L290 TraceCheckUtils]: 9: Hoare triple {3397#true} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3397#true} is VALID [2022-02-20 16:53:38,530 INFO L290 TraceCheckUtils]: 10: Hoare triple {3397#true} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {3397#true} is VALID [2022-02-20 16:53:38,530 INFO L290 TraceCheckUtils]: 11: Hoare triple {3397#true} goto; {3397#true} is VALID [2022-02-20 16:53:38,530 INFO L290 TraceCheckUtils]: 12: Hoare triple {3397#true} main_~marked~0#1 := 0bv32; {3397#true} is VALID [2022-02-20 16:53:38,531 INFO L290 TraceCheckUtils]: 13: Hoare triple {3397#true} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {3441#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)) (not |ULTIMATE.start_main_#t~short9#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32))) (and |ULTIMATE.start_main_#t~short9#1| (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32))))))} is VALID [2022-02-20 16:53:38,531 INFO L290 TraceCheckUtils]: 14: Hoare triple {3441#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)) (not |ULTIMATE.start_main_#t~short9#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32))) (and |ULTIMATE.start_main_#t~short9#1| (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32))))))} assume !main_#t~short9#1; {3445#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:38,532 INFO L290 TraceCheckUtils]: 15: Hoare triple {3445#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {3445#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:38,532 INFO L290 TraceCheckUtils]: 16: Hoare triple {3445#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32)))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {3452#(and (= |ULTIMATE.start_main_#t~mem12#1.base| (_ bv0 32)) (= |ULTIMATE.start_main_#t~mem12#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:38,533 INFO L290 TraceCheckUtils]: 17: Hoare triple {3452#(and (= |ULTIMATE.start_main_#t~mem12#1.base| (_ bv0 32)) (= |ULTIMATE.start_main_#t~mem12#1.offset| (_ bv0 32)))} assume !!((main_#t~mem12#1.base != 0bv32 || main_#t~mem12#1.offset != 0bv32) && 0bv32 != main_#t~nondet13#1);havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {3398#false} is VALID [2022-02-20 16:53:38,533 INFO L290 TraceCheckUtils]: 18: Hoare triple {3398#false} call main_#t~mem15#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {3398#false} is VALID [2022-02-20 16:53:38,533 INFO L290 TraceCheckUtils]: 19: Hoare triple {3398#false} assume !(1bv32 == main_#t~mem15#1);havoc main_#t~mem15#1; {3398#false} is VALID [2022-02-20 16:53:38,533 INFO L290 TraceCheckUtils]: 20: Hoare triple {3398#false} assume !false; {3398#false} is VALID [2022-02-20 16:53:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-20 16:53:38,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:53:38,534 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:53:38,534 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065391552] [2022-02-20 16:53:38,534 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065391552] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:53:38,535 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:53:38,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 16:53:38,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385680989] [2022-02-20 16:53:38,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:53:38,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 16:53:38,536 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:53:38,536 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:38,553 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 16:53:38,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 16:53:38,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:53:38,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 16:53:38,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:53:38,553 INFO L87 Difference]: Start difference. First operand 88 states and 109 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:39,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:39,199 INFO L93 Difference]: Finished difference Result 130 states and 157 transitions. [2022-02-20 16:53:39,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 16:53:39,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 16:53:39,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:53:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 104 transitions. [2022-02-20 16:53:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 104 transitions. [2022-02-20 16:53:39,201 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 104 transitions. [2022-02-20 16:53:39,274 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:53:39,275 INFO L225 Difference]: With dead ends: 130 [2022-02-20 16:53:39,275 INFO L226 Difference]: Without dead ends: 94 [2022-02-20 16:53:39,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 16:53:39,275 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 5 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 16:53:39,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 173 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 16:53:39,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-02-20 16:53:39,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2022-02-20 16:53:39,284 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:53:39,285 INFO L82 GeneralOperation]: Start isEquivalent. First operand 94 states. Second operand has 90 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:39,285 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand has 90 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:39,286 INFO L87 Difference]: Start difference. First operand 94 states. Second operand has 90 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:39,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:39,288 INFO L93 Difference]: Finished difference Result 94 states and 115 transitions. [2022-02-20 16:53:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2022-02-20 16:53:39,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:39,289 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:39,289 INFO L74 IsIncluded]: Start isIncluded. First operand has 90 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 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 94 states. [2022-02-20 16:53:39,289 INFO L87 Difference]: Start difference. First operand has 90 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 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 94 states. [2022-02-20 16:53:39,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:53:39,290 INFO L93 Difference]: Finished difference Result 94 states and 115 transitions. [2022-02-20 16:53:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2022-02-20 16:53:39,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:53:39,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:53:39,291 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:53:39,291 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:53:39,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 84 states have (on average 1.3214285714285714) internal successors, (111), 89 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2022-02-20 16:53:39,295 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 111 transitions. Word has length 21 [2022-02-20 16:53:39,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:53:39,295 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-02-20 16:53:39,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:53:39,296 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 111 transitions. [2022-02-20 16:53:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 16:53:39,296 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:53:39,297 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:53:39,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-02-20 16:53:39,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:53:39,506 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 16:53:39,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:53:39,506 INFO L85 PathProgramCache]: Analyzing trace with hash -285186116, now seen corresponding path program 1 times [2022-02-20 16:53:39,506 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:53:39,506 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405037454] [2022-02-20 16:53:39,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:53:39,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:53:39,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:53:39,507 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:53:39,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-02-20 16:53:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:39,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-20 16:53:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:53:39,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:53:39,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-20 16:53:39,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:39,755 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:53:39,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2022-02-20 16:53:39,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-02-20 16:53:39,787 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-02-20 16:53:39,788 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 18 treesize of output 25 [2022-02-20 16:53:39,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2022-02-20 16:53:39,807 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:39,913 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 13 treesize of output 9 [2022-02-20 16:53:39,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:39,931 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-20 16:53:40,007 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-02-20 16:53:40,007 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 66 [2022-02-20 16:53:40,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:40,026 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-02-20 16:53:40,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 80 [2022-02-20 16:53:40,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:40,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:40,038 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-02-20 16:53:40,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2022-02-20 16:53:40,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:53:40,053 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 18 treesize of output 20 [2022-02-20 16:53:40,073 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-02-20 16:53:40,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 29 [2022-02-20 16:53:40,205 INFO L356 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-02-20 16:53:40,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 65 [2022-02-20 16:53:40,215 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 26 treesize of output 28 [2022-02-20 16:53:40,224 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 22 treesize of output 24 [2022-02-20 16:53:40,542 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 16:53:40,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 26 [2022-02-20 16:53:40,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:40,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:53:40,620 INFO L290 TraceCheckUtils]: 0: Hoare triple {3921#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(15bv32, 2bv32); {3921#true} is VALID [2022-02-20 16:53:40,622 INFO L290 TraceCheckUtils]: 1: Hoare triple {3921#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc1#1.base, main_#t~malloc1#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1.base, main_#t~mem4#1.offset, main_#t~nondet5#1, main_#t~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~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_#t~nondet13#1, main_#t~malloc16#1.base, main_#t~malloc16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~mem18#1.base, main_#t~mem18#1.offset, main_#t~mem21#1, main_#t~mem22#1, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem19#1, main_#t~short20#1, main_#t~mem24#1, main_#t~mem25#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#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(8bv32);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;call write~$Pointer$(0bv32, 0bv32, main_~head~0#1.base, main_~head~0#1.offset, 4bv32);call write~intINTTYPE4(0bv32, main_~head~0#1.base, ~bvadd32(4bv32, main_~head~0#1.offset), 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset;main_~marked~0#1 := 0bv32; {3929#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} is VALID [2022-02-20 16:53:40,624 INFO L290 TraceCheckUtils]: 2: Hoare triple {3929#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~head~0#1.base|) (_ bv1 1)) (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|) (= |ULTIMATE.start_main_~x~0#1.offset| |ULTIMATE.start_main_~head~0#1.offset|))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {3933#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,625 INFO L290 TraceCheckUtils]: 3: Hoare triple {3933#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume 0bv32 != main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~marked~0#1 := 1bv32; {3933#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,627 INFO L290 TraceCheckUtils]: 4: Hoare triple {3933#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {3940#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv1 32)) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,631 INFO L290 TraceCheckUtils]: 5: Hoare triple {3940#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv1 32)) (= (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~x~0#1.base|)) (_ bv1 1)) (_ bv0 1)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) |ULTIMATE.start_main_~x~0#1.offset|) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (= (_ bv0 1) (bvadd (bvneg (select |#valid| |ULTIMATE.start_main_~head~0#1.base|)) (_ bv1 1))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume !!(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8bv32);call write~$Pointer$(main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_~x~0#1.base, main_~x~0#1.offset, 4bv32);havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~mem4#1.base, main_#t~mem4#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem4#1.base, main_#t~mem4#1.offset;havoc main_#t~mem4#1.base, main_#t~mem4#1.offset;call write~$Pointer$(0bv32, 0bv32, main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {3944#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} is VALID [2022-02-20 16:53:40,632 INFO L290 TraceCheckUtils]: 6: Hoare triple {3944#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} assume !(0bv32 != main_#t~nondet5#1);havoc main_#t~nondet5#1; {3944#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} is VALID [2022-02-20 16:53:40,634 INFO L290 TraceCheckUtils]: 7: Hoare triple {3944#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)) (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32))))} assume 0bv32 != main_~marked~0#1;call write~intINTTYPE4(1bv32, main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {3951#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:40,635 INFO L290 TraceCheckUtils]: 8: Hoare triple {3951#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {3951#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} is VALID [2022-02-20 16:53:40,637 INFO L290 TraceCheckUtils]: 9: Hoare triple {3951#(and (= (_ bv0 32) |ULTIMATE.start_main_~head~0#1.offset|) (not (= |ULTIMATE.start_main_~head~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))) (= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv4 32))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (_ bv0 32)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|) (_ bv0 32)))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,638 INFO L290 TraceCheckUtils]: 10: Hoare triple {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,638 INFO L290 TraceCheckUtils]: 11: Hoare triple {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} goto; {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,642 INFO L290 TraceCheckUtils]: 12: Hoare triple {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} main_~marked~0#1 := 0bv32; {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,643 INFO L290 TraceCheckUtils]: 13: Hoare triple {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,644 INFO L290 TraceCheckUtils]: 14: Hoare triple {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,644 INFO L290 TraceCheckUtils]: 15: Hoare triple {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,645 INFO L290 TraceCheckUtils]: 16: Hoare triple {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,645 INFO L290 TraceCheckUtils]: 17: Hoare triple {3958#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv4 32)) (_ bv1 32)) (= (_ bv0 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (not (= |ULTIMATE.start_main_~x~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32))) (_ bv0 32)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) (_ bv0 32)))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} assume !!((main_#t~mem12#1.base != 0bv32 || main_#t~mem12#1.offset != 0bv32) && 0bv32 != main_#t~nondet13#1);havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {3983#(and (= (_ bv1 32) (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} is VALID [2022-02-20 16:53:40,646 INFO L290 TraceCheckUtils]: 18: Hoare triple {3983#(and (= (_ bv1 32) (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (_ bv4 32))) (= |ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32)))} call main_#t~mem15#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {3987#(= |ULTIMATE.start_main_#t~mem15#1| (_ bv1 32))} is VALID [2022-02-20 16:53:40,646 INFO L290 TraceCheckUtils]: 19: Hoare triple {3987#(= |ULTIMATE.start_main_#t~mem15#1| (_ bv1 32))} assume !(1bv32 == main_#t~mem15#1);havoc main_#t~mem15#1; {3922#false} is VALID [2022-02-20 16:53:40,646 INFO L290 TraceCheckUtils]: 20: Hoare triple {3922#false} assume !false; {3922#false} is VALID [2022-02-20 16:53:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:53:40,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:53:40,782 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_464 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_465 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_463 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_464) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_463) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_465) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32))) is different from false [2022-02-20 16:53:40,850 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_464 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_465 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_463 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_455 (_ BitVec 32)) (v_ArrVal_454 (_ BitVec 32)) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_455)) v_ArrVal_454 v_ArrVal_464) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_454)) v_ArrVal_454 v_ArrVal_463) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_458) v_ArrVal_454 v_ArrVal_465) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32)) (not (= (_ bv0 1) (bvneg (select |c_#valid| v_ArrVal_454)))))) is different from false [2022-02-20 16:53:40,873 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:40,873 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 48 treesize of output 52 [2022-02-20 16:53:40,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:53:40,886 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:40,886 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 51 treesize of output 57 [2022-02-20 16:53:40,904 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:40,905 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 100 treesize of output 103 [2022-02-20 16:53:40,912 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 37 treesize of output 21 [2022-02-20 16:53:40,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-02-20 16:53:41,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-02-20 16:53:41,052 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_20 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (_ bv0 1) (bvneg (select |c_#valid| (select v_arrayElimArr_20 |c_ULTIMATE.start_main_~x~0#1.offset|))))) (and (forall ((v_ArrVal_463 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_20) (select v_arrayElimArr_20 |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_463) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_463 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (select v_arrayElimArr_20 |c_ULTIMATE.start_main_~x~0#1.offset|))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_20) .cse0 v_ArrVal_463) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) .cse0)))) (forall ((v_ArrVal_465 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_458 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_458) (select v_arrayElimArr_20 |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_465) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.offset|))))) is different from false [2022-02-20 16:53:41,091 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-02-20 16:53:41,149 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:41,150 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 73 treesize of output 74 [2022-02-20 16:53:41,161 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:41,162 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 74 treesize of output 66 [2022-02-20 16:53:41,179 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:41,179 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 177 treesize of output 176 [2022-02-20 16:53:41,206 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:41,207 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 340 treesize of output 335 [2022-02-20 16:53:41,220 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:53:41,220 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 347 treesize of output 307 [2022-02-20 16:53:41,231 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 258 treesize of output 254 [2022-02-20 16:53:41,239 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 254 treesize of output 246 [2022-02-20 16:53:41,248 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 246 treesize of output 238 [2022-02-20 16:53:41,256 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 238 treesize of output 234 [2022-02-20 16:53:41,755 INFO L290 TraceCheckUtils]: 20: Hoare triple {3922#false} assume !false; {3922#false} is VALID [2022-02-20 16:53:41,756 INFO L290 TraceCheckUtils]: 19: Hoare triple {3987#(= |ULTIMATE.start_main_#t~mem15#1| (_ bv1 32))} assume !(1bv32 == main_#t~mem15#1);havoc main_#t~mem15#1; {3922#false} is VALID [2022-02-20 16:53:41,756 INFO L290 TraceCheckUtils]: 18: Hoare triple {4000#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv1 32))} call main_#t~mem15#1 := read~intINTTYPE4(main_~x~0#1.base, ~bvadd32(4bv32, main_~x~0#1.offset), 4bv32); {3987#(= |ULTIMATE.start_main_#t~mem15#1| (_ bv1 32))} is VALID [2022-02-20 16:53:41,757 INFO L290 TraceCheckUtils]: 17: Hoare triple {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!((main_#t~mem12#1.base != 0bv32 || main_#t~mem12#1.offset != 0bv32) && 0bv32 != main_#t~nondet13#1);havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~nondet13#1;call main_#t~mem14#1.base, main_#t~mem14#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_~x~0#1.base, main_~x~0#1.offset := main_#t~mem14#1.base, main_#t~mem14#1.offset;havoc main_#t~mem14#1.base, main_#t~mem14#1.offset; {4000#(= (select (select |#memory_int| |ULTIMATE.start_main_~x~0#1.base|) (bvadd (_ bv4 32) |ULTIMATE.start_main_~x~0#1.offset|)) (_ bv1 32))} is VALID [2022-02-20 16:53:41,757 INFO L290 TraceCheckUtils]: 16: Hoare triple {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32); {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:41,758 INFO L290 TraceCheckUtils]: 15: Hoare triple {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !main_#t~short9#1;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem8#1;havoc main_#t~short9#1; {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:41,758 INFO L290 TraceCheckUtils]: 14: Hoare triple {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume main_#t~short9#1;call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);call main_#t~mem8#1 := read~intINTTYPE4(main_#t~mem7#1.base, ~bvadd32(4bv32, main_#t~mem7#1.offset), 4bv32);main_#t~short9#1 := 0bv32 == main_#t~mem8#1; {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:41,758 INFO L290 TraceCheckUtils]: 13: Hoare triple {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~x~0#1.base, main_~x~0#1.offset, 4bv32);main_#t~short9#1 := main_#t~mem6#1.base != 0bv32 || main_#t~mem6#1.offset != 0bv32; {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:41,759 INFO L290 TraceCheckUtils]: 12: Hoare triple {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} main_~marked~0#1 := 0bv32; {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:41,759 INFO L290 TraceCheckUtils]: 11: Hoare triple {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} goto; {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:41,759 INFO L290 TraceCheckUtils]: 10: Hoare triple {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} assume !!(0bv32 != main_~x~0#1.base || 0bv32 != main_~x~0#1.offset); {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:41,760 INFO L290 TraceCheckUtils]: 9: Hoare triple {4029#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32))} main_~x~0#1.base, main_~x~0#1.offset := main_~head~0#1.base, main_~head~0#1.offset; {4004#(= (_ bv1 32) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~x~0#1.base|) |ULTIMATE.start_main_~x~0#1.offset|))))} is VALID [2022-02-20 16:53:41,760 INFO L290 TraceCheckUtils]: 8: Hoare triple {4029#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32))} assume !(0bv32 != main_#t~nondet2#1 || 0bv32 == main_~marked~0#1);havoc main_#t~nondet2#1; {4029#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv4 32) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~0#1.base|) |ULTIMATE.start_main_~head~0#1.offset|))) (_ bv1 32))} is VALID