./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext/tree_cnstr.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety-ext/tree_cnstr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba983053090b7e7410066c63fe0cfe9ad27960a7dc19d54045684ba21359c88d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:46:29,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:46:29,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:46:29,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:46:29,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:46:29,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:46:29,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:46:29,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:46:29,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:46:29,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:46:29,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:46:29,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:46:29,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:46:29,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:46:29,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:46:29,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:46:29,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:46:29,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:46:29,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:46:29,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:46:29,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:46:29,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:46:29,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:46:29,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:46:29,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:46:29,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:46:29,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:46:29,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:46:29,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:46:29,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:46:29,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:46:29,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:46:29,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:46:29,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:46:29,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:46:29,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:46:29,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:46:29,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:46:29,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:46:29,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:46:29,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:46:29,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:46:29,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:46:29,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:46:29,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:46:29,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:46:29,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:46:29,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:46:29,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:46:29,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:46:29,531 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:46:29,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:46:29,531 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:46:29,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:46:29,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:46:29,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:46:29,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:46:29,532 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:46:29,532 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:46:29,532 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:46:29,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:46:29,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:46:29,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:46:29,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:46:29,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:46:29,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:46:29,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:46:29,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:46:29,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:46:29,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:46:29,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:46:29,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:46:29,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba983053090b7e7410066c63fe0cfe9ad27960a7dc19d54045684ba21359c88d [2022-02-20 23:46:29,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:46:29,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:46:29,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:46:29,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:46:29,747 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:46:29,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext/tree_cnstr.i [2022-02-20 23:46:29,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d75c682/b061d9234fa248559e1b815142efafc1/FLAGda121c7ac [2022-02-20 23:46:30,224 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:46:30,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext/tree_cnstr.i [2022-02-20 23:46:30,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d75c682/b061d9234fa248559e1b815142efafc1/FLAGda121c7ac [2022-02-20 23:46:30,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96d75c682/b061d9234fa248559e1b815142efafc1 [2022-02-20 23:46:30,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:46:30,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:46:30,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:46:30,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:46:30,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:46:30,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f89c6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30, skipping insertion in model container [2022-02-20 23:46:30,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:46:30,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:46:30,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:46:30,580 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:46:30,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:46:30,633 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:46:30,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30 WrapperNode [2022-02-20 23:46:30,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:46:30,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:46:30,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:46:30,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:46:30,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,675 INFO L137 Inliner]: procedures = 123, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 138 [2022-02-20 23:46:30,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:46:30,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:46:30,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:46:30,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:46:30,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:46:30,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:46:30,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:46:30,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:46:30,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (1/1) ... [2022-02-20 23:46:30,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:46:30,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:30,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 23:46:30,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 23:46:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:46:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:46:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:46:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:46:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:46:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:46:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:46:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:46:30,918 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:46:30,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:46:31,419 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:46:31,426 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:46:31,426 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-20 23:46:31,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:46:31 BoogieIcfgContainer [2022-02-20 23:46:31,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:46:31,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:46:31,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:46:31,432 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:46:31,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:46:30" (1/3) ... [2022-02-20 23:46:31,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f53ed3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:46:31, skipping insertion in model container [2022-02-20 23:46:31,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:46:30" (2/3) ... [2022-02-20 23:46:31,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f53ed3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:46:31, skipping insertion in model container [2022-02-20 23:46:31,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:46:31" (3/3) ... [2022-02-20 23:46:31,434 INFO L111 eAbstractionObserver]: Analyzing ICFG tree_cnstr.i [2022-02-20 23:46:31,438 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:46:31,438 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2022-02-20 23:46:31,473 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:46:31,478 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 23:46:31,478 INFO L340 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2022-02-20 23:46:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 66 states have (on average 2.121212121212121) internal successors, (140), 122 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:46:31,497 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:31,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:46:31,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:31,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:31,502 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-02-20 23:46:31,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:31,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862558550] [2022-02-20 23:46:31,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:31,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:31,633 INFO L290 TraceCheckUtils]: 0: Hoare triple {126#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(13, 2); {126#true} is VALID [2022-02-20 23:46:31,634 INFO L290 TraceCheckUtils]: 1: Hoare triple {126#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {128#(= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1)} is VALID [2022-02-20 23:46:31,635 INFO L290 TraceCheckUtils]: 2: Hoare triple {128#(= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1)} assume !(1 == #valid[main_~root~0#1.base]); {127#false} is VALID [2022-02-20 23:46:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:31,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:31,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862558550] [2022-02-20 23:46:31,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862558550] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:31,637 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:31,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:46:31,638 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837771158] [2022-02-20 23:46:31,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:31,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:46:31,643 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:31,645 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:31,649 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:31,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:46:31,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:31,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:46:31,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:31,665 INFO L87 Difference]: Start difference. First operand has 123 states, 66 states have (on average 2.121212121212121) internal successors, (140), 122 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:31,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:31,876 INFO L93 Difference]: Finished difference Result 166 states and 184 transitions. [2022-02-20 23:46:31,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:31,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:46:31,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2022-02-20 23:46:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:31,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2022-02-20 23:46:31,885 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 192 transitions. [2022-02-20 23:46:32,043 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 192 edges. 192 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:32,051 INFO L225 Difference]: With dead ends: 166 [2022-02-20 23:46:32,052 INFO L226 Difference]: Without dead ends: 162 [2022-02-20 23:46:32,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:32,055 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 128 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:32,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 106 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:32,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-02-20 23:46:32,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 119. [2022-02-20 23:46:32,077 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:32,078 INFO L82 GeneralOperation]: Start isEquivalent. First operand 162 states. Second operand has 119 states, 65 states have (on average 2.0307692307692307) internal successors, (132), 118 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,079 INFO L74 IsIncluded]: Start isIncluded. First operand 162 states. Second operand has 119 states, 65 states have (on average 2.0307692307692307) internal successors, (132), 118 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,079 INFO L87 Difference]: Start difference. First operand 162 states. Second operand has 119 states, 65 states have (on average 2.0307692307692307) internal successors, (132), 118 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,085 INFO L93 Difference]: Finished difference Result 162 states and 180 transitions. [2022-02-20 23:46:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 180 transitions. [2022-02-20 23:46:32,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:32,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:32,086 INFO L74 IsIncluded]: Start isIncluded. First operand has 119 states, 65 states have (on average 2.0307692307692307) internal successors, (132), 118 states have internal predecessors, (132), 0 states have call successors, (0), 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 162 states. [2022-02-20 23:46:32,086 INFO L87 Difference]: Start difference. First operand has 119 states, 65 states have (on average 2.0307692307692307) internal successors, (132), 118 states have internal predecessors, (132), 0 states have call successors, (0), 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 162 states. [2022-02-20 23:46:32,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,091 INFO L93 Difference]: Finished difference Result 162 states and 180 transitions. [2022-02-20 23:46:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 180 transitions. [2022-02-20 23:46:32,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:32,092 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:32,092 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:32,092 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 65 states have (on average 2.0307692307692307) internal successors, (132), 118 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 132 transitions. [2022-02-20 23:46:32,096 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 132 transitions. Word has length 3 [2022-02-20 23:46:32,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:32,096 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 132 transitions. [2022-02-20 23:46:32,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 132 transitions. [2022-02-20 23:46:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-20 23:46:32,097 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:32,097 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-20 23:46:32,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:46:32,097 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:32,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:32,098 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-02-20 23:46:32,098 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:32,098 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952659031] [2022-02-20 23:46:32,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:32,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:32,134 INFO L290 TraceCheckUtils]: 0: Hoare triple {740#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(13, 2); {740#true} is VALID [2022-02-20 23:46:32,135 INFO L290 TraceCheckUtils]: 1: Hoare triple {740#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {742#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:32,136 INFO L290 TraceCheckUtils]: 2: Hoare triple {742#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume !(4 + main_~root~0#1.offset <= #length[main_~root~0#1.base] && 0 <= main_~root~0#1.offset); {741#false} is VALID [2022-02-20 23:46:32,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:32,136 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:32,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952659031] [2022-02-20 23:46:32,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952659031] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:32,137 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:32,137 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:46:32,137 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100164746] [2022-02-20 23:46:32,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:32,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:46:32,138 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:32,138 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,141 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:32,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:46:32,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:32,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:46:32,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:32,142 INFO L87 Difference]: Start difference. First operand 119 states and 132 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,343 INFO L93 Difference]: Finished difference Result 160 states and 178 transitions. [2022-02-20 23:46:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:32,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-02-20 23:46:32,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:32,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2022-02-20 23:46:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2022-02-20 23:46:32,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 180 transitions. [2022-02-20 23:46:32,498 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:32,500 INFO L225 Difference]: With dead ends: 160 [2022-02-20 23:46:32,500 INFO L226 Difference]: Without dead ends: 160 [2022-02-20 23:46:32,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:32,502 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 125 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:32,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 110 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:32,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-02-20 23:46:32,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 117. [2022-02-20 23:46:32,506 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:32,506 INFO L82 GeneralOperation]: Start isEquivalent. First operand 160 states. Second operand has 117 states, 65 states have (on average 2.0) internal successors, (130), 116 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,507 INFO L74 IsIncluded]: Start isIncluded. First operand 160 states. Second operand has 117 states, 65 states have (on average 2.0) internal successors, (130), 116 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,507 INFO L87 Difference]: Start difference. First operand 160 states. Second operand has 117 states, 65 states have (on average 2.0) internal successors, (130), 116 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,510 INFO L93 Difference]: Finished difference Result 160 states and 178 transitions. [2022-02-20 23:46:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 178 transitions. [2022-02-20 23:46:32,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:32,511 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:32,511 INFO L74 IsIncluded]: Start isIncluded. First operand has 117 states, 65 states have (on average 2.0) internal successors, (130), 116 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 160 states. [2022-02-20 23:46:32,512 INFO L87 Difference]: Start difference. First operand has 117 states, 65 states have (on average 2.0) internal successors, (130), 116 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 160 states. [2022-02-20 23:46:32,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,515 INFO L93 Difference]: Finished difference Result 160 states and 178 transitions. [2022-02-20 23:46:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 178 transitions. [2022-02-20 23:46:32,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:32,516 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:32,516 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:32,516 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 65 states have (on average 2.0) internal successors, (130), 116 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 130 transitions. [2022-02-20 23:46:32,519 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 130 transitions. Word has length 3 [2022-02-20 23:46:32,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:32,519 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 130 transitions. [2022-02-20 23:46:32,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 130 transitions. [2022-02-20 23:46:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-02-20 23:46:32,520 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:32,520 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:32,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:46:32,520 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:32,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:32,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1803031021, now seen corresponding path program 1 times [2022-02-20 23:46:32,521 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:32,521 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241956326] [2022-02-20 23:46:32,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:32,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:32,579 INFO L290 TraceCheckUtils]: 0: Hoare triple {1342#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(13, 2); {1342#true} is VALID [2022-02-20 23:46:32,580 INFO L290 TraceCheckUtils]: 1: Hoare triple {1342#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {1342#true} is VALID [2022-02-20 23:46:32,580 INFO L290 TraceCheckUtils]: 2: Hoare triple {1342#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {1344#(= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1)} is VALID [2022-02-20 23:46:32,581 INFO L290 TraceCheckUtils]: 3: Hoare triple {1344#(= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {1344#(= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1)} is VALID [2022-02-20 23:46:32,581 INFO L290 TraceCheckUtils]: 4: Hoare triple {1344#(= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {1344#(= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1)} is VALID [2022-02-20 23:46:32,582 INFO L290 TraceCheckUtils]: 5: Hoare triple {1344#(= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {1345#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:32,582 INFO L290 TraceCheckUtils]: 6: Hoare triple {1345#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !(1 == #valid[main_~n~0#1.base]); {1343#false} is VALID [2022-02-20 23:46:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:32,582 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:32,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241956326] [2022-02-20 23:46:32,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241956326] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:32,583 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:32,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:32,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635243667] [2022-02-20 23:46:32,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:32,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 23:46:32,584 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:32,584 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,588 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 23:46:32,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:46:32,589 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:32,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:46:32,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:46:32,589 INFO L87 Difference]: Start difference. First operand 117 states and 130 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,832 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2022-02-20 23:46:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:46:32,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 23:46:32,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 188 transitions. [2022-02-20 23:46:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 188 transitions. [2022-02-20 23:46:32,836 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 188 transitions. [2022-02-20 23:46:32,977 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 188 edges. 188 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:32,979 INFO L225 Difference]: With dead ends: 146 [2022-02-20 23:46:32,979 INFO L226 Difference]: Without dead ends: 146 [2022-02-20 23:46:32,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:46:32,980 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 233 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:32,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 75 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:32,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-02-20 23:46:32,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 104. [2022-02-20 23:46:32,984 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:32,984 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand has 104 states, 68 states have (on average 1.7647058823529411) internal successors, (120), 103 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,985 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand has 104 states, 68 states have (on average 1.7647058823529411) internal successors, (120), 103 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,985 INFO L87 Difference]: Start difference. First operand 146 states. Second operand has 104 states, 68 states have (on average 1.7647058823529411) internal successors, (120), 103 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,989 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2022-02-20 23:46:32,989 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 165 transitions. [2022-02-20 23:46:32,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:32,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:32,990 INFO L74 IsIncluded]: Start isIncluded. First operand has 104 states, 68 states have (on average 1.7647058823529411) internal successors, (120), 103 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 146 states. [2022-02-20 23:46:32,990 INFO L87 Difference]: Start difference. First operand has 104 states, 68 states have (on average 1.7647058823529411) internal successors, (120), 103 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 146 states. [2022-02-20 23:46:32,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:32,995 INFO L93 Difference]: Finished difference Result 146 states and 165 transitions. [2022-02-20 23:46:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 165 transitions. [2022-02-20 23:46:32,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:32,995 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:32,995 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:32,996 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 68 states have (on average 1.7647058823529411) internal successors, (120), 103 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2022-02-20 23:46:32,999 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 7 [2022-02-20 23:46:32,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:32,999 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2022-02-20 23:46:32,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2022-02-20 23:46:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-02-20 23:46:33,000 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:33,000 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:33,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:46:33,000 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:33,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:33,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1803031022, now seen corresponding path program 1 times [2022-02-20 23:46:33,001 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:33,001 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078681951] [2022-02-20 23:46:33,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:33,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:33,049 INFO L290 TraceCheckUtils]: 0: Hoare triple {1892#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(13, 2); {1892#true} is VALID [2022-02-20 23:46:33,050 INFO L290 TraceCheckUtils]: 1: Hoare triple {1892#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {1894#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,050 INFO L290 TraceCheckUtils]: 2: Hoare triple {1894#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {1894#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,051 INFO L290 TraceCheckUtils]: 3: Hoare triple {1894#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {1894#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,051 INFO L290 TraceCheckUtils]: 4: Hoare triple {1894#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {1894#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,052 INFO L290 TraceCheckUtils]: 5: Hoare triple {1894#(and (<= 8 (select |#length| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {1895#(and (<= 8 (select |#length| |ULTIMATE.start_main_~n~0#1.base|)) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:33,053 INFO L290 TraceCheckUtils]: 6: Hoare triple {1895#(and (<= 8 (select |#length| |ULTIMATE.start_main_~n~0#1.base|)) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} assume !(4 + main_~n~0#1.offset <= #length[main_~n~0#1.base] && 0 <= main_~n~0#1.offset); {1893#false} is VALID [2022-02-20 23:46:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:33,053 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:33,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078681951] [2022-02-20 23:46:33,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078681951] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:33,053 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:33,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:33,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722260467] [2022-02-20 23:46:33,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:33,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 23:46:33,055 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:33,055 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,060 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 23:46:33,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:46:33,060 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:33,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:46:33,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:46:33,061 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:33,491 INFO L93 Difference]: Finished difference Result 227 states and 259 transitions. [2022-02-20 23:46:33,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:46:33,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-02-20 23:46:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 275 transitions. [2022-02-20 23:46:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 275 transitions. [2022-02-20 23:46:33,496 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 275 transitions. [2022-02-20 23:46:33,714 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 275 edges. 275 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:33,716 INFO L225 Difference]: With dead ends: 227 [2022-02-20 23:46:33,716 INFO L226 Difference]: Without dead ends: 227 [2022-02-20 23:46:33,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:46:33,717 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 267 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:33,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 124 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-02-20 23:46:33,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 172. [2022-02-20 23:46:33,722 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:33,722 INFO L82 GeneralOperation]: Start isEquivalent. First operand 227 states. Second operand has 172 states, 136 states have (on average 1.6985294117647058) internal successors, (231), 171 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,722 INFO L74 IsIncluded]: Start isIncluded. First operand 227 states. Second operand has 172 states, 136 states have (on average 1.6985294117647058) internal successors, (231), 171 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,723 INFO L87 Difference]: Start difference. First operand 227 states. Second operand has 172 states, 136 states have (on average 1.6985294117647058) internal successors, (231), 171 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:33,731 INFO L93 Difference]: Finished difference Result 227 states and 259 transitions. [2022-02-20 23:46:33,731 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2022-02-20 23:46:33,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:33,732 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:33,732 INFO L74 IsIncluded]: Start isIncluded. First operand has 172 states, 136 states have (on average 1.6985294117647058) internal successors, (231), 171 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 227 states. [2022-02-20 23:46:33,733 INFO L87 Difference]: Start difference. First operand has 172 states, 136 states have (on average 1.6985294117647058) internal successors, (231), 171 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 227 states. [2022-02-20 23:46:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:33,737 INFO L93 Difference]: Finished difference Result 227 states and 259 transitions. [2022-02-20 23:46:33,737 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2022-02-20 23:46:33,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:33,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:33,738 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:33,738 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:33,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 136 states have (on average 1.6985294117647058) internal successors, (231), 171 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 231 transitions. [2022-02-20 23:46:33,741 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 231 transitions. Word has length 7 [2022-02-20 23:46:33,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:33,742 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 231 transitions. [2022-02-20 23:46:33,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,742 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 231 transitions. [2022-02-20 23:46:33,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-20 23:46:33,742 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:33,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:33,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:46:33,743 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:33,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:33,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1237592114, now seen corresponding path program 1 times [2022-02-20 23:46:33,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:33,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006539094] [2022-02-20 23:46:33,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:33,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:33,774 INFO L290 TraceCheckUtils]: 0: Hoare triple {2753#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(13, 2); {2753#true} is VALID [2022-02-20 23:46:33,775 INFO L290 TraceCheckUtils]: 1: Hoare triple {2753#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} is VALID [2022-02-20 23:46:33,775 INFO L290 TraceCheckUtils]: 2: Hoare triple {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} is VALID [2022-02-20 23:46:33,776 INFO L290 TraceCheckUtils]: 3: Hoare triple {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} is VALID [2022-02-20 23:46:33,776 INFO L290 TraceCheckUtils]: 4: Hoare triple {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} is VALID [2022-02-20 23:46:33,776 INFO L290 TraceCheckUtils]: 5: Hoare triple {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} is VALID [2022-02-20 23:46:33,777 INFO L290 TraceCheckUtils]: 6: Hoare triple {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} is VALID [2022-02-20 23:46:33,777 INFO L290 TraceCheckUtils]: 7: Hoare triple {2755#(not (= |ULTIMATE.start_main_~root~0#1.base| 0))} assume !(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0); {2754#false} is VALID [2022-02-20 23:46:33,777 INFO L290 TraceCheckUtils]: 8: Hoare triple {2754#false} main_#res#1 := 0; {2754#false} is VALID [2022-02-20 23:46:33,777 INFO L290 TraceCheckUtils]: 9: Hoare triple {2754#false} assume !(#valid == main_old_#valid#1); {2754#false} is VALID [2022-02-20 23:46:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:33,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:33,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006539094] [2022-02-20 23:46:33,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006539094] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:33,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:33,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:33,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593423358] [2022-02-20 23:46:33,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:33,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-20 23:46:33,779 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:33,779 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,785 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:33,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:46:33,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:33,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:46:33,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:33,786 INFO L87 Difference]: Start difference. First operand 172 states and 231 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:33,878 INFO L93 Difference]: Finished difference Result 186 states and 229 transitions. [2022-02-20 23:46:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:33,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-20 23:46:33,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2022-02-20 23:46:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 155 transitions. [2022-02-20 23:46:33,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 155 transitions. [2022-02-20 23:46:33,981 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 155 edges. 155 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:33,983 INFO L225 Difference]: With dead ends: 186 [2022-02-20 23:46:33,983 INFO L226 Difference]: Without dead ends: 186 [2022-02-20 23:46:33,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:33,984 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 103 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:33,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 156 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:33,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-02-20 23:46:33,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 172. [2022-02-20 23:46:33,988 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:33,989 INFO L82 GeneralOperation]: Start isEquivalent. First operand 186 states. Second operand has 172 states, 136 states have (on average 1.6838235294117647) internal successors, (229), 171 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,989 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand has 172 states, 136 states have (on average 1.6838235294117647) internal successors, (229), 171 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,989 INFO L87 Difference]: Start difference. First operand 186 states. Second operand has 172 states, 136 states have (on average 1.6838235294117647) internal successors, (229), 171 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:33,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:33,992 INFO L93 Difference]: Finished difference Result 186 states and 229 transitions. [2022-02-20 23:46:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 229 transitions. [2022-02-20 23:46:33,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:33,993 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:33,993 INFO L74 IsIncluded]: Start isIncluded. First operand has 172 states, 136 states have (on average 1.6838235294117647) internal successors, (229), 171 states have internal predecessors, (229), 0 states have call successors, (0), 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 186 states. [2022-02-20 23:46:33,993 INFO L87 Difference]: Start difference. First operand has 172 states, 136 states have (on average 1.6838235294117647) internal successors, (229), 171 states have internal predecessors, (229), 0 states have call successors, (0), 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 186 states. [2022-02-20 23:46:33,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:33,996 INFO L93 Difference]: Finished difference Result 186 states and 229 transitions. [2022-02-20 23:46:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 229 transitions. [2022-02-20 23:46:33,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:33,997 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:33,997 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:33,997 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 136 states have (on average 1.6838235294117647) internal successors, (229), 171 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 229 transitions. [2022-02-20 23:46:34,000 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 229 transitions. Word has length 10 [2022-02-20 23:46:34,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:34,000 INFO L470 AbstractCegarLoop]: Abstraction has 172 states and 229 transitions. [2022-02-20 23:46:34,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 229 transitions. [2022-02-20 23:46:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 23:46:34,001 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:34,001 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:34,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:46:34,001 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:34,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:34,002 INFO L85 PathProgramCache]: Analyzing trace with hash -288934911, now seen corresponding path program 1 times [2022-02-20 23:46:34,002 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:34,002 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665296153] [2022-02-20 23:46:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:34,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:34,027 INFO L290 TraceCheckUtils]: 0: Hoare triple {3488#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(13, 2); {3488#true} is VALID [2022-02-20 23:46:34,028 INFO L290 TraceCheckUtils]: 1: Hoare triple {3488#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {3488#true} is VALID [2022-02-20 23:46:34,028 INFO L290 TraceCheckUtils]: 2: Hoare triple {3488#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {3488#true} is VALID [2022-02-20 23:46:34,028 INFO L290 TraceCheckUtils]: 3: Hoare triple {3488#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {3488#true} is VALID [2022-02-20 23:46:34,028 INFO L290 TraceCheckUtils]: 4: Hoare triple {3488#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {3488#true} is VALID [2022-02-20 23:46:34,028 INFO L290 TraceCheckUtils]: 5: Hoare triple {3488#true} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {3488#true} is VALID [2022-02-20 23:46:34,029 INFO L290 TraceCheckUtils]: 6: Hoare triple {3488#true} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {3488#true} is VALID [2022-02-20 23:46:34,029 INFO L290 TraceCheckUtils]: 7: Hoare triple {3488#true} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {3488#true} is VALID [2022-02-20 23:46:34,029 INFO L290 TraceCheckUtils]: 8: Hoare triple {3488#true} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {3488#true} is VALID [2022-02-20 23:46:34,029 INFO L290 TraceCheckUtils]: 9: Hoare triple {3488#true} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {3488#true} is VALID [2022-02-20 23:46:34,030 INFO L290 TraceCheckUtils]: 10: Hoare triple {3488#true} assume main_#t~short25#1; {3490#|ULTIMATE.start_main_#t~short25#1|} is VALID [2022-02-20 23:46:34,030 INFO L290 TraceCheckUtils]: 11: Hoare triple {3490#|ULTIMATE.start_main_#t~short25#1|} assume !main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1; {3489#false} is VALID [2022-02-20 23:46:34,030 INFO L290 TraceCheckUtils]: 12: Hoare triple {3489#false} assume main_~pred~0#1.base != 0 || main_~pred~0#1.offset != 0; {3489#false} is VALID [2022-02-20 23:46:34,030 INFO L290 TraceCheckUtils]: 13: Hoare triple {3489#false} assume !(1 == #valid[main_~pred~0#1.base]); {3489#false} is VALID [2022-02-20 23:46:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:34,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:34,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665296153] [2022-02-20 23:46:34,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665296153] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:34,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:34,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:34,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001482771] [2022-02-20 23:46:34,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:34,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-02-20 23:46:34,032 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:34,032 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,045 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:34,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:46:34,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:46:34,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:34,047 INFO L87 Difference]: Start difference. First operand 172 states and 229 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:34,133 INFO L93 Difference]: Finished difference Result 175 states and 232 transitions. [2022-02-20 23:46:34,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:34,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-02-20 23:46:34,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2022-02-20 23:46:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2022-02-20 23:46:34,135 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 116 transitions. [2022-02-20 23:46:34,204 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:34,206 INFO L225 Difference]: With dead ends: 175 [2022-02-20 23:46:34,206 INFO L226 Difference]: Without dead ends: 175 [2022-02-20 23:46:34,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:34,213 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:34,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:34,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-02-20 23:46:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2022-02-20 23:46:34,228 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:34,228 INFO L82 GeneralOperation]: Start isEquivalent. First operand 175 states. Second operand has 175 states, 139 states have (on average 1.669064748201439) internal successors, (232), 174 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,229 INFO L74 IsIncluded]: Start isIncluded. First operand 175 states. Second operand has 175 states, 139 states have (on average 1.669064748201439) internal successors, (232), 174 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,229 INFO L87 Difference]: Start difference. First operand 175 states. Second operand has 175 states, 139 states have (on average 1.669064748201439) internal successors, (232), 174 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:34,232 INFO L93 Difference]: Finished difference Result 175 states and 232 transitions. [2022-02-20 23:46:34,232 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2022-02-20 23:46:34,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:34,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:34,233 INFO L74 IsIncluded]: Start isIncluded. First operand has 175 states, 139 states have (on average 1.669064748201439) internal successors, (232), 174 states have internal predecessors, (232), 0 states have call successors, (0), 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 175 states. [2022-02-20 23:46:34,233 INFO L87 Difference]: Start difference. First operand has 175 states, 139 states have (on average 1.669064748201439) internal successors, (232), 174 states have internal predecessors, (232), 0 states have call successors, (0), 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 175 states. [2022-02-20 23:46:34,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:34,236 INFO L93 Difference]: Finished difference Result 175 states and 232 transitions. [2022-02-20 23:46:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2022-02-20 23:46:34,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:34,236 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:34,236 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:34,236 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 139 states have (on average 1.669064748201439) internal successors, (232), 174 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2022-02-20 23:46:34,239 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 14 [2022-02-20 23:46:34,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:34,240 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2022-02-20 23:46:34,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2022-02-20 23:46:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-02-20 23:46:34,240 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:34,240 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:34,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 23:46:34,241 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:34,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:34,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1836248265, now seen corresponding path program 1 times [2022-02-20 23:46:34,241 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:34,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955388214] [2022-02-20 23:46:34,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:34,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:34,276 INFO L290 TraceCheckUtils]: 0: Hoare triple {4193#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(13, 2); {4193#true} is VALID [2022-02-20 23:46:34,276 INFO L290 TraceCheckUtils]: 1: Hoare triple {4193#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {4193#true} is VALID [2022-02-20 23:46:34,277 INFO L290 TraceCheckUtils]: 2: Hoare triple {4193#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {4193#true} is VALID [2022-02-20 23:46:34,277 INFO L290 TraceCheckUtils]: 3: Hoare triple {4193#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {4193#true} is VALID [2022-02-20 23:46:34,277 INFO L290 TraceCheckUtils]: 4: Hoare triple {4193#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4193#true} is VALID [2022-02-20 23:46:34,277 INFO L290 TraceCheckUtils]: 5: Hoare triple {4193#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {4193#true} is VALID [2022-02-20 23:46:34,277 INFO L290 TraceCheckUtils]: 6: Hoare triple {4193#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {4193#true} is VALID [2022-02-20 23:46:34,277 INFO L290 TraceCheckUtils]: 7: Hoare triple {4193#true} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {4193#true} is VALID [2022-02-20 23:46:34,278 INFO L290 TraceCheckUtils]: 8: Hoare triple {4193#true} assume !main_#t~short7#1; {4195#(not |ULTIMATE.start_main_#t~short7#1|)} is VALID [2022-02-20 23:46:34,278 INFO L290 TraceCheckUtils]: 9: Hoare triple {4195#(not |ULTIMATE.start_main_#t~short7#1|)} assume !!main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647; {4194#false} is VALID [2022-02-20 23:46:34,278 INFO L290 TraceCheckUtils]: 10: Hoare triple {4194#false} assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1; {4194#false} is VALID [2022-02-20 23:46:34,279 INFO L290 TraceCheckUtils]: 11: Hoare triple {4194#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L538 {4194#false} is VALID [2022-02-20 23:46:34,279 INFO L290 TraceCheckUtils]: 12: Hoare triple {4194#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {4194#false} is VALID [2022-02-20 23:46:34,279 INFO L290 TraceCheckUtils]: 13: Hoare triple {4194#false} assume !(1 == #valid[main_~n~0#1.base]); {4194#false} is VALID [2022-02-20 23:46:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:34,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:34,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955388214] [2022-02-20 23:46:34,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955388214] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:34,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:34,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:34,280 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867299466] [2022-02-20 23:46:34,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:34,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-02-20 23:46:34,280 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:34,281 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,288 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:34,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:46:34,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:34,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:46:34,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:34,289 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:34,375 INFO L93 Difference]: Finished difference Result 177 states and 234 transitions. [2022-02-20 23:46:34,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:34,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-02-20 23:46:34,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2022-02-20 23:46:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2022-02-20 23:46:34,378 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 116 transitions. [2022-02-20 23:46:34,444 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:34,446 INFO L225 Difference]: With dead ends: 177 [2022-02-20 23:46:34,446 INFO L226 Difference]: Without dead ends: 177 [2022-02-20 23:46:34,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:34,448 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:34,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:34,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-02-20 23:46:34,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2022-02-20 23:46:34,457 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:34,458 INFO L82 GeneralOperation]: Start isEquivalent. First operand 177 states. Second operand has 177 states, 141 states have (on average 1.6595744680851063) internal successors, (234), 176 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,458 INFO L74 IsIncluded]: Start isIncluded. First operand 177 states. Second operand has 177 states, 141 states have (on average 1.6595744680851063) internal successors, (234), 176 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,458 INFO L87 Difference]: Start difference. First operand 177 states. Second operand has 177 states, 141 states have (on average 1.6595744680851063) internal successors, (234), 176 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:34,461 INFO L93 Difference]: Finished difference Result 177 states and 234 transitions. [2022-02-20 23:46:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 234 transitions. [2022-02-20 23:46:34,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:34,461 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:34,461 INFO L74 IsIncluded]: Start isIncluded. First operand has 177 states, 141 states have (on average 1.6595744680851063) internal successors, (234), 176 states have internal predecessors, (234), 0 states have call successors, (0), 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 177 states. [2022-02-20 23:46:34,462 INFO L87 Difference]: Start difference. First operand has 177 states, 141 states have (on average 1.6595744680851063) internal successors, (234), 176 states have internal predecessors, (234), 0 states have call successors, (0), 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 177 states. [2022-02-20 23:46:34,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:34,464 INFO L93 Difference]: Finished difference Result 177 states and 234 transitions. [2022-02-20 23:46:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 234 transitions. [2022-02-20 23:46:34,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:34,464 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:34,464 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:34,465 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 141 states have (on average 1.6595744680851063) internal successors, (234), 176 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 234 transitions. [2022-02-20 23:46:34,467 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 234 transitions. Word has length 14 [2022-02-20 23:46:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:34,467 INFO L470 AbstractCegarLoop]: Abstraction has 177 states and 234 transitions. [2022-02-20 23:46:34,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 234 transitions. [2022-02-20 23:46:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:46:34,468 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:34,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:34,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:46:34,469 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:34,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:34,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1556334460, now seen corresponding path program 1 times [2022-02-20 23:46:34,470 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:34,470 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707010446] [2022-02-20 23:46:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:34,503 INFO L290 TraceCheckUtils]: 0: Hoare triple {4906#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(13, 2); {4906#true} is VALID [2022-02-20 23:46:34,503 INFO L290 TraceCheckUtils]: 1: Hoare triple {4906#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {4906#true} is VALID [2022-02-20 23:46:34,503 INFO L290 TraceCheckUtils]: 2: Hoare triple {4906#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {4906#true} is VALID [2022-02-20 23:46:34,504 INFO L290 TraceCheckUtils]: 3: Hoare triple {4906#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {4906#true} is VALID [2022-02-20 23:46:34,504 INFO L290 TraceCheckUtils]: 4: Hoare triple {4906#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {4906#true} is VALID [2022-02-20 23:46:34,504 INFO L290 TraceCheckUtils]: 5: Hoare triple {4906#true} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {4906#true} is VALID [2022-02-20 23:46:34,504 INFO L290 TraceCheckUtils]: 6: Hoare triple {4906#true} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {4906#true} is VALID [2022-02-20 23:46:34,504 INFO L290 TraceCheckUtils]: 7: Hoare triple {4906#true} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} is VALID [2022-02-20 23:46:34,505 INFO L290 TraceCheckUtils]: 8: Hoare triple {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} is VALID [2022-02-20 23:46:34,505 INFO L290 TraceCheckUtils]: 9: Hoare triple {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} is VALID [2022-02-20 23:46:34,506 INFO L290 TraceCheckUtils]: 10: Hoare triple {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} assume !main_#t~short25#1; {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} is VALID [2022-02-20 23:46:34,506 INFO L290 TraceCheckUtils]: 11: Hoare triple {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} is VALID [2022-02-20 23:46:34,507 INFO L290 TraceCheckUtils]: 12: Hoare triple {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} is VALID [2022-02-20 23:46:34,507 INFO L290 TraceCheckUtils]: 13: Hoare triple {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} assume !main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1; {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} is VALID [2022-02-20 23:46:34,507 INFO L290 TraceCheckUtils]: 14: Hoare triple {4908#(and (= |ULTIMATE.start_main_~pred~0#1.offset| 0) (= |ULTIMATE.start_main_~pred~0#1.base| 0))} assume main_~pred~0#1.base != 0 || main_~pred~0#1.offset != 0; {4907#false} is VALID [2022-02-20 23:46:34,508 INFO L290 TraceCheckUtils]: 15: Hoare triple {4907#false} assume !(1 == #valid[main_~pred~0#1.base]); {4907#false} is VALID [2022-02-20 23:46:34,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:34,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:34,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707010446] [2022-02-20 23:46:34,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707010446] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:34,508 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:34,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:34,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84089919] [2022-02-20 23:46:34,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:34,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:46:34,509 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:34,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,518 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:34,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:46:34,518 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:34,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:46:34,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:34,519 INFO L87 Difference]: Start difference. First operand 177 states and 234 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:34,608 INFO L93 Difference]: Finished difference Result 192 states and 243 transitions. [2022-02-20 23:46:34,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:34,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:46:34,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:34,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2022-02-20 23:46:34,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2022-02-20 23:46:34,618 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 136 transitions. [2022-02-20 23:46:34,692 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 136 edges. 136 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:34,694 INFO L225 Difference]: With dead ends: 192 [2022-02-20 23:46:34,694 INFO L226 Difference]: Without dead ends: 192 [2022-02-20 23:46:34,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:34,694 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 13 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:34,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 216 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:34,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-02-20 23:46:34,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 179. [2022-02-20 23:46:34,697 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:34,697 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states. Second operand has 179 states, 143 states have (on average 1.6293706293706294) internal successors, (233), 178 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,698 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states. Second operand has 179 states, 143 states have (on average 1.6293706293706294) internal successors, (233), 178 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,698 INFO L87 Difference]: Start difference. First operand 192 states. Second operand has 179 states, 143 states have (on average 1.6293706293706294) internal successors, (233), 178 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:34,700 INFO L93 Difference]: Finished difference Result 192 states and 243 transitions. [2022-02-20 23:46:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 243 transitions. [2022-02-20 23:46:34,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:34,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:34,701 INFO L74 IsIncluded]: Start isIncluded. First operand has 179 states, 143 states have (on average 1.6293706293706294) internal successors, (233), 178 states have internal predecessors, (233), 0 states have call successors, (0), 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 192 states. [2022-02-20 23:46:34,701 INFO L87 Difference]: Start difference. First operand has 179 states, 143 states have (on average 1.6293706293706294) internal successors, (233), 178 states have internal predecessors, (233), 0 states have call successors, (0), 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 192 states. [2022-02-20 23:46:34,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:34,704 INFO L93 Difference]: Finished difference Result 192 states and 243 transitions. [2022-02-20 23:46:34,704 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 243 transitions. [2022-02-20 23:46:34,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:34,704 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:34,704 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:34,704 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:34,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 143 states have (on average 1.6293706293706294) internal successors, (233), 178 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2022-02-20 23:46:34,707 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 16 [2022-02-20 23:46:34,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:34,707 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2022-02-20 23:46:34,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2022-02-20 23:46:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-20 23:46:34,707 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:34,708 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:34,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 23:46:34,708 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:34,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1356387674, now seen corresponding path program 1 times [2022-02-20 23:46:34,708 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:34,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644966401] [2022-02-20 23:46:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:34,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:34,779 INFO L290 TraceCheckUtils]: 0: Hoare triple {5666#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(13, 2); {5666#true} is VALID [2022-02-20 23:46:34,779 INFO L290 TraceCheckUtils]: 1: Hoare triple {5666#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {5666#true} is VALID [2022-02-20 23:46:34,780 INFO L290 TraceCheckUtils]: 2: Hoare triple {5666#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {5668#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:34,781 INFO L290 TraceCheckUtils]: 3: Hoare triple {5668#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {5668#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:34,781 INFO L290 TraceCheckUtils]: 4: Hoare triple {5668#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {5668#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:34,781 INFO L290 TraceCheckUtils]: 5: Hoare triple {5668#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {5669#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:34,782 INFO L290 TraceCheckUtils]: 6: Hoare triple {5669#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {5670#(and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0))} is VALID [2022-02-20 23:46:34,782 INFO L290 TraceCheckUtils]: 7: Hoare triple {5670#(and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {5671#(not |ULTIMATE.start_main_#t~short7#1|)} is VALID [2022-02-20 23:46:34,783 INFO L290 TraceCheckUtils]: 8: Hoare triple {5671#(not |ULTIMATE.start_main_#t~short7#1|)} assume main_#t~short7#1; {5667#false} is VALID [2022-02-20 23:46:34,783 INFO L290 TraceCheckUtils]: 9: Hoare triple {5667#false} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L534-3 {5667#false} is VALID [2022-02-20 23:46:34,783 INFO L290 TraceCheckUtils]: 10: Hoare triple {5667#false} main_#t~short7#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {5667#false} is VALID [2022-02-20 23:46:34,783 INFO L290 TraceCheckUtils]: 11: Hoare triple {5667#false} assume !!main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647; {5667#false} is VALID [2022-02-20 23:46:34,783 INFO L290 TraceCheckUtils]: 12: Hoare triple {5667#false} assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1; {5667#false} is VALID [2022-02-20 23:46:34,783 INFO L290 TraceCheckUtils]: 13: Hoare triple {5667#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L538 {5667#false} is VALID [2022-02-20 23:46:34,784 INFO L290 TraceCheckUtils]: 14: Hoare triple {5667#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {5667#false} is VALID [2022-02-20 23:46:34,784 INFO L290 TraceCheckUtils]: 15: Hoare triple {5667#false} assume !(1 == #valid[main_~n~0#1.base]); {5667#false} is VALID [2022-02-20 23:46:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:34,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:34,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644966401] [2022-02-20 23:46:34,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644966401] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:34,784 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:34,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:46:34,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994332593] [2022-02-20 23:46:34,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:34,786 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:46:34,786 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:34,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:34,794 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:34,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:46:34,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:34,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:46:34,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:46:34,795 INFO L87 Difference]: Start difference. First operand 179 states and 233 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:35,292 INFO L93 Difference]: Finished difference Result 274 states and 343 transitions. [2022-02-20 23:46:35,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:46:35,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 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 23:46:35,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 222 transitions. [2022-02-20 23:46:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 222 transitions. [2022-02-20 23:46:35,295 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 222 transitions. [2022-02-20 23:46:35,435 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:35,439 INFO L225 Difference]: With dead ends: 274 [2022-02-20 23:46:35,439 INFO L226 Difference]: Without dead ends: 274 [2022-02-20 23:46:35,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:46:35,439 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 123 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:35,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 413 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-02-20 23:46:35,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 193. [2022-02-20 23:46:35,442 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:35,442 INFO L82 GeneralOperation]: Start isEquivalent. First operand 274 states. Second operand has 193 states, 157 states have (on average 1.605095541401274) internal successors, (252), 192 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,443 INFO L74 IsIncluded]: Start isIncluded. First operand 274 states. Second operand has 193 states, 157 states have (on average 1.605095541401274) internal successors, (252), 192 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,443 INFO L87 Difference]: Start difference. First operand 274 states. Second operand has 193 states, 157 states have (on average 1.605095541401274) internal successors, (252), 192 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:35,447 INFO L93 Difference]: Finished difference Result 274 states and 343 transitions. [2022-02-20 23:46:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 343 transitions. [2022-02-20 23:46:35,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:35,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:35,447 INFO L74 IsIncluded]: Start isIncluded. First operand has 193 states, 157 states have (on average 1.605095541401274) internal successors, (252), 192 states have internal predecessors, (252), 0 states have call successors, (0), 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 274 states. [2022-02-20 23:46:35,448 INFO L87 Difference]: Start difference. First operand has 193 states, 157 states have (on average 1.605095541401274) internal successors, (252), 192 states have internal predecessors, (252), 0 states have call successors, (0), 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 274 states. [2022-02-20 23:46:35,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:35,451 INFO L93 Difference]: Finished difference Result 274 states and 343 transitions. [2022-02-20 23:46:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 343 transitions. [2022-02-20 23:46:35,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:35,452 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:35,452 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:35,452 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 157 states have (on average 1.605095541401274) internal successors, (252), 192 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 252 transitions. [2022-02-20 23:46:35,455 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 252 transitions. Word has length 16 [2022-02-20 23:46:35,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:35,455 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 252 transitions. [2022-02-20 23:46:35,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 252 transitions. [2022-02-20 23:46:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 23:46:35,455 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:35,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:35,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:46:35,456 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:35,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:35,456 INFO L85 PathProgramCache]: Analyzing trace with hash -508929720, now seen corresponding path program 1 times [2022-02-20 23:46:35,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:35,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549331046] [2022-02-20 23:46:35,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:35,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:35,544 INFO L290 TraceCheckUtils]: 0: Hoare triple {6695#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(13, 2); {6695#true} is VALID [2022-02-20 23:46:35,544 INFO L290 TraceCheckUtils]: 1: Hoare triple {6695#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {6695#true} is VALID [2022-02-20 23:46:35,545 INFO L290 TraceCheckUtils]: 2: Hoare triple {6695#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:35,546 INFO L290 TraceCheckUtils]: 3: Hoare triple {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:35,547 INFO L290 TraceCheckUtils]: 4: Hoare triple {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:35,547 INFO L290 TraceCheckUtils]: 5: Hoare triple {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:35,547 INFO L290 TraceCheckUtils]: 6: Hoare triple {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:35,548 INFO L290 TraceCheckUtils]: 7: Hoare triple {6697#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {6698#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:35,549 INFO L290 TraceCheckUtils]: 8: Hoare triple {6698#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {6699#(and (= |ULTIMATE.start_main_#t~mem23#1.offset| 0) (= |ULTIMATE.start_main_#t~mem23#1.base| 0))} is VALID [2022-02-20 23:46:35,549 INFO L290 TraceCheckUtils]: 9: Hoare triple {6699#(and (= |ULTIMATE.start_main_#t~mem23#1.offset| 0) (= |ULTIMATE.start_main_#t~mem23#1.base| 0))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {6700#(not |ULTIMATE.start_main_#t~short25#1|)} is VALID [2022-02-20 23:46:35,549 INFO L290 TraceCheckUtils]: 10: Hoare triple {6700#(not |ULTIMATE.start_main_#t~short25#1|)} assume main_#t~short25#1; {6696#false} is VALID [2022-02-20 23:46:35,550 INFO L290 TraceCheckUtils]: 11: Hoare triple {6696#false} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {6696#false} is VALID [2022-02-20 23:46:35,550 INFO L290 TraceCheckUtils]: 12: Hoare triple {6696#false} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {6696#false} is VALID [2022-02-20 23:46:35,550 INFO L290 TraceCheckUtils]: 13: Hoare triple {6696#false} assume main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {6696#false} is VALID [2022-02-20 23:46:35,550 INFO L290 TraceCheckUtils]: 14: Hoare triple {6696#false} SUMMARY for call main_#t~mem27#1.base, main_#t~mem27#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L559 {6696#false} is VALID [2022-02-20 23:46:35,550 INFO L290 TraceCheckUtils]: 15: Hoare triple {6696#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem27#1.base, main_#t~mem27#1.offset;havoc main_#t~mem27#1.base, main_#t~mem27#1.offset; {6696#false} is VALID [2022-02-20 23:46:35,551 INFO L290 TraceCheckUtils]: 16: Hoare triple {6696#false} assume !(1 == #valid[main_~n~0#1.base]); {6696#false} is VALID [2022-02-20 23:46:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:35,551 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:35,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549331046] [2022-02-20 23:46:35,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549331046] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:35,551 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:35,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:46:35,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139915470] [2022-02-20 23:46:35,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:35,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 23:46:35,552 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:35,552 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:35,564 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:35,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:46:35,564 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:35,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:46:35,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:46:35,565 INFO L87 Difference]: Start difference. First operand 193 states and 252 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:36,065 INFO L93 Difference]: Finished difference Result 273 states and 341 transitions. [2022-02-20 23:46:36,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:46:36,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 23:46:36,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 220 transitions. [2022-02-20 23:46:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 220 transitions. [2022-02-20 23:46:36,068 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 220 transitions. [2022-02-20 23:46:36,204 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 220 edges. 220 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:36,207 INFO L225 Difference]: With dead ends: 273 [2022-02-20 23:46:36,207 INFO L226 Difference]: Without dead ends: 273 [2022-02-20 23:46:36,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-02-20 23:46:36,208 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 126 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:36,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 417 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:36,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-02-20 23:46:36,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 228. [2022-02-20 23:46:36,211 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:36,211 INFO L82 GeneralOperation]: Start isEquivalent. First operand 273 states. Second operand has 228 states, 192 states have (on average 1.609375) internal successors, (309), 227 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,211 INFO L74 IsIncluded]: Start isIncluded. First operand 273 states. Second operand has 228 states, 192 states have (on average 1.609375) internal successors, (309), 227 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,211 INFO L87 Difference]: Start difference. First operand 273 states. Second operand has 228 states, 192 states have (on average 1.609375) internal successors, (309), 227 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:36,215 INFO L93 Difference]: Finished difference Result 273 states and 341 transitions. [2022-02-20 23:46:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 341 transitions. [2022-02-20 23:46:36,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:36,215 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:36,215 INFO L74 IsIncluded]: Start isIncluded. First operand has 228 states, 192 states have (on average 1.609375) internal successors, (309), 227 states have internal predecessors, (309), 0 states have call successors, (0), 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 273 states. [2022-02-20 23:46:36,216 INFO L87 Difference]: Start difference. First operand has 228 states, 192 states have (on average 1.609375) internal successors, (309), 227 states have internal predecessors, (309), 0 states have call successors, (0), 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 273 states. [2022-02-20 23:46:36,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:36,219 INFO L93 Difference]: Finished difference Result 273 states and 341 transitions. [2022-02-20 23:46:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 341 transitions. [2022-02-20 23:46:36,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:36,220 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:36,220 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:36,220 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 192 states have (on average 1.609375) internal successors, (309), 227 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 309 transitions. [2022-02-20 23:46:36,223 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 309 transitions. Word has length 17 [2022-02-20 23:46:36,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:36,223 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 309 transitions. [2022-02-20 23:46:36,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 309 transitions. [2022-02-20 23:46:36,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 23:46:36,224 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:36,224 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:36,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 23:46:36,224 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:36,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:36,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1001745105, now seen corresponding path program 1 times [2022-02-20 23:46:36,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:36,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711990461] [2022-02-20 23:46:36,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:36,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:36,288 INFO L290 TraceCheckUtils]: 0: Hoare triple {7758#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(13, 2); {7758#true} is VALID [2022-02-20 23:46:36,288 INFO L290 TraceCheckUtils]: 1: Hoare triple {7758#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,289 INFO L290 TraceCheckUtils]: 2: Hoare triple {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,289 INFO L290 TraceCheckUtils]: 3: Hoare triple {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,290 INFO L290 TraceCheckUtils]: 4: Hoare triple {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,291 INFO L290 TraceCheckUtils]: 5: Hoare triple {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,291 INFO L290 TraceCheckUtils]: 6: Hoare triple {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,292 INFO L290 TraceCheckUtils]: 7: Hoare triple {7760#(<= (+ |ULTIMATE.start_main_~root~0#1.base| 1) |#StackHeapBarrier|)} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,293 INFO L290 TraceCheckUtils]: 8: Hoare triple {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,299 INFO L290 TraceCheckUtils]: 9: Hoare triple {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,300 INFO L290 TraceCheckUtils]: 10: Hoare triple {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short25#1; {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,300 INFO L290 TraceCheckUtils]: 11: Hoare triple {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,301 INFO L290 TraceCheckUtils]: 12: Hoare triple {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,301 INFO L290 TraceCheckUtils]: 13: Hoare triple {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} assume !main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1; {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,301 INFO L290 TraceCheckUtils]: 14: Hoare triple {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~pred~0#1.base != 0 || main_~pred~0#1.offset != 0);main_~root~0#1.base, main_~root~0#1.offset := 0, 0; {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,302 INFO L290 TraceCheckUtils]: 15: Hoare triple {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} assume 0 == main_~n~0#1.offset; {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} is VALID [2022-02-20 23:46:36,302 INFO L290 TraceCheckUtils]: 16: Hoare triple {7761#(<= (+ |ULTIMATE.start_main_~n~0#1.base| 1) |#StackHeapBarrier|)} assume !(main_~n~0#1.base < #StackHeapBarrier); {7759#false} is VALID [2022-02-20 23:46:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:36,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:36,305 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711990461] [2022-02-20 23:46:36,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711990461] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:36,305 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:36,305 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:36,305 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916470621] [2022-02-20 23:46:36,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:36,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 23:46:36,306 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:36,306 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,316 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:36,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:46:36,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:36,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:46:36,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 23:46:36,317 INFO L87 Difference]: Start difference. First operand 228 states and 309 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:36,546 INFO L93 Difference]: Finished difference Result 266 states and 328 transitions. [2022-02-20 23:46:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 23:46:36,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 23:46:36,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 229 transitions. [2022-02-20 23:46:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 229 transitions. [2022-02-20 23:46:36,548 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 229 transitions. [2022-02-20 23:46:36,700 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 229 edges. 229 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:36,703 INFO L225 Difference]: With dead ends: 266 [2022-02-20 23:46:36,703 INFO L226 Difference]: Without dead ends: 266 [2022-02-20 23:46:36,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:46:36,704 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 230 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:36,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 190 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:36,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-02-20 23:46:36,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 229. [2022-02-20 23:46:36,707 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:36,707 INFO L82 GeneralOperation]: Start isEquivalent. First operand 266 states. Second operand has 229 states, 193 states have (on average 1.6062176165803108) internal successors, (310), 228 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,707 INFO L74 IsIncluded]: Start isIncluded. First operand 266 states. Second operand has 229 states, 193 states have (on average 1.6062176165803108) internal successors, (310), 228 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,708 INFO L87 Difference]: Start difference. First operand 266 states. Second operand has 229 states, 193 states have (on average 1.6062176165803108) internal successors, (310), 228 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:36,711 INFO L93 Difference]: Finished difference Result 266 states and 328 transitions. [2022-02-20 23:46:36,711 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 328 transitions. [2022-02-20 23:46:36,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:36,712 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:36,712 INFO L74 IsIncluded]: Start isIncluded. First operand has 229 states, 193 states have (on average 1.6062176165803108) internal successors, (310), 228 states have internal predecessors, (310), 0 states have call successors, (0), 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 266 states. [2022-02-20 23:46:36,712 INFO L87 Difference]: Start difference. First operand has 229 states, 193 states have (on average 1.6062176165803108) internal successors, (310), 228 states have internal predecessors, (310), 0 states have call successors, (0), 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 266 states. [2022-02-20 23:46:36,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:36,716 INFO L93 Difference]: Finished difference Result 266 states and 328 transitions. [2022-02-20 23:46:36,716 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 328 transitions. [2022-02-20 23:46:36,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:36,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:36,716 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:36,716 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 193 states have (on average 1.6062176165803108) internal successors, (310), 228 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 310 transitions. [2022-02-20 23:46:36,719 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 310 transitions. Word has length 17 [2022-02-20 23:46:36,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:36,720 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 310 transitions. [2022-02-20 23:46:36,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 310 transitions. [2022-02-20 23:46:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 23:46:36,720 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:36,720 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 23:46:36,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:46:36,721 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1821793954, now seen corresponding path program 1 times [2022-02-20 23:46:36,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:36,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228831269] [2022-02-20 23:46:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:36,760 INFO L290 TraceCheckUtils]: 0: Hoare triple {8793#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(13, 2); {8793#true} is VALID [2022-02-20 23:46:36,760 INFO L290 TraceCheckUtils]: 1: Hoare triple {8793#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {8793#true} is VALID [2022-02-20 23:46:36,760 INFO L290 TraceCheckUtils]: 2: Hoare triple {8793#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {8793#true} is VALID [2022-02-20 23:46:36,760 INFO L290 TraceCheckUtils]: 3: Hoare triple {8793#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {8793#true} is VALID [2022-02-20 23:46:36,761 INFO L290 TraceCheckUtils]: 4: Hoare triple {8793#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {8793#true} is VALID [2022-02-20 23:46:36,761 INFO L290 TraceCheckUtils]: 5: Hoare triple {8793#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {8793#true} is VALID [2022-02-20 23:46:36,761 INFO L290 TraceCheckUtils]: 6: Hoare triple {8793#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {8793#true} is VALID [2022-02-20 23:46:36,761 INFO L290 TraceCheckUtils]: 7: Hoare triple {8793#true} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {8793#true} is VALID [2022-02-20 23:46:36,761 INFO L290 TraceCheckUtils]: 8: Hoare triple {8793#true} assume !main_#t~short7#1; {8793#true} is VALID [2022-02-20 23:46:36,761 INFO L290 TraceCheckUtils]: 9: Hoare triple {8793#true} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {8793#true} is VALID [2022-02-20 23:46:36,761 INFO L290 TraceCheckUtils]: 10: Hoare triple {8793#true} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {8793#true} is VALID [2022-02-20 23:46:36,762 INFO L290 TraceCheckUtils]: 11: Hoare triple {8793#true} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {8793#true} is VALID [2022-02-20 23:46:36,762 INFO L290 TraceCheckUtils]: 12: Hoare triple {8793#true} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {8793#true} is VALID [2022-02-20 23:46:36,762 INFO L290 TraceCheckUtils]: 13: Hoare triple {8793#true} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {8795#(= (select |#valid| |ULTIMATE.start_main_#t~malloc14#1.base|) 1)} is VALID [2022-02-20 23:46:36,763 INFO L290 TraceCheckUtils]: 14: Hoare triple {8795#(= (select |#valid| |ULTIMATE.start_main_#t~malloc14#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {8796#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:36,763 INFO L290 TraceCheckUtils]: 15: Hoare triple {8796#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {8796#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:36,764 INFO L290 TraceCheckUtils]: 16: Hoare triple {8796#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {8797#(= (select |#valid| |ULTIMATE.start_main_#t~mem15#1.base|) 1)} is VALID [2022-02-20 23:46:36,771 INFO L290 TraceCheckUtils]: 17: Hoare triple {8797#(= (select |#valid| |ULTIMATE.start_main_#t~mem15#1.base|) 1)} assume !(1 == #valid[main_#t~mem15#1.base]); {8794#false} is VALID [2022-02-20 23:46:36,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:36,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:36,771 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228831269] [2022-02-20 23:46:36,772 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228831269] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:36,772 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:36,772 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:46:36,772 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263793064] [2022-02-20 23:46:36,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:36,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 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 23:46:36,772 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:36,773 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:36,783 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:36,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:46:36,784 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:36,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:46:36,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:46:36,784 INFO L87 Difference]: Start difference. First operand 229 states and 310 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:37,058 INFO L93 Difference]: Finished difference Result 228 states and 308 transitions. [2022-02-20 23:46:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:46:37,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 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 23:46:37,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2022-02-20 23:46:37,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2022-02-20 23:46:37,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 114 transitions. [2022-02-20 23:46:37,125 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:37,127 INFO L225 Difference]: With dead ends: 228 [2022-02-20 23:46:37,128 INFO L226 Difference]: Without dead ends: 228 [2022-02-20 23:46:37,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:46:37,128 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 6 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:37,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 287 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:37,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-02-20 23:46:37,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-02-20 23:46:37,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:37,131 INFO L82 GeneralOperation]: Start isEquivalent. First operand 228 states. Second operand has 228 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 227 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,132 INFO L74 IsIncluded]: Start isIncluded. First operand 228 states. Second operand has 228 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 227 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,132 INFO L87 Difference]: Start difference. First operand 228 states. Second operand has 228 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 227 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:37,135 INFO L93 Difference]: Finished difference Result 228 states and 308 transitions. [2022-02-20 23:46:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 308 transitions. [2022-02-20 23:46:37,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:37,135 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:37,136 INFO L74 IsIncluded]: Start isIncluded. First operand has 228 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 227 states have internal predecessors, (308), 0 states have call successors, (0), 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 228 states. [2022-02-20 23:46:37,136 INFO L87 Difference]: Start difference. First operand has 228 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 227 states have internal predecessors, (308), 0 states have call successors, (0), 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 228 states. [2022-02-20 23:46:37,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:37,139 INFO L93 Difference]: Finished difference Result 228 states and 308 transitions. [2022-02-20 23:46:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 308 transitions. [2022-02-20 23:46:37,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:37,139 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:37,139 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:37,139 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 227 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 308 transitions. [2022-02-20 23:46:37,143 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 308 transitions. Word has length 18 [2022-02-20 23:46:37,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:37,143 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 308 transitions. [2022-02-20 23:46:37,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 308 transitions. [2022-02-20 23:46:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-20 23:46:37,144 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:37,144 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 23:46:37,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 23:46:37,144 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:37,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:37,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1821793955, now seen corresponding path program 1 times [2022-02-20 23:46:37,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:37,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971454081] [2022-02-20 23:46:37,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:37,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:37,217 INFO L290 TraceCheckUtils]: 0: Hoare triple {9716#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(13, 2); {9716#true} is VALID [2022-02-20 23:46:37,217 INFO L290 TraceCheckUtils]: 1: Hoare triple {9716#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {9716#true} is VALID [2022-02-20 23:46:37,217 INFO L290 TraceCheckUtils]: 2: Hoare triple {9716#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {9716#true} is VALID [2022-02-20 23:46:37,217 INFO L290 TraceCheckUtils]: 3: Hoare triple {9716#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {9716#true} is VALID [2022-02-20 23:46:37,217 INFO L290 TraceCheckUtils]: 4: Hoare triple {9716#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {9716#true} is VALID [2022-02-20 23:46:37,218 INFO L290 TraceCheckUtils]: 5: Hoare triple {9716#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {9716#true} is VALID [2022-02-20 23:46:37,219 INFO L290 TraceCheckUtils]: 6: Hoare triple {9716#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {9716#true} is VALID [2022-02-20 23:46:37,219 INFO L290 TraceCheckUtils]: 7: Hoare triple {9716#true} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {9716#true} is VALID [2022-02-20 23:46:37,219 INFO L290 TraceCheckUtils]: 8: Hoare triple {9716#true} assume !main_#t~short7#1; {9716#true} is VALID [2022-02-20 23:46:37,220 INFO L290 TraceCheckUtils]: 9: Hoare triple {9716#true} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {9716#true} is VALID [2022-02-20 23:46:37,220 INFO L290 TraceCheckUtils]: 10: Hoare triple {9716#true} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {9716#true} is VALID [2022-02-20 23:46:37,220 INFO L290 TraceCheckUtils]: 11: Hoare triple {9716#true} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {9716#true} is VALID [2022-02-20 23:46:37,220 INFO L290 TraceCheckUtils]: 12: Hoare triple {9716#true} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {9716#true} is VALID [2022-02-20 23:46:37,221 INFO L290 TraceCheckUtils]: 13: Hoare triple {9716#true} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {9718#(and (= (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|) 8) (= |ULTIMATE.start_main_#t~malloc14#1.offset| 0))} is VALID [2022-02-20 23:46:37,221 INFO L290 TraceCheckUtils]: 14: Hoare triple {9718#(and (= (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|) 8) (= |ULTIMATE.start_main_#t~malloc14#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {9719#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,222 INFO L290 TraceCheckUtils]: 15: Hoare triple {9719#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {9719#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,222 INFO L290 TraceCheckUtils]: 16: Hoare triple {9719#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {9720#(and (= |ULTIMATE.start_main_#t~mem15#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_#t~mem15#1.base|) (- 8)) 0))} is VALID [2022-02-20 23:46:37,223 INFO L290 TraceCheckUtils]: 17: Hoare triple {9720#(and (= |ULTIMATE.start_main_#t~mem15#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_main_#t~mem15#1.base|) (- 8)) 0))} assume !(4 + main_#t~mem15#1.offset <= #length[main_#t~mem15#1.base] && 0 <= main_#t~mem15#1.offset); {9717#false} is VALID [2022-02-20 23:46:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:37,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:37,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971454081] [2022-02-20 23:46:37,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971454081] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:37,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:37,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:46:37,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050078277] [2022-02-20 23:46:37,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:37,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 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 23:46:37,225 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:37,225 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,235 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:37,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:46:37,235 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:37,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:46:37,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:46:37,236 INFO L87 Difference]: Start difference. First operand 228 states and 308 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:37,549 INFO L93 Difference]: Finished difference Result 227 states and 306 transitions. [2022-02-20 23:46:37,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:46:37,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 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 23:46:37,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 113 transitions. [2022-02-20 23:46:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 113 transitions. [2022-02-20 23:46:37,551 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 113 transitions. [2022-02-20 23:46:37,626 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 23:46:37,628 INFO L225 Difference]: With dead ends: 227 [2022-02-20 23:46:37,628 INFO L226 Difference]: Without dead ends: 227 [2022-02-20 23:46:37,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:46:37,629 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 4 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:37,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 264 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:37,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-02-20 23:46:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2022-02-20 23:46:37,632 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:37,633 INFO L82 GeneralOperation]: Start isEquivalent. First operand 227 states. Second operand has 227 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 226 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,633 INFO L74 IsIncluded]: Start isIncluded. First operand 227 states. Second operand has 227 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 226 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,633 INFO L87 Difference]: Start difference. First operand 227 states. Second operand has 227 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 226 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:37,642 INFO L93 Difference]: Finished difference Result 227 states and 306 transitions. [2022-02-20 23:46:37,642 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 306 transitions. [2022-02-20 23:46:37,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:37,642 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:37,643 INFO L74 IsIncluded]: Start isIncluded. First operand has 227 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 226 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 227 states. [2022-02-20 23:46:37,643 INFO L87 Difference]: Start difference. First operand has 227 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 226 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 227 states. [2022-02-20 23:46:37,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:37,646 INFO L93 Difference]: Finished difference Result 227 states and 306 transitions. [2022-02-20 23:46:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 306 transitions. [2022-02-20 23:46:37,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:37,647 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:37,647 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:37,647 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:37,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 193 states have (on average 1.5854922279792747) internal successors, (306), 226 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 306 transitions. [2022-02-20 23:46:37,650 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 306 transitions. Word has length 18 [2022-02-20 23:46:37,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:37,650 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 306 transitions. [2022-02-20 23:46:37,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 306 transitions. [2022-02-20 23:46:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 23:46:37,651 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:37,651 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:37,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-20 23:46:37,651 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:37,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:37,652 INFO L85 PathProgramCache]: Analyzing trace with hash 624480237, now seen corresponding path program 1 times [2022-02-20 23:46:37,652 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:37,652 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960463100] [2022-02-20 23:46:37,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:37,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:37,726 INFO L290 TraceCheckUtils]: 0: Hoare triple {10635#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(13, 2); {10635#true} is VALID [2022-02-20 23:46:37,726 INFO L290 TraceCheckUtils]: 1: Hoare triple {10635#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {10635#true} is VALID [2022-02-20 23:46:37,726 INFO L290 TraceCheckUtils]: 2: Hoare triple {10635#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {10635#true} is VALID [2022-02-20 23:46:37,726 INFO L290 TraceCheckUtils]: 3: Hoare triple {10635#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {10635#true} is VALID [2022-02-20 23:46:37,726 INFO L290 TraceCheckUtils]: 4: Hoare triple {10635#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {10635#true} is VALID [2022-02-20 23:46:37,726 INFO L290 TraceCheckUtils]: 5: Hoare triple {10635#true} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {10635#true} is VALID [2022-02-20 23:46:37,726 INFO L290 TraceCheckUtils]: 6: Hoare triple {10635#true} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {10635#true} is VALID [2022-02-20 23:46:37,727 INFO L290 TraceCheckUtils]: 7: Hoare triple {10635#true} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {10635#true} is VALID [2022-02-20 23:46:37,727 INFO L290 TraceCheckUtils]: 8: Hoare triple {10635#true} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {10637#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem23#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem23#1.offset|))} is VALID [2022-02-20 23:46:37,727 INFO L290 TraceCheckUtils]: 9: Hoare triple {10637#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem23#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem23#1.offset|))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {10638#(or |ULTIMATE.start_main_#t~short25#1| (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:37,728 INFO L290 TraceCheckUtils]: 10: Hoare triple {10638#(or |ULTIMATE.start_main_#t~short25#1| (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)))} assume !main_#t~short25#1; {10639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,728 INFO L290 TraceCheckUtils]: 11: Hoare triple {10639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {10639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,729 INFO L290 TraceCheckUtils]: 12: Hoare triple {10639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {10639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,729 INFO L290 TraceCheckUtils]: 13: Hoare triple {10639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {10639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:37,730 INFO L290 TraceCheckUtils]: 14: Hoare triple {10639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {10640#(and (= |ULTIMATE.start_main_#t~mem26#1.base| 0) (= |ULTIMATE.start_main_#t~mem26#1.offset| 0))} is VALID [2022-02-20 23:46:37,730 INFO L290 TraceCheckUtils]: 15: Hoare triple {10640#(and (= |ULTIMATE.start_main_#t~mem26#1.base| 0) (= |ULTIMATE.start_main_#t~mem26#1.offset| 0))} assume main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {10636#false} is VALID [2022-02-20 23:46:37,730 INFO L290 TraceCheckUtils]: 16: Hoare triple {10636#false} SUMMARY for call main_#t~mem27#1.base, main_#t~mem27#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L559 {10636#false} is VALID [2022-02-20 23:46:37,730 INFO L290 TraceCheckUtils]: 17: Hoare triple {10636#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem27#1.base, main_#t~mem27#1.offset;havoc main_#t~mem27#1.base, main_#t~mem27#1.offset; {10636#false} is VALID [2022-02-20 23:46:37,730 INFO L290 TraceCheckUtils]: 18: Hoare triple {10636#false} assume !(1 == #valid[main_~n~0#1.base]); {10636#false} is VALID [2022-02-20 23:46:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:37,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:37,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960463100] [2022-02-20 23:46:37,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960463100] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:37,730 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:37,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:46:37,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922290733] [2022-02-20 23:46:37,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:37,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 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 23:46:37,731 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:37,731 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:37,742 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:37,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:46:37,742 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:37,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:46:37,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:46:37,743 INFO L87 Difference]: Start difference. First operand 227 states and 306 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:38,131 INFO L93 Difference]: Finished difference Result 243 states and 325 transitions. [2022-02-20 23:46:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:46:38,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 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 23:46:38,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 121 transitions. [2022-02-20 23:46:38,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 121 transitions. [2022-02-20 23:46:38,132 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 121 transitions. [2022-02-20 23:46:38,204 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 121 edges. 121 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:38,207 INFO L225 Difference]: With dead ends: 243 [2022-02-20 23:46:38,207 INFO L226 Difference]: Without dead ends: 243 [2022-02-20 23:46:38,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:46:38,208 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 35 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:38,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 301 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:38,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2022-02-20 23:46:38,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 234. [2022-02-20 23:46:38,210 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:38,210 INFO L82 GeneralOperation]: Start isEquivalent. First operand 243 states. Second operand has 234 states, 200 states have (on average 1.575) internal successors, (315), 233 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,211 INFO L74 IsIncluded]: Start isIncluded. First operand 243 states. Second operand has 234 states, 200 states have (on average 1.575) internal successors, (315), 233 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,211 INFO L87 Difference]: Start difference. First operand 243 states. Second operand has 234 states, 200 states have (on average 1.575) internal successors, (315), 233 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:38,214 INFO L93 Difference]: Finished difference Result 243 states and 325 transitions. [2022-02-20 23:46:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 325 transitions. [2022-02-20 23:46:38,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:38,214 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:38,214 INFO L74 IsIncluded]: Start isIncluded. First operand has 234 states, 200 states have (on average 1.575) internal successors, (315), 233 states have internal predecessors, (315), 0 states have call successors, (0), 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 243 states. [2022-02-20 23:46:38,215 INFO L87 Difference]: Start difference. First operand has 234 states, 200 states have (on average 1.575) internal successors, (315), 233 states have internal predecessors, (315), 0 states have call successors, (0), 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 243 states. [2022-02-20 23:46:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:38,218 INFO L93 Difference]: Finished difference Result 243 states and 325 transitions. [2022-02-20 23:46:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 325 transitions. [2022-02-20 23:46:38,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:38,219 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:38,219 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:38,219 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:38,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 200 states have (on average 1.575) internal successors, (315), 233 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 315 transitions. [2022-02-20 23:46:38,222 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 315 transitions. Word has length 19 [2022-02-20 23:46:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:38,222 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 315 transitions. [2022-02-20 23:46:38,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,222 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 315 transitions. [2022-02-20 23:46:38,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-02-20 23:46:38,223 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:38,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:38,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-20 23:46:38,223 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:38,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:38,223 INFO L85 PathProgramCache]: Analyzing trace with hash 624664935, now seen corresponding path program 1 times [2022-02-20 23:46:38,224 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:38,224 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968934521] [2022-02-20 23:46:38,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:38,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:38,266 INFO L290 TraceCheckUtils]: 0: Hoare triple {11612#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(13, 2); {11612#true} is VALID [2022-02-20 23:46:38,266 INFO L290 TraceCheckUtils]: 1: Hoare triple {11612#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {11612#true} is VALID [2022-02-20 23:46:38,266 INFO L290 TraceCheckUtils]: 2: Hoare triple {11612#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {11612#true} is VALID [2022-02-20 23:46:38,267 INFO L290 TraceCheckUtils]: 3: Hoare triple {11612#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {11614#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:38,267 INFO L290 TraceCheckUtils]: 4: Hoare triple {11614#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {11614#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:38,268 INFO L290 TraceCheckUtils]: 5: Hoare triple {11614#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {11614#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:38,268 INFO L290 TraceCheckUtils]: 6: Hoare triple {11614#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {11614#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:38,269 INFO L290 TraceCheckUtils]: 7: Hoare triple {11614#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {11615#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:38,269 INFO L290 TraceCheckUtils]: 8: Hoare triple {11615#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {11615#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:38,270 INFO L290 TraceCheckUtils]: 9: Hoare triple {11615#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {11615#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:38,270 INFO L290 TraceCheckUtils]: 10: Hoare triple {11615#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} assume !main_#t~short25#1; {11615#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:38,270 INFO L290 TraceCheckUtils]: 11: Hoare triple {11615#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {11616#(and (= |ULTIMATE.start_main_#t~mem24#1.base| 0) (= |ULTIMATE.start_main_#t~mem24#1.offset| 0))} is VALID [2022-02-20 23:46:38,271 INFO L290 TraceCheckUtils]: 12: Hoare triple {11616#(and (= |ULTIMATE.start_main_#t~mem24#1.base| 0) (= |ULTIMATE.start_main_#t~mem24#1.offset| 0))} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {11617#(not |ULTIMATE.start_main_#t~short25#1|)} is VALID [2022-02-20 23:46:38,272 INFO L290 TraceCheckUtils]: 13: Hoare triple {11617#(not |ULTIMATE.start_main_#t~short25#1|)} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {11613#false} is VALID [2022-02-20 23:46:38,272 INFO L290 TraceCheckUtils]: 14: Hoare triple {11613#false} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {11613#false} is VALID [2022-02-20 23:46:38,272 INFO L290 TraceCheckUtils]: 15: Hoare triple {11613#false} assume !(main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0);havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {11613#false} is VALID [2022-02-20 23:46:38,272 INFO L290 TraceCheckUtils]: 16: Hoare triple {11613#false} SUMMARY for call main_#t~mem28#1.base, main_#t~mem28#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L561 {11613#false} is VALID [2022-02-20 23:46:38,272 INFO L290 TraceCheckUtils]: 17: Hoare triple {11613#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem28#1.base, main_#t~mem28#1.offset;havoc main_#t~mem28#1.base, main_#t~mem28#1.offset; {11613#false} is VALID [2022-02-20 23:46:38,272 INFO L290 TraceCheckUtils]: 18: Hoare triple {11613#false} assume !(1 == #valid[main_~n~0#1.base]); {11613#false} is VALID [2022-02-20 23:46:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:38,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:38,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968934521] [2022-02-20 23:46:38,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968934521] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:38,273 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:38,273 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:46:38,273 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112477073] [2022-02-20 23:46:38,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:38,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 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 23:46:38,274 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:38,274 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,284 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:38,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:46:38,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:38,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:46:38,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:46:38,285 INFO L87 Difference]: Start difference. First operand 234 states and 315 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:38,695 INFO L93 Difference]: Finished difference Result 236 states and 299 transitions. [2022-02-20 23:46:38,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:46:38,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 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 23:46:38,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 174 transitions. [2022-02-20 23:46:38,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 174 transitions. [2022-02-20 23:46:38,697 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 174 transitions. [2022-02-20 23:46:38,821 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:38,823 INFO L225 Difference]: With dead ends: 236 [2022-02-20 23:46:38,823 INFO L226 Difference]: Without dead ends: 236 [2022-02-20 23:46:38,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:46:38,824 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 66 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:38,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 415 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:38,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-02-20 23:46:38,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 206. [2022-02-20 23:46:38,827 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:38,827 INFO L82 GeneralOperation]: Start isEquivalent. First operand 236 states. Second operand has 206 states, 172 states have (on average 1.5406976744186047) internal successors, (265), 205 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,827 INFO L74 IsIncluded]: Start isIncluded. First operand 236 states. Second operand has 206 states, 172 states have (on average 1.5406976744186047) internal successors, (265), 205 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,828 INFO L87 Difference]: Start difference. First operand 236 states. Second operand has 206 states, 172 states have (on average 1.5406976744186047) internal successors, (265), 205 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:38,830 INFO L93 Difference]: Finished difference Result 236 states and 299 transitions. [2022-02-20 23:46:38,830 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 299 transitions. [2022-02-20 23:46:38,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:38,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:38,831 INFO L74 IsIncluded]: Start isIncluded. First operand has 206 states, 172 states have (on average 1.5406976744186047) internal successors, (265), 205 states have internal predecessors, (265), 0 states have call successors, (0), 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 236 states. [2022-02-20 23:46:38,831 INFO L87 Difference]: Start difference. First operand has 206 states, 172 states have (on average 1.5406976744186047) internal successors, (265), 205 states have internal predecessors, (265), 0 states have call successors, (0), 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 236 states. [2022-02-20 23:46:38,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:38,834 INFO L93 Difference]: Finished difference Result 236 states and 299 transitions. [2022-02-20 23:46:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 299 transitions. [2022-02-20 23:46:38,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:38,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:38,835 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:38,835 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 172 states have (on average 1.5406976744186047) internal successors, (265), 205 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 265 transitions. [2022-02-20 23:46:38,837 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 265 transitions. Word has length 19 [2022-02-20 23:46:38,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:38,837 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 265 transitions. [2022-02-20 23:46:38,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 265 transitions. [2022-02-20 23:46:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-02-20 23:46:38,838 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:38,838 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:38,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-20 23:46:38,838 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:38,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:38,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1555885541, now seen corresponding path program 1 times [2022-02-20 23:46:38,839 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:38,839 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481179010] [2022-02-20 23:46:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:38,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:38,862 INFO L290 TraceCheckUtils]: 0: Hoare triple {12540#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(13, 2); {12540#true} is VALID [2022-02-20 23:46:38,862 INFO L290 TraceCheckUtils]: 1: Hoare triple {12540#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {12540#true} is VALID [2022-02-20 23:46:38,863 INFO L290 TraceCheckUtils]: 2: Hoare triple {12540#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {12540#true} is VALID [2022-02-20 23:46:38,863 INFO L290 TraceCheckUtils]: 3: Hoare triple {12540#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {12540#true} is VALID [2022-02-20 23:46:38,863 INFO L290 TraceCheckUtils]: 4: Hoare triple {12540#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {12540#true} is VALID [2022-02-20 23:46:38,863 INFO L290 TraceCheckUtils]: 5: Hoare triple {12540#true} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {12540#true} is VALID [2022-02-20 23:46:38,863 INFO L290 TraceCheckUtils]: 6: Hoare triple {12540#true} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {12540#true} is VALID [2022-02-20 23:46:38,863 INFO L290 TraceCheckUtils]: 7: Hoare triple {12540#true} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {12540#true} is VALID [2022-02-20 23:46:38,863 INFO L290 TraceCheckUtils]: 8: Hoare triple {12540#true} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {12540#true} is VALID [2022-02-20 23:46:38,863 INFO L290 TraceCheckUtils]: 9: Hoare triple {12540#true} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {12540#true} is VALID [2022-02-20 23:46:38,864 INFO L290 TraceCheckUtils]: 10: Hoare triple {12540#true} assume !main_#t~short25#1; {12540#true} is VALID [2022-02-20 23:46:38,864 INFO L290 TraceCheckUtils]: 11: Hoare triple {12540#true} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {12540#true} is VALID [2022-02-20 23:46:38,864 INFO L290 TraceCheckUtils]: 12: Hoare triple {12540#true} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {12540#true} is VALID [2022-02-20 23:46:38,864 INFO L290 TraceCheckUtils]: 13: Hoare triple {12540#true} assume !main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1; {12540#true} is VALID [2022-02-20 23:46:38,866 INFO L290 TraceCheckUtils]: 14: Hoare triple {12540#true} assume !(main_~pred~0#1.base != 0 || main_~pred~0#1.offset != 0);main_~root~0#1.base, main_~root~0#1.offset := 0, 0; {12542#(and (= |ULTIMATE.start_main_~root~0#1.base| 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:38,867 INFO L290 TraceCheckUtils]: 15: Hoare triple {12542#(and (= |ULTIMATE.start_main_~root~0#1.base| 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume 0 == main_~n~0#1.offset; {12542#(and (= |ULTIMATE.start_main_~root~0#1.base| 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:38,867 INFO L290 TraceCheckUtils]: 16: Hoare triple {12542#(and (= |ULTIMATE.start_main_~root~0#1.base| 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume main_~n~0#1.base < #StackHeapBarrier; {12542#(and (= |ULTIMATE.start_main_~root~0#1.base| 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:38,867 INFO L290 TraceCheckUtils]: 17: Hoare triple {12542#(and (= |ULTIMATE.start_main_~root~0#1.base| 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume 0 == main_~n~0#1.base || 1 == #valid[main_~n~0#1.base];call ULTIMATE.dealloc(main_~n~0#1.base, main_~n~0#1.offset); {12542#(and (= |ULTIMATE.start_main_~root~0#1.base| 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:38,868 INFO L290 TraceCheckUtils]: 18: Hoare triple {12542#(and (= |ULTIMATE.start_main_~root~0#1.base| 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {12541#false} is VALID [2022-02-20 23:46:38,868 INFO L290 TraceCheckUtils]: 19: Hoare triple {12541#false} assume !(1 == #valid[main_~n~0#1.base]); {12541#false} is VALID [2022-02-20 23:46:38,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:38,868 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:38,868 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481179010] [2022-02-20 23:46:38,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481179010] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:38,869 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:38,869 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:46:38,869 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537288672] [2022-02-20 23:46:38,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:38,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:46:38,869 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:38,870 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,880 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:38,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:46:38,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:38,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:46:38,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:38,881 INFO L87 Difference]: Start difference. First operand 206 states and 265 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:38,967 INFO L93 Difference]: Finished difference Result 181 states and 214 transitions. [2022-02-20 23:46:38,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:46:38,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-02-20 23:46:38,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-02-20 23:46:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-02-20 23:46:38,969 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 118 transitions. [2022-02-20 23:46:39,038 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:39,039 INFO L225 Difference]: With dead ends: 181 [2022-02-20 23:46:39,039 INFO L226 Difference]: Without dead ends: 181 [2022-02-20 23:46:39,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:46:39,040 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 5 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:39,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 214 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:46:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-02-20 23:46:39,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 179. [2022-02-20 23:46:39,042 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:39,042 INFO L82 GeneralOperation]: Start isEquivalent. First operand 181 states. Second operand has 179 states, 145 states have (on average 1.4758620689655173) internal successors, (214), 178 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,043 INFO L74 IsIncluded]: Start isIncluded. First operand 181 states. Second operand has 179 states, 145 states have (on average 1.4758620689655173) internal successors, (214), 178 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,043 INFO L87 Difference]: Start difference. First operand 181 states. Second operand has 179 states, 145 states have (on average 1.4758620689655173) internal successors, (214), 178 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:39,045 INFO L93 Difference]: Finished difference Result 181 states and 214 transitions. [2022-02-20 23:46:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 214 transitions. [2022-02-20 23:46:39,045 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:39,045 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:39,045 INFO L74 IsIncluded]: Start isIncluded. First operand has 179 states, 145 states have (on average 1.4758620689655173) internal successors, (214), 178 states have internal predecessors, (214), 0 states have call successors, (0), 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 181 states. [2022-02-20 23:46:39,046 INFO L87 Difference]: Start difference. First operand has 179 states, 145 states have (on average 1.4758620689655173) internal successors, (214), 178 states have internal predecessors, (214), 0 states have call successors, (0), 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 181 states. [2022-02-20 23:46:39,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:39,047 INFO L93 Difference]: Finished difference Result 181 states and 214 transitions. [2022-02-20 23:46:39,047 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 214 transitions. [2022-02-20 23:46:39,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:39,048 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:39,048 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:39,048 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 145 states have (on average 1.4758620689655173) internal successors, (214), 178 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 214 transitions. [2022-02-20 23:46:39,050 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 214 transitions. Word has length 20 [2022-02-20 23:46:39,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:39,050 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 214 transitions. [2022-02-20 23:46:39,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 214 transitions. [2022-02-20 23:46:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:46:39,050 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:39,051 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:39,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-20 23:46:39,051 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:39,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:39,051 INFO L85 PathProgramCache]: Analyzing trace with hash 987811916, now seen corresponding path program 1 times [2022-02-20 23:46:39,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:39,052 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333072903] [2022-02-20 23:46:39,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:39,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:39,081 INFO L290 TraceCheckUtils]: 0: Hoare triple {13267#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(13, 2); {13267#true} is VALID [2022-02-20 23:46:39,082 INFO L290 TraceCheckUtils]: 1: Hoare triple {13267#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,082 INFO L290 TraceCheckUtils]: 2: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,082 INFO L290 TraceCheckUtils]: 3: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,083 INFO L290 TraceCheckUtils]: 4: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,083 INFO L290 TraceCheckUtils]: 5: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,083 INFO L290 TraceCheckUtils]: 6: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,084 INFO L290 TraceCheckUtils]: 7: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,084 INFO L290 TraceCheckUtils]: 8: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,084 INFO L290 TraceCheckUtils]: 9: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,085 INFO L290 TraceCheckUtils]: 10: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short25#1; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,085 INFO L290 TraceCheckUtils]: 11: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,086 INFO L290 TraceCheckUtils]: 12: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,086 INFO L290 TraceCheckUtils]: 13: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,086 INFO L290 TraceCheckUtils]: 14: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~pred~0#1.base != 0 || main_~pred~0#1.offset != 0);main_~root~0#1.base, main_~root~0#1.offset := 0, 0; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,087 INFO L290 TraceCheckUtils]: 15: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~n~0#1.offset; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,087 INFO L290 TraceCheckUtils]: 16: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~n~0#1.base < #StackHeapBarrier; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,087 INFO L290 TraceCheckUtils]: 17: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~n~0#1.base || 1 == #valid[main_~n~0#1.base];call ULTIMATE.dealloc(main_~n~0#1.base, main_~n~0#1.offset); {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:39,088 INFO L290 TraceCheckUtils]: 18: Hoare triple {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0); {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:39,088 INFO L290 TraceCheckUtils]: 19: Hoare triple {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:39,088 INFO L290 TraceCheckUtils]: 20: Hoare triple {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {13268#false} is VALID [2022-02-20 23:46:39,088 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 23:46:39,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:39,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333072903] [2022-02-20 23:46:39,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333072903] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:39,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986239813] [2022-02-20 23:46:39,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:39,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:39,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:39,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:46:39,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 23:46:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:39,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 23:46:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:39,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:39,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-20 23:46:39,384 INFO L290 TraceCheckUtils]: 0: Hoare triple {13267#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(13, 2); {13267#true} is VALID [2022-02-20 23:46:39,385 INFO L290 TraceCheckUtils]: 1: Hoare triple {13267#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,386 INFO L290 TraceCheckUtils]: 2: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,387 INFO L290 TraceCheckUtils]: 3: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,391 INFO L290 TraceCheckUtils]: 4: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,392 INFO L290 TraceCheckUtils]: 5: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,392 INFO L290 TraceCheckUtils]: 6: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,393 INFO L290 TraceCheckUtils]: 7: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,393 INFO L290 TraceCheckUtils]: 8: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,394 INFO L290 TraceCheckUtils]: 9: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,395 INFO L290 TraceCheckUtils]: 10: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short25#1; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,395 INFO L290 TraceCheckUtils]: 11: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,396 INFO L290 TraceCheckUtils]: 12: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,396 INFO L290 TraceCheckUtils]: 13: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,396 INFO L290 TraceCheckUtils]: 14: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~pred~0#1.base != 0 || main_~pred~0#1.offset != 0);main_~root~0#1.base, main_~root~0#1.offset := 0, 0; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,397 INFO L290 TraceCheckUtils]: 15: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~n~0#1.offset; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,399 INFO L290 TraceCheckUtils]: 16: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~n~0#1.base < #StackHeapBarrier; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,400 INFO L290 TraceCheckUtils]: 17: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~n~0#1.base || 1 == #valid[main_~n~0#1.base];call ULTIMATE.dealloc(main_~n~0#1.base, main_~n~0#1.offset); {13326#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~n~0#1.base| Int)) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 0)))} is VALID [2022-02-20 23:46:39,400 INFO L290 TraceCheckUtils]: 18: Hoare triple {13326#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~n~0#1.base| Int)) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 0)))} assume !(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0); {13326#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~n~0#1.base| Int)) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 0)))} is VALID [2022-02-20 23:46:39,401 INFO L290 TraceCheckUtils]: 19: Hoare triple {13326#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~n~0#1.base| Int)) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 0)))} main_#res#1 := 0; {13326#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~n~0#1.base| Int)) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 0)))} is VALID [2022-02-20 23:46:39,401 INFO L290 TraceCheckUtils]: 20: Hoare triple {13326#(and (= |ULTIMATE.start_main_old_#valid#1| |#valid|) (exists ((|ULTIMATE.start_main_~n~0#1.base| Int)) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 0)))} assume !(#valid == main_old_#valid#1); {13268#false} is VALID [2022-02-20 23:46:39,402 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 23:46:39,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:39,465 INFO L290 TraceCheckUtils]: 20: Hoare triple {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(#valid == main_old_#valid#1); {13268#false} is VALID [2022-02-20 23:46:39,466 INFO L290 TraceCheckUtils]: 19: Hoare triple {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} main_#res#1 := 0; {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:39,466 INFO L290 TraceCheckUtils]: 18: Hoare triple {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} assume !(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0); {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:39,467 INFO L290 TraceCheckUtils]: 17: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~n~0#1.base || 1 == #valid[main_~n~0#1.base];call ULTIMATE.dealloc(main_~n~0#1.base, main_~n~0#1.offset); {13271#(= |ULTIMATE.start_main_old_#valid#1| |#valid|)} is VALID [2022-02-20 23:46:39,467 INFO L290 TraceCheckUtils]: 16: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume main_~n~0#1.base < #StackHeapBarrier; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,467 INFO L290 TraceCheckUtils]: 15: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume 0 == main_~n~0#1.offset; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,468 INFO L290 TraceCheckUtils]: 14: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(main_~pred~0#1.base != 0 || main_~pred~0#1.offset != 0);main_~root~0#1.base, main_~root~0#1.offset := 0, 0; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,468 INFO L290 TraceCheckUtils]: 13: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,469 INFO L290 TraceCheckUtils]: 12: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,470 INFO L290 TraceCheckUtils]: 11: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,470 INFO L290 TraceCheckUtils]: 10: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !main_#t~short25#1; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,470 INFO L290 TraceCheckUtils]: 9: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,471 INFO L290 TraceCheckUtils]: 8: Hoare triple {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,471 INFO L290 TraceCheckUtils]: 7: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {13270#(= (store |#valid| |ULTIMATE.start_main_~n~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,471 INFO L290 TraceCheckUtils]: 6: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,472 INFO L290 TraceCheckUtils]: 5: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,472 INFO L290 TraceCheckUtils]: 4: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,472 INFO L290 TraceCheckUtils]: 3: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,472 INFO L290 TraceCheckUtils]: 2: Hoare triple {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,473 INFO L290 TraceCheckUtils]: 1: Hoare triple {13267#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {13269#(= (store |#valid| |ULTIMATE.start_main_~root~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)} is VALID [2022-02-20 23:46:39,473 INFO L290 TraceCheckUtils]: 0: Hoare triple {13267#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(13, 2); {13267#true} is VALID [2022-02-20 23:46:39,474 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 23:46:39,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986239813] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:39,474 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:39,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-02-20 23:46:39,475 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365245618] [2022-02-20 23:46:39,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:39,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 23:46:39,476 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:39,476 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,491 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:39,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:46:39,491 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:39,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:46:39,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:46:39,491 INFO L87 Difference]: Start difference. First operand 179 states and 214 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:39,813 INFO L93 Difference]: Finished difference Result 189 states and 224 transitions. [2022-02-20 23:46:39,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:46:39,813 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 23:46:39,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:39,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2022-02-20 23:46:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2022-02-20 23:46:39,814 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 150 transitions. [2022-02-20 23:46:39,904 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:39,905 INFO L225 Difference]: With dead ends: 189 [2022-02-20 23:46:39,905 INFO L226 Difference]: Without dead ends: 173 [2022-02-20 23:46:39,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:46:39,906 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 40 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:39,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 284 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:39,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-02-20 23:46:39,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2022-02-20 23:46:39,908 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:39,908 INFO L82 GeneralOperation]: Start isEquivalent. First operand 173 states. Second operand has 171 states, 137 states have (on average 1.4963503649635037) internal successors, (205), 170 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,908 INFO L74 IsIncluded]: Start isIncluded. First operand 173 states. Second operand has 171 states, 137 states have (on average 1.4963503649635037) internal successors, (205), 170 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,908 INFO L87 Difference]: Start difference. First operand 173 states. Second operand has 171 states, 137 states have (on average 1.4963503649635037) internal successors, (205), 170 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:39,910 INFO L93 Difference]: Finished difference Result 173 states and 207 transitions. [2022-02-20 23:46:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 207 transitions. [2022-02-20 23:46:39,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:39,911 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:39,911 INFO L74 IsIncluded]: Start isIncluded. First operand has 171 states, 137 states have (on average 1.4963503649635037) internal successors, (205), 170 states have internal predecessors, (205), 0 states have call successors, (0), 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 173 states. [2022-02-20 23:46:39,911 INFO L87 Difference]: Start difference. First operand has 171 states, 137 states have (on average 1.4963503649635037) internal successors, (205), 170 states have internal predecessors, (205), 0 states have call successors, (0), 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 173 states. [2022-02-20 23:46:39,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:39,913 INFO L93 Difference]: Finished difference Result 173 states and 207 transitions. [2022-02-20 23:46:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 207 transitions. [2022-02-20 23:46:39,913 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:39,914 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:39,914 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:39,914 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 137 states have (on average 1.4963503649635037) internal successors, (205), 170 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 205 transitions. [2022-02-20 23:46:39,915 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 205 transitions. Word has length 21 [2022-02-20 23:46:39,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:39,916 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 205 transitions. [2022-02-20 23:46:39,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 205 transitions. [2022-02-20 23:46:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:46:39,918 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:39,918 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:39,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 23:46:40,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-20 23:46:40,119 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:40,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:40,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1856983029, now seen corresponding path program 1 times [2022-02-20 23:46:40,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:40,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765099681] [2022-02-20 23:46:40,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:40,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:40,184 INFO L290 TraceCheckUtils]: 0: Hoare triple {14105#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(13, 2); {14105#true} is VALID [2022-02-20 23:46:40,185 INFO L290 TraceCheckUtils]: 1: Hoare triple {14105#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {14105#true} is VALID [2022-02-20 23:46:40,185 INFO L290 TraceCheckUtils]: 2: Hoare triple {14105#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {14105#true} is VALID [2022-02-20 23:46:40,185 INFO L290 TraceCheckUtils]: 3: Hoare triple {14105#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {14105#true} is VALID [2022-02-20 23:46:40,185 INFO L290 TraceCheckUtils]: 4: Hoare triple {14105#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {14105#true} is VALID [2022-02-20 23:46:40,185 INFO L290 TraceCheckUtils]: 5: Hoare triple {14105#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {14105#true} is VALID [2022-02-20 23:46:40,186 INFO L290 TraceCheckUtils]: 6: Hoare triple {14105#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,186 INFO L290 TraceCheckUtils]: 7: Hoare triple {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,186 INFO L290 TraceCheckUtils]: 8: Hoare triple {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short7#1; {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,187 INFO L290 TraceCheckUtils]: 9: Hoare triple {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,187 INFO L290 TraceCheckUtils]: 10: Hoare triple {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,187 INFO L290 TraceCheckUtils]: 11: Hoare triple {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,188 INFO L290 TraceCheckUtils]: 12: Hoare triple {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,188 INFO L290 TraceCheckUtils]: 13: Hoare triple {14107#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {14108#(and (= (select |#valid| |ULTIMATE.start_main_#t~malloc14#1.base|) 1) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)))} is VALID [2022-02-20 23:46:40,189 INFO L290 TraceCheckUtils]: 14: Hoare triple {14108#(and (= (select |#valid| |ULTIMATE.start_main_#t~malloc14#1.base|) 1) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {14109#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:40,189 INFO L290 TraceCheckUtils]: 15: Hoare triple {14109#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {14109#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:40,190 INFO L290 TraceCheckUtils]: 16: Hoare triple {14109#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {14110#(and (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:40,191 INFO L290 TraceCheckUtils]: 17: Hoare triple {14110#(and (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {14111#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:40,191 INFO L290 TraceCheckUtils]: 18: Hoare triple {14111#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {14111#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:40,191 INFO L290 TraceCheckUtils]: 19: Hoare triple {14111#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {14112#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} is VALID [2022-02-20 23:46:40,192 INFO L290 TraceCheckUtils]: 20: Hoare triple {14112#(= (select |#valid| |ULTIMATE.start_main_#t~mem16#1.base|) 1)} assume !(1 == #valid[main_#t~mem16#1.base]); {14106#false} is VALID [2022-02-20 23:46:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:40,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:40,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765099681] [2022-02-20 23:46:40,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765099681] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:40,192 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:40,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:46:40,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866691189] [2022-02-20 23:46:40,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:40,193 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 23:46:40,193 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:40,193 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,208 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:40,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:46:40,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:40,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:46:40,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:46:40,209 INFO L87 Difference]: Start difference. First operand 171 states and 205 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:40,768 INFO L93 Difference]: Finished difference Result 172 states and 205 transitions. [2022-02-20 23:46:40,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:46:40,768 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 23:46:40,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 114 transitions. [2022-02-20 23:46:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 114 transitions. [2022-02-20 23:46:40,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 114 transitions. [2022-02-20 23:46:40,846 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:40,848 INFO L225 Difference]: With dead ends: 172 [2022-02-20 23:46:40,848 INFO L226 Difference]: Without dead ends: 172 [2022-02-20 23:46:40,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:46:40,848 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 90 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:40,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 238 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:46:40,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-02-20 23:46:40,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 170. [2022-02-20 23:46:40,850 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:40,851 INFO L82 GeneralOperation]: Start isEquivalent. First operand 172 states. Second operand has 170 states, 137 states have (on average 1.4817518248175183) internal successors, (203), 169 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,851 INFO L74 IsIncluded]: Start isIncluded. First operand 172 states. Second operand has 170 states, 137 states have (on average 1.4817518248175183) internal successors, (203), 169 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,851 INFO L87 Difference]: Start difference. First operand 172 states. Second operand has 170 states, 137 states have (on average 1.4817518248175183) internal successors, (203), 169 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:40,853 INFO L93 Difference]: Finished difference Result 172 states and 205 transitions. [2022-02-20 23:46:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2022-02-20 23:46:40,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:40,853 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:40,853 INFO L74 IsIncluded]: Start isIncluded. First operand has 170 states, 137 states have (on average 1.4817518248175183) internal successors, (203), 169 states have internal predecessors, (203), 0 states have call successors, (0), 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 172 states. [2022-02-20 23:46:40,854 INFO L87 Difference]: Start difference. First operand has 170 states, 137 states have (on average 1.4817518248175183) internal successors, (203), 169 states have internal predecessors, (203), 0 states have call successors, (0), 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 172 states. [2022-02-20 23:46:40,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:40,855 INFO L93 Difference]: Finished difference Result 172 states and 205 transitions. [2022-02-20 23:46:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 205 transitions. [2022-02-20 23:46:40,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:40,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:40,856 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:40,856 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 137 states have (on average 1.4817518248175183) internal successors, (203), 169 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 203 transitions. [2022-02-20 23:46:40,858 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 203 transitions. Word has length 21 [2022-02-20 23:46:40,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:40,858 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 203 transitions. [2022-02-20 23:46:40,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 203 transitions. [2022-02-20 23:46:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-02-20 23:46:40,859 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:40,859 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:40,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-20 23:46:40,859 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:40,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:40,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1856983030, now seen corresponding path program 1 times [2022-02-20 23:46:40,860 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:40,860 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831713769] [2022-02-20 23:46:40,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:40,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:40,941 INFO L290 TraceCheckUtils]: 0: Hoare triple {14813#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(13, 2); {14813#true} is VALID [2022-02-20 23:46:40,942 INFO L290 TraceCheckUtils]: 1: Hoare triple {14813#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {14813#true} is VALID [2022-02-20 23:46:40,942 INFO L290 TraceCheckUtils]: 2: Hoare triple {14813#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {14813#true} is VALID [2022-02-20 23:46:40,942 INFO L290 TraceCheckUtils]: 3: Hoare triple {14813#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {14813#true} is VALID [2022-02-20 23:46:40,942 INFO L290 TraceCheckUtils]: 4: Hoare triple {14813#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {14813#true} is VALID [2022-02-20 23:46:40,942 INFO L290 TraceCheckUtils]: 5: Hoare triple {14813#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {14813#true} is VALID [2022-02-20 23:46:40,943 INFO L290 TraceCheckUtils]: 6: Hoare triple {14813#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,943 INFO L290 TraceCheckUtils]: 7: Hoare triple {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,943 INFO L290 TraceCheckUtils]: 8: Hoare triple {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short7#1; {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,943 INFO L290 TraceCheckUtils]: 9: Hoare triple {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,944 INFO L290 TraceCheckUtils]: 10: Hoare triple {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,944 INFO L290 TraceCheckUtils]: 11: Hoare triple {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,944 INFO L290 TraceCheckUtils]: 12: Hoare triple {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:40,945 INFO L290 TraceCheckUtils]: 13: Hoare triple {14815#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {14816#(and (= (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_#t~malloc14#1.offset| 0))} is VALID [2022-02-20 23:46:40,946 INFO L290 TraceCheckUtils]: 14: Hoare triple {14816#(and (= (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_#t~malloc14#1.offset| 0))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {14817#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:40,946 INFO L290 TraceCheckUtils]: 15: Hoare triple {14817#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {14817#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:40,947 INFO L290 TraceCheckUtils]: 16: Hoare triple {14817#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {14818#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:40,947 INFO L290 TraceCheckUtils]: 17: Hoare triple {14818#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {14819#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:40,948 INFO L290 TraceCheckUtils]: 18: Hoare triple {14819#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {14819#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:40,948 INFO L290 TraceCheckUtils]: 19: Hoare triple {14819#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {14820#(and (= (+ (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_#t~mem16#1.offset| 0))} is VALID [2022-02-20 23:46:40,949 INFO L290 TraceCheckUtils]: 20: Hoare triple {14820#(and (= (+ (select |#length| |ULTIMATE.start_main_#t~mem16#1.base|) (- 8)) 0) (= |ULTIMATE.start_main_#t~mem16#1.offset| 0))} assume !(4 + (4 + main_#t~mem16#1.offset) <= #length[main_#t~mem16#1.base] && 0 <= 4 + main_#t~mem16#1.offset); {14814#false} is VALID [2022-02-20 23:46:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:40,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:40,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831713769] [2022-02-20 23:46:40,949 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831713769] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:40,949 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:40,949 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:46:40,950 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91949637] [2022-02-20 23:46:40,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:40,950 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 23:46:40,950 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:40,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:40,964 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:40,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:46:40,965 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:40,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:46:40,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:46:40,965 INFO L87 Difference]: Start difference. First operand 170 states and 203 transitions. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:41,658 INFO L93 Difference]: Finished difference Result 171 states and 203 transitions. [2022-02-20 23:46:41,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:46:41,658 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-02-20 23:46:41,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:41,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2022-02-20 23:46:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 113 transitions. [2022-02-20 23:46:41,659 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 113 transitions. [2022-02-20 23:46:41,730 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 23:46:41,731 INFO L225 Difference]: With dead ends: 171 [2022-02-20 23:46:41,731 INFO L226 Difference]: Without dead ends: 171 [2022-02-20 23:46:41,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:46:41,732 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 87 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:41,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 257 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:46:41,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-02-20 23:46:41,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2022-02-20 23:46:41,734 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:41,734 INFO L82 GeneralOperation]: Start isEquivalent. First operand 171 states. Second operand has 169 states, 137 states have (on average 1.467153284671533) internal successors, (201), 168 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,734 INFO L74 IsIncluded]: Start isIncluded. First operand 171 states. Second operand has 169 states, 137 states have (on average 1.467153284671533) internal successors, (201), 168 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,734 INFO L87 Difference]: Start difference. First operand 171 states. Second operand has 169 states, 137 states have (on average 1.467153284671533) internal successors, (201), 168 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:41,736 INFO L93 Difference]: Finished difference Result 171 states and 203 transitions. [2022-02-20 23:46:41,736 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 203 transitions. [2022-02-20 23:46:41,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:41,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:41,737 INFO L74 IsIncluded]: Start isIncluded. First operand has 169 states, 137 states have (on average 1.467153284671533) internal successors, (201), 168 states have internal predecessors, (201), 0 states have call successors, (0), 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 171 states. [2022-02-20 23:46:41,737 INFO L87 Difference]: Start difference. First operand has 169 states, 137 states have (on average 1.467153284671533) internal successors, (201), 168 states have internal predecessors, (201), 0 states have call successors, (0), 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 171 states. [2022-02-20 23:46:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:41,739 INFO L93 Difference]: Finished difference Result 171 states and 203 transitions. [2022-02-20 23:46:41,739 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 203 transitions. [2022-02-20 23:46:41,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:41,739 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:41,739 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:41,739 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:41,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 137 states have (on average 1.467153284671533) internal successors, (201), 168 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2022-02-20 23:46:41,741 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 21 [2022-02-20 23:46:41,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:41,741 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2022-02-20 23:46:41,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2022-02-20 23:46:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 23:46:41,742 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:41,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:41,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-20 23:46:41,742 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:41,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:41,743 INFO L85 PathProgramCache]: Analyzing trace with hash 27790463, now seen corresponding path program 1 times [2022-02-20 23:46:41,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:41,743 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783173784] [2022-02-20 23:46:41,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:41,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:41,772 INFO L290 TraceCheckUtils]: 0: Hoare triple {15517#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(13, 2); {15517#true} is VALID [2022-02-20 23:46:41,772 INFO L290 TraceCheckUtils]: 1: Hoare triple {15517#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {15517#true} is VALID [2022-02-20 23:46:41,773 INFO L290 TraceCheckUtils]: 2: Hoare triple {15517#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {15517#true} is VALID [2022-02-20 23:46:41,773 INFO L290 TraceCheckUtils]: 3: Hoare triple {15517#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {15517#true} is VALID [2022-02-20 23:46:41,773 INFO L290 TraceCheckUtils]: 4: Hoare triple {15517#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {15517#true} is VALID [2022-02-20 23:46:41,773 INFO L290 TraceCheckUtils]: 5: Hoare triple {15517#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {15517#true} is VALID [2022-02-20 23:46:41,773 INFO L290 TraceCheckUtils]: 6: Hoare triple {15517#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {15517#true} is VALID [2022-02-20 23:46:41,773 INFO L290 TraceCheckUtils]: 7: Hoare triple {15517#true} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {15517#true} is VALID [2022-02-20 23:46:41,773 INFO L290 TraceCheckUtils]: 8: Hoare triple {15517#true} assume !main_#t~short7#1; {15517#true} is VALID [2022-02-20 23:46:41,773 INFO L290 TraceCheckUtils]: 9: Hoare triple {15517#true} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {15517#true} is VALID [2022-02-20 23:46:41,774 INFO L290 TraceCheckUtils]: 10: Hoare triple {15517#true} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {15517#true} is VALID [2022-02-20 23:46:41,774 INFO L290 TraceCheckUtils]: 11: Hoare triple {15517#true} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {15517#true} is VALID [2022-02-20 23:46:41,774 INFO L290 TraceCheckUtils]: 12: Hoare triple {15517#true} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {15517#true} is VALID [2022-02-20 23:46:41,774 INFO L290 TraceCheckUtils]: 13: Hoare triple {15517#true} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {15517#true} is VALID [2022-02-20 23:46:41,774 INFO L290 TraceCheckUtils]: 14: Hoare triple {15517#true} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {15517#true} is VALID [2022-02-20 23:46:41,774 INFO L290 TraceCheckUtils]: 15: Hoare triple {15517#true} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {15517#true} is VALID [2022-02-20 23:46:41,774 INFO L290 TraceCheckUtils]: 16: Hoare triple {15517#true} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {15517#true} is VALID [2022-02-20 23:46:41,775 INFO L290 TraceCheckUtils]: 17: Hoare triple {15517#true} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {15519#(= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1)} is VALID [2022-02-20 23:46:41,776 INFO L290 TraceCheckUtils]: 18: Hoare triple {15519#(= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1)} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {15520#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:46:41,776 INFO L290 TraceCheckUtils]: 19: Hoare triple {15520#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {15520#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:46:41,777 INFO L290 TraceCheckUtils]: 20: Hoare triple {15520#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {15521#(= (select |#valid| |ULTIMATE.start_main_#t~mem21#1.base|) 1)} is VALID [2022-02-20 23:46:41,777 INFO L290 TraceCheckUtils]: 21: Hoare triple {15521#(= (select |#valid| |ULTIMATE.start_main_#t~mem21#1.base|) 1)} assume !(1 == #valid[main_#t~mem21#1.base]); {15518#false} is VALID [2022-02-20 23:46:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:41,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:41,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783173784] [2022-02-20 23:46:41,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783173784] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:41,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:41,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:46:41,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240125222] [2022-02-20 23:46:41,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:41,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) 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 22 [2022-02-20 23:46:41,779 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:41,779 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 5.5) 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 23:46:41,791 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 23:46:41,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:46:41,792 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:41,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:46:41,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:46:41,793 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand has 5 states, 4 states have (on average 5.5) 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 23:46:42,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:42,066 INFO L93 Difference]: Finished difference Result 168 states and 199 transitions. [2022-02-20 23:46:42,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:46:42,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) 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 22 [2022-02-20 23:46:42,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:42,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.5) 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 23:46:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 110 transitions. [2022-02-20 23:46:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.5) 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 23:46:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 110 transitions. [2022-02-20 23:46:42,072 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 110 transitions. [2022-02-20 23:46:42,133 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:42,134 INFO L225 Difference]: With dead ends: 168 [2022-02-20 23:46:42,134 INFO L226 Difference]: Without dead ends: 168 [2022-02-20 23:46:42,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:46:42,135 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 6 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:42,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 277 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:42,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-02-20 23:46:42,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-02-20 23:46:42,137 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:42,137 INFO L82 GeneralOperation]: Start isEquivalent. First operand 168 states. Second operand has 168 states, 137 states have (on average 1.4525547445255473) internal successors, (199), 167 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:42,137 INFO L74 IsIncluded]: Start isIncluded. First operand 168 states. Second operand has 168 states, 137 states have (on average 1.4525547445255473) internal successors, (199), 167 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:42,138 INFO L87 Difference]: Start difference. First operand 168 states. Second operand has 168 states, 137 states have (on average 1.4525547445255473) internal successors, (199), 167 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:42,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:42,139 INFO L93 Difference]: Finished difference Result 168 states and 199 transitions. [2022-02-20 23:46:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2022-02-20 23:46:42,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:42,140 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:42,140 INFO L74 IsIncluded]: Start isIncluded. First operand has 168 states, 137 states have (on average 1.4525547445255473) internal successors, (199), 167 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 168 states. [2022-02-20 23:46:42,140 INFO L87 Difference]: Start difference. First operand has 168 states, 137 states have (on average 1.4525547445255473) internal successors, (199), 167 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 168 states. [2022-02-20 23:46:42,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:42,141 INFO L93 Difference]: Finished difference Result 168 states and 199 transitions. [2022-02-20 23:46:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2022-02-20 23:46:42,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:42,142 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:42,142 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:42,142 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 137 states have (on average 1.4525547445255473) internal successors, (199), 167 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2022-02-20 23:46:42,144 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 22 [2022-02-20 23:46:42,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:42,144 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2022-02-20 23:46:42,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) 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 23:46:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2022-02-20 23:46:42,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-02-20 23:46:42,144 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:42,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:42,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-20 23:46:42,145 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:42,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:42,145 INFO L85 PathProgramCache]: Analyzing trace with hash 27790464, now seen corresponding path program 1 times [2022-02-20 23:46:42,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:42,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753196514] [2022-02-20 23:46:42,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:42,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:42,206 INFO L290 TraceCheckUtils]: 0: Hoare triple {16200#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(13, 2); {16200#true} is VALID [2022-02-20 23:46:42,207 INFO L290 TraceCheckUtils]: 1: Hoare triple {16200#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {16200#true} is VALID [2022-02-20 23:46:42,207 INFO L290 TraceCheckUtils]: 2: Hoare triple {16200#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {16200#true} is VALID [2022-02-20 23:46:42,207 INFO L290 TraceCheckUtils]: 3: Hoare triple {16200#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {16200#true} is VALID [2022-02-20 23:46:42,207 INFO L290 TraceCheckUtils]: 4: Hoare triple {16200#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {16200#true} is VALID [2022-02-20 23:46:42,207 INFO L290 TraceCheckUtils]: 5: Hoare triple {16200#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {16200#true} is VALID [2022-02-20 23:46:42,207 INFO L290 TraceCheckUtils]: 6: Hoare triple {16200#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {16200#true} is VALID [2022-02-20 23:46:42,208 INFO L290 TraceCheckUtils]: 7: Hoare triple {16200#true} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {16200#true} is VALID [2022-02-20 23:46:42,208 INFO L290 TraceCheckUtils]: 8: Hoare triple {16200#true} assume !main_#t~short7#1; {16200#true} is VALID [2022-02-20 23:46:42,208 INFO L290 TraceCheckUtils]: 9: Hoare triple {16200#true} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {16200#true} is VALID [2022-02-20 23:46:42,208 INFO L290 TraceCheckUtils]: 10: Hoare triple {16200#true} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {16200#true} is VALID [2022-02-20 23:46:42,208 INFO L290 TraceCheckUtils]: 11: Hoare triple {16200#true} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {16200#true} is VALID [2022-02-20 23:46:42,208 INFO L290 TraceCheckUtils]: 12: Hoare triple {16200#true} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {16200#true} is VALID [2022-02-20 23:46:42,208 INFO L290 TraceCheckUtils]: 13: Hoare triple {16200#true} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {16200#true} is VALID [2022-02-20 23:46:42,209 INFO L290 TraceCheckUtils]: 14: Hoare triple {16200#true} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {16200#true} is VALID [2022-02-20 23:46:42,209 INFO L290 TraceCheckUtils]: 15: Hoare triple {16200#true} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {16200#true} is VALID [2022-02-20 23:46:42,209 INFO L290 TraceCheckUtils]: 16: Hoare triple {16200#true} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {16200#true} is VALID [2022-02-20 23:46:42,209 INFO L290 TraceCheckUtils]: 17: Hoare triple {16200#true} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {16202#(and (= |ULTIMATE.start_main_#t~malloc20#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc20#1.base|)))} is VALID [2022-02-20 23:46:42,210 INFO L290 TraceCheckUtils]: 18: Hoare triple {16202#(and (= |ULTIMATE.start_main_#t~malloc20#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc20#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {16203#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} is VALID [2022-02-20 23:46:42,211 INFO L290 TraceCheckUtils]: 19: Hoare triple {16203#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {16203#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} is VALID [2022-02-20 23:46:42,211 INFO L290 TraceCheckUtils]: 20: Hoare triple {16203#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {16204#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem21#1.base|)) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} is VALID [2022-02-20 23:46:42,212 INFO L290 TraceCheckUtils]: 21: Hoare triple {16204#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem21#1.base|)) (= |ULTIMATE.start_main_#t~mem21#1.offset| 0))} assume !(4 + main_#t~mem21#1.offset <= #length[main_#t~mem21#1.base] && 0 <= main_#t~mem21#1.offset); {16201#false} is VALID [2022-02-20 23:46:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:42,212 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:42,212 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753196514] [2022-02-20 23:46:42,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753196514] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:42,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:42,212 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:46:42,213 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691696387] [2022-02-20 23:46:42,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:42,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) 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 22 [2022-02-20 23:46:42,213 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:42,213 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 5.5) 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 23:46:42,227 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 23:46:42,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:46:42,228 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:42,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:46:42,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:46:42,228 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand has 5 states, 4 states have (on average 5.5) 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 23:46:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:42,521 INFO L93 Difference]: Finished difference Result 167 states and 197 transitions. [2022-02-20 23:46:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:46:42,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) 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 22 [2022-02-20 23:46:42,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.5) 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 23:46:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2022-02-20 23:46:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 5.5) 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 23:46:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2022-02-20 23:46:42,522 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 109 transitions. [2022-02-20 23:46:42,585 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:42,586 INFO L225 Difference]: With dead ends: 167 [2022-02-20 23:46:42,586 INFO L226 Difference]: Without dead ends: 167 [2022-02-20 23:46:42,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:46:42,587 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 4 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:42,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 254 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:46:42,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-02-20 23:46:42,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2022-02-20 23:46:42,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:42,589 INFO L82 GeneralOperation]: Start isEquivalent. First operand 167 states. Second operand has 167 states, 137 states have (on average 1.437956204379562) internal successors, (197), 166 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:42,589 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand has 167 states, 137 states have (on average 1.437956204379562) internal successors, (197), 166 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:42,590 INFO L87 Difference]: Start difference. First operand 167 states. Second operand has 167 states, 137 states have (on average 1.437956204379562) internal successors, (197), 166 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:42,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:42,591 INFO L93 Difference]: Finished difference Result 167 states and 197 transitions. [2022-02-20 23:46:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2022-02-20 23:46:42,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:42,592 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:42,592 INFO L74 IsIncluded]: Start isIncluded. First operand has 167 states, 137 states have (on average 1.437956204379562) internal successors, (197), 166 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 167 states. [2022-02-20 23:46:42,592 INFO L87 Difference]: Start difference. First operand has 167 states, 137 states have (on average 1.437956204379562) internal successors, (197), 166 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 167 states. [2022-02-20 23:46:42,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:42,593 INFO L93 Difference]: Finished difference Result 167 states and 197 transitions. [2022-02-20 23:46:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2022-02-20 23:46:42,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:42,594 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:42,594 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:42,594 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 137 states have (on average 1.437956204379562) internal successors, (197), 166 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 197 transitions. [2022-02-20 23:46:42,598 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 197 transitions. Word has length 22 [2022-02-20 23:46:42,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:42,599 INFO L470 AbstractCegarLoop]: Abstraction has 167 states and 197 transitions. [2022-02-20 23:46:42,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) 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 23:46:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2022-02-20 23:46:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 23:46:42,601 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:42,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:42,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-20 23:46:42,602 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:42,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:42,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1022919462, now seen corresponding path program 1 times [2022-02-20 23:46:42,604 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:42,604 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384153193] [2022-02-20 23:46:42,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:42,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:42,666 INFO L290 TraceCheckUtils]: 0: Hoare triple {16879#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(13, 2); {16879#true} is VALID [2022-02-20 23:46:42,667 INFO L290 TraceCheckUtils]: 1: Hoare triple {16879#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {16879#true} is VALID [2022-02-20 23:46:42,667 INFO L290 TraceCheckUtils]: 2: Hoare triple {16879#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {16879#true} is VALID [2022-02-20 23:46:42,669 INFO L290 TraceCheckUtils]: 3: Hoare triple {16879#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {16879#true} is VALID [2022-02-20 23:46:42,669 INFO L290 TraceCheckUtils]: 4: Hoare triple {16879#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {16879#true} is VALID [2022-02-20 23:46:42,670 INFO L290 TraceCheckUtils]: 5: Hoare triple {16879#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {16879#true} is VALID [2022-02-20 23:46:42,671 INFO L290 TraceCheckUtils]: 6: Hoare triple {16879#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,671 INFO L290 TraceCheckUtils]: 7: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,671 INFO L290 TraceCheckUtils]: 8: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short7#1; {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,671 INFO L290 TraceCheckUtils]: 9: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,672 INFO L290 TraceCheckUtils]: 10: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,672 INFO L290 TraceCheckUtils]: 11: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,672 INFO L290 TraceCheckUtils]: 12: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,672 INFO L290 TraceCheckUtils]: 13: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,673 INFO L290 TraceCheckUtils]: 14: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,673 INFO L290 TraceCheckUtils]: 15: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,673 INFO L290 TraceCheckUtils]: 16: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:42,674 INFO L290 TraceCheckUtils]: 17: Hoare triple {16881#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {16882#(and (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1))} is VALID [2022-02-20 23:46:42,674 INFO L290 TraceCheckUtils]: 18: Hoare triple {16882#(and (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {16883#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:46:42,675 INFO L290 TraceCheckUtils]: 19: Hoare triple {16883#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {16883#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:46:42,675 INFO L290 TraceCheckUtils]: 20: Hoare triple {16883#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {16884#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)))} is VALID [2022-02-20 23:46:42,676 INFO L290 TraceCheckUtils]: 21: Hoare triple {16884#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem21#1.base, main_#t~mem21#1.offset, 4); srcloc: L547-1 {16885#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:46:42,676 INFO L290 TraceCheckUtils]: 22: Hoare triple {16885#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {16885#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:46:42,677 INFO L290 TraceCheckUtils]: 23: Hoare triple {16885#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L548 {16886#(= (select |#valid| |ULTIMATE.start_main_#t~mem22#1.base|) 1)} is VALID [2022-02-20 23:46:42,677 INFO L290 TraceCheckUtils]: 24: Hoare triple {16886#(= (select |#valid| |ULTIMATE.start_main_#t~mem22#1.base|) 1)} assume !(1 == #valid[main_#t~mem22#1.base]); {16880#false} is VALID [2022-02-20 23:46:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:42,677 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:42,677 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384153193] [2022-02-20 23:46:42,677 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384153193] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:42,677 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:42,677 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:46:42,677 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463424170] [2022-02-20 23:46:42,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:42,678 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 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 23:46:42,678 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:42,679 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:42,694 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:42,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:46:42,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:42,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:46:42,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:46:42,702 INFO L87 Difference]: Start difference. First operand 167 states and 197 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:43,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:43,312 INFO L93 Difference]: Finished difference Result 168 states and 198 transitions. [2022-02-20 23:46:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:46:43,312 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 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 23:46:43,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:43,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-02-20 23:46:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 110 transitions. [2022-02-20 23:46:43,313 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 110 transitions. [2022-02-20 23:46:43,381 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:43,382 INFO L225 Difference]: With dead ends: 168 [2022-02-20 23:46:43,382 INFO L226 Difference]: Without dead ends: 168 [2022-02-20 23:46:43,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:46:43,383 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 82 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:43,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 265 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:46:43,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-02-20 23:46:43,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 166. [2022-02-20 23:46:43,385 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:43,385 INFO L82 GeneralOperation]: Start isEquivalent. First operand 168 states. Second operand has 166 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 165 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:43,385 INFO L74 IsIncluded]: Start isIncluded. First operand 168 states. Second operand has 166 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 165 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:43,385 INFO L87 Difference]: Start difference. First operand 168 states. Second operand has 166 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 165 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:43,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:43,387 INFO L93 Difference]: Finished difference Result 168 states and 198 transitions. [2022-02-20 23:46:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 198 transitions. [2022-02-20 23:46:43,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:43,387 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:43,388 INFO L74 IsIncluded]: Start isIncluded. First operand has 166 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 165 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 168 states. [2022-02-20 23:46:43,388 INFO L87 Difference]: Start difference. First operand has 166 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 165 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 168 states. [2022-02-20 23:46:43,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:43,389 INFO L93 Difference]: Finished difference Result 168 states and 198 transitions. [2022-02-20 23:46:43,389 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 198 transitions. [2022-02-20 23:46:43,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:43,390 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:43,390 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:43,390 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 137 states have (on average 1.4306569343065694) internal successors, (196), 165 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:43,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2022-02-20 23:46:43,391 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 25 [2022-02-20 23:46:43,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:43,392 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2022-02-20 23:46:43,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2022-02-20 23:46:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-02-20 23:46:43,392 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:43,392 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:43,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-02-20 23:46:43,393 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr35REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:43,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:43,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1022919461, now seen corresponding path program 1 times [2022-02-20 23:46:43,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:43,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969601461] [2022-02-20 23:46:43,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:43,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:43,528 INFO L290 TraceCheckUtils]: 0: Hoare triple {17571#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(13, 2); {17571#true} is VALID [2022-02-20 23:46:43,529 INFO L290 TraceCheckUtils]: 1: Hoare triple {17571#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {17571#true} is VALID [2022-02-20 23:46:43,529 INFO L290 TraceCheckUtils]: 2: Hoare triple {17571#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {17571#true} is VALID [2022-02-20 23:46:43,529 INFO L290 TraceCheckUtils]: 3: Hoare triple {17571#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {17571#true} is VALID [2022-02-20 23:46:43,529 INFO L290 TraceCheckUtils]: 4: Hoare triple {17571#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {17571#true} is VALID [2022-02-20 23:46:43,529 INFO L290 TraceCheckUtils]: 5: Hoare triple {17571#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {17571#true} is VALID [2022-02-20 23:46:43,529 INFO L290 TraceCheckUtils]: 6: Hoare triple {17571#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,529 INFO L290 TraceCheckUtils]: 7: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,530 INFO L290 TraceCheckUtils]: 8: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short7#1; {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,530 INFO L290 TraceCheckUtils]: 9: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,530 INFO L290 TraceCheckUtils]: 10: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,531 INFO L290 TraceCheckUtils]: 11: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,531 INFO L290 TraceCheckUtils]: 12: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,531 INFO L290 TraceCheckUtils]: 13: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,531 INFO L290 TraceCheckUtils]: 14: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,532 INFO L290 TraceCheckUtils]: 15: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,532 INFO L290 TraceCheckUtils]: 16: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:43,533 INFO L290 TraceCheckUtils]: 17: Hoare triple {17573#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {17574#(and (= |ULTIMATE.start_main_#t~malloc20#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc20#1.base|)))} is VALID [2022-02-20 23:46:43,533 INFO L290 TraceCheckUtils]: 18: Hoare triple {17574#(and (= |ULTIMATE.start_main_#t~malloc20#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc20#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {17575#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} is VALID [2022-02-20 23:46:43,534 INFO L290 TraceCheckUtils]: 19: Hoare triple {17575#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {17575#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} is VALID [2022-02-20 23:46:43,534 INFO L290 TraceCheckUtils]: 20: Hoare triple {17575#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {17576#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)))} is VALID [2022-02-20 23:46:43,535 INFO L290 TraceCheckUtils]: 21: Hoare triple {17576#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem21#1.base, main_#t~mem21#1.offset, 4); srcloc: L547-1 {17577#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} is VALID [2022-02-20 23:46:43,536 INFO L290 TraceCheckUtils]: 22: Hoare triple {17577#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {17577#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} is VALID [2022-02-20 23:46:43,536 INFO L290 TraceCheckUtils]: 23: Hoare triple {17577#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L548 {17578#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem22#1.base|)) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} is VALID [2022-02-20 23:46:43,537 INFO L290 TraceCheckUtils]: 24: Hoare triple {17578#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem22#1.base|)) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} assume !(4 + (4 + main_#t~mem22#1.offset) <= #length[main_#t~mem22#1.base] && 0 <= 4 + main_#t~mem22#1.offset); {17572#false} is VALID [2022-02-20 23:46:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:43,537 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:43,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969601461] [2022-02-20 23:46:43,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969601461] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:46:43,537 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:46:43,537 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:46:43,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303098881] [2022-02-20 23:46:43,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:46:43,538 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 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 23:46:43,538 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:43,538 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:43,555 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:43,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:46:43,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:43,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:46:43,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:46:43,556 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:44,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:44,208 INFO L93 Difference]: Finished difference Result 167 states and 197 transitions. [2022-02-20 23:46:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:46:44,208 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 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 23:46:44,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:44,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2022-02-20 23:46:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2022-02-20 23:46:44,210 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 109 transitions. [2022-02-20 23:46:44,287 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:44,288 INFO L225 Difference]: With dead ends: 167 [2022-02-20 23:46:44,289 INFO L226 Difference]: Without dead ends: 167 [2022-02-20 23:46:44,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:46:44,289 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 79 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:44,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 255 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:46:44,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-02-20 23:46:44,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2022-02-20 23:46:44,291 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:44,292 INFO L82 GeneralOperation]: Start isEquivalent. First operand 167 states. Second operand has 165 states, 137 states have (on average 1.4233576642335766) internal successors, (195), 164 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:44,292 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states. Second operand has 165 states, 137 states have (on average 1.4233576642335766) internal successors, (195), 164 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:44,292 INFO L87 Difference]: Start difference. First operand 167 states. Second operand has 165 states, 137 states have (on average 1.4233576642335766) internal successors, (195), 164 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:44,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:44,293 INFO L93 Difference]: Finished difference Result 167 states and 197 transitions. [2022-02-20 23:46:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2022-02-20 23:46:44,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:44,294 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:44,294 INFO L74 IsIncluded]: Start isIncluded. First operand has 165 states, 137 states have (on average 1.4233576642335766) internal successors, (195), 164 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 167 states. [2022-02-20 23:46:44,294 INFO L87 Difference]: Start difference. First operand has 165 states, 137 states have (on average 1.4233576642335766) internal successors, (195), 164 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 167 states. [2022-02-20 23:46:44,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:44,296 INFO L93 Difference]: Finished difference Result 167 states and 197 transitions. [2022-02-20 23:46:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2022-02-20 23:46:44,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:44,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:44,296 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:44,296 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:44,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 137 states have (on average 1.4233576642335766) internal successors, (195), 164 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 195 transitions. [2022-02-20 23:46:44,298 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 195 transitions. Word has length 25 [2022-02-20 23:46:44,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:44,298 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 195 transitions. [2022-02-20 23:46:44,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 195 transitions. [2022-02-20 23:46:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:46:44,299 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:44,299 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:44,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-20 23:46:44,299 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:44,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:44,300 INFO L85 PathProgramCache]: Analyzing trace with hash -756843594, now seen corresponding path program 1 times [2022-02-20 23:46:44,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:44,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892196615] [2022-02-20 23:46:44,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:44,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:44,442 INFO L290 TraceCheckUtils]: 0: Hoare triple {18259#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(13, 2); {18259#true} is VALID [2022-02-20 23:46:44,442 INFO L290 TraceCheckUtils]: 1: Hoare triple {18259#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {18261#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:44,442 INFO L290 TraceCheckUtils]: 2: Hoare triple {18261#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {18261#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:44,443 INFO L290 TraceCheckUtils]: 3: Hoare triple {18261#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {18261#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:44,443 INFO L290 TraceCheckUtils]: 4: Hoare triple {18261#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {18261#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:44,443 INFO L290 TraceCheckUtils]: 5: Hoare triple {18261#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,444 INFO L290 TraceCheckUtils]: 6: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,444 INFO L290 TraceCheckUtils]: 7: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,445 INFO L290 TraceCheckUtils]: 8: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,445 INFO L290 TraceCheckUtils]: 9: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,445 INFO L290 TraceCheckUtils]: 10: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,446 INFO L290 TraceCheckUtils]: 11: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,446 INFO L290 TraceCheckUtils]: 12: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,447 INFO L290 TraceCheckUtils]: 13: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,447 INFO L290 TraceCheckUtils]: 14: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,447 INFO L290 TraceCheckUtils]: 15: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,448 INFO L290 TraceCheckUtils]: 16: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,448 INFO L290 TraceCheckUtils]: 17: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,449 INFO L290 TraceCheckUtils]: 18: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,449 INFO L290 TraceCheckUtils]: 19: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,450 INFO L290 TraceCheckUtils]: 20: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,450 INFO L290 TraceCheckUtils]: 21: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,451 INFO L290 TraceCheckUtils]: 22: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {18263#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem17#1.base|) (= |ULTIMATE.start_main_#t~mem17#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))))} is VALID [2022-02-20 23:46:44,451 INFO L290 TraceCheckUtils]: 23: Hoare triple {18263#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem17#1.base|) (= |ULTIMATE.start_main_#t~mem17#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {18264#(or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0)) (not |ULTIMATE.start_main_#t~short19#1|))} is VALID [2022-02-20 23:46:44,452 INFO L290 TraceCheckUtils]: 24: Hoare triple {18264#(or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0)) (not |ULTIMATE.start_main_#t~short19#1|))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:44,452 INFO L290 TraceCheckUtils]: 25: Hoare triple {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:44,452 INFO L290 TraceCheckUtils]: 26: Hoare triple {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:44,453 INFO L290 TraceCheckUtils]: 27: Hoare triple {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,453 INFO L290 TraceCheckUtils]: 28: Hoare triple {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,454 INFO L290 TraceCheckUtils]: 29: Hoare triple {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,454 INFO L290 TraceCheckUtils]: 30: Hoare triple {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} assume main_#t~short7#1; {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,455 INFO L290 TraceCheckUtils]: 31: Hoare triple {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L534-3 {18267#(and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,455 INFO L290 TraceCheckUtils]: 32: Hoare triple {18267#(and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} main_#t~short7#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {18268#(and (not |ULTIMATE.start_main_#t~short7#1|) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,455 INFO L290 TraceCheckUtils]: 33: Hoare triple {18268#(and (not |ULTIMATE.start_main_#t~short7#1|) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} assume !!main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647; {18260#false} is VALID [2022-02-20 23:46:44,455 INFO L290 TraceCheckUtils]: 34: Hoare triple {18260#false} assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1; {18260#false} is VALID [2022-02-20 23:46:44,456 INFO L290 TraceCheckUtils]: 35: Hoare triple {18260#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L538 {18260#false} is VALID [2022-02-20 23:46:44,456 INFO L290 TraceCheckUtils]: 36: Hoare triple {18260#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {18260#false} is VALID [2022-02-20 23:46:44,456 INFO L290 TraceCheckUtils]: 37: Hoare triple {18260#false} assume !(1 == #valid[main_~n~0#1.base]); {18260#false} is VALID [2022-02-20 23:46:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:44,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:44,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892196615] [2022-02-20 23:46:44,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892196615] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:44,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625412433] [2022-02-20 23:46:44,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:44,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:44,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:44,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:46:44,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 23:46:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:44,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-20 23:46:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:44,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:44,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:46:44,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:46:44,936 INFO L290 TraceCheckUtils]: 0: Hoare triple {18259#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(13, 2); {18259#true} is VALID [2022-02-20 23:46:44,936 INFO L290 TraceCheckUtils]: 1: Hoare triple {18259#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:44,936 INFO L290 TraceCheckUtils]: 2: Hoare triple {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:44,937 INFO L290 TraceCheckUtils]: 3: Hoare triple {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:44,937 INFO L290 TraceCheckUtils]: 4: Hoare triple {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:44,938 INFO L290 TraceCheckUtils]: 5: Hoare triple {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {18288#(and (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,938 INFO L290 TraceCheckUtils]: 6: Hoare triple {18288#(and (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,939 INFO L290 TraceCheckUtils]: 7: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,939 INFO L290 TraceCheckUtils]: 8: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,939 INFO L290 TraceCheckUtils]: 9: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,940 INFO L290 TraceCheckUtils]: 10: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,940 INFO L290 TraceCheckUtils]: 11: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,941 INFO L290 TraceCheckUtils]: 12: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,941 INFO L290 TraceCheckUtils]: 13: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,942 INFO L290 TraceCheckUtils]: 14: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,942 INFO L290 TraceCheckUtils]: 15: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,943 INFO L290 TraceCheckUtils]: 16: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,943 INFO L290 TraceCheckUtils]: 17: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,943 INFO L290 TraceCheckUtils]: 18: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,944 INFO L290 TraceCheckUtils]: 19: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,944 INFO L290 TraceCheckUtils]: 20: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,945 INFO L290 TraceCheckUtils]: 21: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:44,945 INFO L290 TraceCheckUtils]: 22: Hoare triple {18262#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {18263#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem17#1.base|) (= |ULTIMATE.start_main_#t~mem17#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))))} is VALID [2022-02-20 23:46:44,946 INFO L290 TraceCheckUtils]: 23: Hoare triple {18263#(and (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_#t~mem17#1.base|) (= |ULTIMATE.start_main_#t~mem17#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {18343#(and (or (and (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))) (not |ULTIMATE.start_main_#t~short19#1|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) |ULTIMATE.start_main_#t~short19#1| (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,947 INFO L290 TraceCheckUtils]: 24: Hoare triple {18343#(and (or (and (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))) (not |ULTIMATE.start_main_#t~short19#1|)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) |ULTIMATE.start_main_#t~short19#1| (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:44,947 INFO L290 TraceCheckUtils]: 25: Hoare triple {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:44,948 INFO L290 TraceCheckUtils]: 26: Hoare triple {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:44,948 INFO L290 TraceCheckUtils]: 27: Hoare triple {18265#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {18356#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) 4) 0))} is VALID [2022-02-20 23:46:44,949 INFO L290 TraceCheckUtils]: 28: Hoare triple {18356#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) 4) 0) (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) 4) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,949 INFO L290 TraceCheckUtils]: 29: Hoare triple {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,950 INFO L290 TraceCheckUtils]: 30: Hoare triple {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} assume main_#t~short7#1; {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:46:44,950 INFO L290 TraceCheckUtils]: 31: Hoare triple {18266#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L534-3 {18369#(and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:46:44,951 INFO L290 TraceCheckUtils]: 32: Hoare triple {18369#(and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} main_#t~short7#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {18373#(not |ULTIMATE.start_main_#t~short7#1|)} is VALID [2022-02-20 23:46:44,951 INFO L290 TraceCheckUtils]: 33: Hoare triple {18373#(not |ULTIMATE.start_main_#t~short7#1|)} assume !!main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647; {18260#false} is VALID [2022-02-20 23:46:44,951 INFO L290 TraceCheckUtils]: 34: Hoare triple {18260#false} assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1; {18260#false} is VALID [2022-02-20 23:46:44,951 INFO L290 TraceCheckUtils]: 35: Hoare triple {18260#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L538 {18260#false} is VALID [2022-02-20 23:46:44,951 INFO L290 TraceCheckUtils]: 36: Hoare triple {18260#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {18260#false} is VALID [2022-02-20 23:46:44,952 INFO L290 TraceCheckUtils]: 37: Hoare triple {18260#false} assume !(1 == #valid[main_~n~0#1.base]); {18260#false} is VALID [2022-02-20 23:46:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:44,952 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:45,671 INFO L356 Elim1Store]: treesize reduction 8, result has 46.7 percent of original size [2022-02-20 23:46:45,671 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 30 treesize of output 25 [2022-02-20 23:46:45,702 INFO L356 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2022-02-20 23:46:45,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2022-02-20 23:46:46,285 INFO L290 TraceCheckUtils]: 37: Hoare triple {18260#false} assume !(1 == #valid[main_~n~0#1.base]); {18260#false} is VALID [2022-02-20 23:46:46,285 INFO L290 TraceCheckUtils]: 36: Hoare triple {18260#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {18260#false} is VALID [2022-02-20 23:46:46,285 INFO L290 TraceCheckUtils]: 35: Hoare triple {18260#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L538 {18260#false} is VALID [2022-02-20 23:46:46,285 INFO L290 TraceCheckUtils]: 34: Hoare triple {18260#false} assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1; {18260#false} is VALID [2022-02-20 23:46:46,287 INFO L290 TraceCheckUtils]: 33: Hoare triple {18373#(not |ULTIMATE.start_main_#t~short7#1|)} assume !!main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647; {18260#false} is VALID [2022-02-20 23:46:46,287 INFO L290 TraceCheckUtils]: 32: Hoare triple {18369#(and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} main_#t~short7#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {18373#(not |ULTIMATE.start_main_#t~short7#1|)} is VALID [2022-02-20 23:46:46,288 INFO L290 TraceCheckUtils]: 31: Hoare triple {18407#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L534-3 {18369#(and (= |ULTIMATE.start_main_#t~mem6#1.offset| 0) (= |ULTIMATE.start_main_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:46:46,288 INFO L290 TraceCheckUtils]: 30: Hoare triple {18407#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} assume main_#t~short7#1; {18407#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:46,289 INFO L290 TraceCheckUtils]: 29: Hoare triple {18407#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {18407#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:46,289 INFO L290 TraceCheckUtils]: 28: Hoare triple {18417#(or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0)) (not (<= 0 |ULTIMATE.start_main_~n~0#1.offset|)))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {18407#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0))} is VALID [2022-02-20 23:46:46,290 INFO L290 TraceCheckUtils]: 27: Hoare triple {18421#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|))))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {18417#(or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) 0)) (not (<= 0 |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:46:46,291 INFO L290 TraceCheckUtils]: 26: Hoare triple {18421#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|))))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {18421#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:46:46,292 INFO L290 TraceCheckUtils]: 25: Hoare triple {18421#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|))))} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {18421#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:46:46,292 INFO L290 TraceCheckUtils]: 24: Hoare triple {18431#(or (not |ULTIMATE.start_main_#t~short19#1|) (forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|)))))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {18421#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:46:46,293 INFO L290 TraceCheckUtils]: 23: Hoare triple {18435#(or (not (= |ULTIMATE.start_main_#t~mem17#1.base| 0)) (not (= |ULTIMATE.start_main_#t~mem17#1.offset| 0)) (forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|)))))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {18431#(or (not |ULTIMATE.start_main_#t~short19#1|) (forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|)))))} is VALID [2022-02-20 23:46:46,294 INFO L290 TraceCheckUtils]: 22: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {18435#(or (not (= |ULTIMATE.start_main_#t~mem17#1.base| 0)) (not (= |ULTIMATE.start_main_#t~mem17#1.offset| 0)) (forall ((|v_ULTIMATE.start_main_~n~0#1.offset_54| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_54|)) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_54| 4)) 0)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_54| |ULTIMATE.start_main_~root~0#1.offset|)))))} is VALID [2022-02-20 23:46:46,294 INFO L290 TraceCheckUtils]: 21: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,295 INFO L290 TraceCheckUtils]: 20: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,296 INFO L290 TraceCheckUtils]: 19: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,296 INFO L290 TraceCheckUtils]: 18: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,297 INFO L290 TraceCheckUtils]: 17: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,297 INFO L290 TraceCheckUtils]: 16: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,298 INFO L290 TraceCheckUtils]: 15: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,299 INFO L290 TraceCheckUtils]: 14: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,299 INFO L290 TraceCheckUtils]: 13: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,300 INFO L290 TraceCheckUtils]: 12: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,300 INFO L290 TraceCheckUtils]: 11: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,301 INFO L290 TraceCheckUtils]: 10: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,301 INFO L290 TraceCheckUtils]: 9: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,302 INFO L290 TraceCheckUtils]: 8: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} assume !main_#t~short7#1; {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,302 INFO L290 TraceCheckUtils]: 7: Hoare triple {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,303 INFO L290 TraceCheckUtils]: 6: Hoare triple {18488#(or (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (<= 0 |ULTIMATE.start_main_~n~0#1.offset|)))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {18439#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:46:46,303 INFO L290 TraceCheckUtils]: 5: Hoare triple {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {18488#(or (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (<= 0 |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:46:46,303 INFO L290 TraceCheckUtils]: 4: Hoare triple {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:46,304 INFO L290 TraceCheckUtils]: 3: Hoare triple {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:46,304 INFO L290 TraceCheckUtils]: 2: Hoare triple {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:46,304 INFO L290 TraceCheckUtils]: 1: Hoare triple {18259#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {18275#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:46,304 INFO L290 TraceCheckUtils]: 0: Hoare triple {18259#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(13, 2); {18259#true} is VALID [2022-02-20 23:46:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:46,305 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625412433] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:46,305 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:46,305 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 23 [2022-02-20 23:46:46,305 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754960694] [2022-02-20 23:46:46,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:46,306 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 23:46:46,306 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:46,306 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:46,383 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:46,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-20 23:46:46,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:46,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-20 23:46:46,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2022-02-20 23:46:46,384 INFO L87 Difference]: Start difference. First operand 165 states and 195 transitions. Second operand has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:48,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:48,379 INFO L93 Difference]: Finished difference Result 270 states and 313 transitions. [2022-02-20 23:46:48,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:46:48,379 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-02-20 23:46:48,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:48,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:48,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 273 transitions. [2022-02-20 23:46:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:48,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 273 transitions. [2022-02-20 23:46:48,382 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 273 transitions. [2022-02-20 23:46:48,563 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 273 edges. 273 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:48,566 INFO L225 Difference]: With dead ends: 270 [2022-02-20 23:46:48,566 INFO L226 Difference]: Without dead ends: 270 [2022-02-20 23:46:48,567 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 63 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=917, Unknown=0, NotChecked=0, Total=1190 [2022-02-20 23:46:48,567 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 510 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 115 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:48,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [510 Valid, 959 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 866 Invalid, 0 Unknown, 115 Unchecked, 0.6s Time] [2022-02-20 23:46:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-02-20 23:46:48,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 189. [2022-02-20 23:46:48,569 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:48,570 INFO L82 GeneralOperation]: Start isEquivalent. First operand 270 states. Second operand has 189 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 188 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:48,570 INFO L74 IsIncluded]: Start isIncluded. First operand 270 states. Second operand has 189 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 188 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:48,570 INFO L87 Difference]: Start difference. First operand 270 states. Second operand has 189 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 188 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:48,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:48,573 INFO L93 Difference]: Finished difference Result 270 states and 313 transitions. [2022-02-20 23:46:48,573 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 313 transitions. [2022-02-20 23:46:48,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:48,573 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:48,574 INFO L74 IsIncluded]: Start isIncluded. First operand has 189 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 188 states have internal predecessors, (223), 0 states have call successors, (0), 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 270 states. [2022-02-20 23:46:48,574 INFO L87 Difference]: Start difference. First operand has 189 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 188 states have internal predecessors, (223), 0 states have call successors, (0), 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 270 states. [2022-02-20 23:46:48,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:48,577 INFO L93 Difference]: Finished difference Result 270 states and 313 transitions. [2022-02-20 23:46:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 313 transitions. [2022-02-20 23:46:48,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:48,577 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:48,577 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:48,578 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:48,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 188 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:48,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 223 transitions. [2022-02-20 23:46:48,579 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 223 transitions. Word has length 38 [2022-02-20 23:46:48,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:48,580 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 223 transitions. [2022-02-20 23:46:48,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.391304347826087) internal successors, (78), 23 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:48,580 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 223 transitions. [2022-02-20 23:46:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:46:48,580 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:48,580 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:48,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 23:46:48,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-02-20 23:46:48,793 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:48,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:48,794 INFO L85 PathProgramCache]: Analyzing trace with hash 734177974, now seen corresponding path program 1 times [2022-02-20 23:46:48,794 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:48,794 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246653234] [2022-02-20 23:46:48,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:48,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:49,009 INFO L290 TraceCheckUtils]: 0: Hoare triple {19531#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(13, 2); {19531#true} is VALID [2022-02-20 23:46:49,009 INFO L290 TraceCheckUtils]: 1: Hoare triple {19531#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {19531#true} is VALID [2022-02-20 23:46:49,009 INFO L290 TraceCheckUtils]: 2: Hoare triple {19531#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {19531#true} is VALID [2022-02-20 23:46:49,009 INFO L290 TraceCheckUtils]: 3: Hoare triple {19531#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {19531#true} is VALID [2022-02-20 23:46:49,009 INFO L290 TraceCheckUtils]: 4: Hoare triple {19531#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {19531#true} is VALID [2022-02-20 23:46:49,010 INFO L290 TraceCheckUtils]: 5: Hoare triple {19531#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {19533#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,010 INFO L290 TraceCheckUtils]: 6: Hoare triple {19533#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {19534#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,011 INFO L290 TraceCheckUtils]: 7: Hoare triple {19534#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {19535#(and (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) |ULTIMATE.start_main_#t~short7#1|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:46:49,011 INFO L290 TraceCheckUtils]: 8: Hoare triple {19535#(and (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) |ULTIMATE.start_main_#t~short7#1|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} assume !main_#t~short7#1; {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,012 INFO L290 TraceCheckUtils]: 9: Hoare triple {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,012 INFO L290 TraceCheckUtils]: 10: Hoare triple {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,013 INFO L290 TraceCheckUtils]: 11: Hoare triple {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,013 INFO L290 TraceCheckUtils]: 12: Hoare triple {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,014 INFO L290 TraceCheckUtils]: 13: Hoare triple {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,014 INFO L290 TraceCheckUtils]: 14: Hoare triple {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,015 INFO L290 TraceCheckUtils]: 15: Hoare triple {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,015 INFO L290 TraceCheckUtils]: 16: Hoare triple {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,016 INFO L290 TraceCheckUtils]: 17: Hoare triple {19536#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {19537#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,017 INFO L290 TraceCheckUtils]: 18: Hoare triple {19537#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {19538#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,017 INFO L290 TraceCheckUtils]: 19: Hoare triple {19538#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {19538#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,018 INFO L290 TraceCheckUtils]: 20: Hoare triple {19538#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {19539#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_#t~mem21#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,019 INFO L290 TraceCheckUtils]: 21: Hoare triple {19539#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_#t~mem21#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem21#1.base, main_#t~mem21#1.offset, 4); srcloc: L547-1 {19538#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,019 INFO L290 TraceCheckUtils]: 22: Hoare triple {19538#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {19538#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,020 INFO L290 TraceCheckUtils]: 23: Hoare triple {19538#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L548 {19540#(and (not (= |ULTIMATE.start_main_#t~mem22#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,021 INFO L290 TraceCheckUtils]: 24: Hoare triple {19540#(and (not (= |ULTIMATE.start_main_#t~mem22#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem22#1.base, 4 + main_#t~mem22#1.offset, 4); srcloc: L548-1 {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,021 INFO L290 TraceCheckUtils]: 25: Hoare triple {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,021 INFO L290 TraceCheckUtils]: 26: Hoare triple {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,022 INFO L290 TraceCheckUtils]: 27: Hoare triple {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {19542#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,022 INFO L290 TraceCheckUtils]: 28: Hoare triple {19542#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {19543#(and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0))} is VALID [2022-02-20 23:46:49,023 INFO L290 TraceCheckUtils]: 29: Hoare triple {19543#(and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {19544#(not |ULTIMATE.start_main_#t~short7#1|)} is VALID [2022-02-20 23:46:49,023 INFO L290 TraceCheckUtils]: 30: Hoare triple {19544#(not |ULTIMATE.start_main_#t~short7#1|)} assume main_#t~short7#1; {19532#false} is VALID [2022-02-20 23:46:49,023 INFO L290 TraceCheckUtils]: 31: Hoare triple {19532#false} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L534-3 {19532#false} is VALID [2022-02-20 23:46:49,023 INFO L290 TraceCheckUtils]: 32: Hoare triple {19532#false} main_#t~short7#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {19532#false} is VALID [2022-02-20 23:46:49,023 INFO L290 TraceCheckUtils]: 33: Hoare triple {19532#false} assume !!main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647; {19532#false} is VALID [2022-02-20 23:46:49,024 INFO L290 TraceCheckUtils]: 34: Hoare triple {19532#false} assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1; {19532#false} is VALID [2022-02-20 23:46:49,024 INFO L290 TraceCheckUtils]: 35: Hoare triple {19532#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L538 {19532#false} is VALID [2022-02-20 23:46:49,024 INFO L290 TraceCheckUtils]: 36: Hoare triple {19532#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {19532#false} is VALID [2022-02-20 23:46:49,024 INFO L290 TraceCheckUtils]: 37: Hoare triple {19532#false} assume !(1 == #valid[main_~n~0#1.base]); {19532#false} is VALID [2022-02-20 23:46:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:49,024 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:49,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246653234] [2022-02-20 23:46:49,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246653234] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:49,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034041474] [2022-02-20 23:46:49,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:49,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:49,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:49,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:46:49,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 23:46:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:49,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 41 conjunts are in the unsatisfiable core [2022-02-20 23:46:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:49,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:49,449 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:46:49,449 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:46:49,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:49,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:46:49,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:46:49,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-20 23:46:49,636 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:46:49,637 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 42 treesize of output 41 [2022-02-20 23:46:49,642 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 20 treesize of output 22 [2022-02-20 23:46:49,726 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:46:49,726 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 42 treesize of output 41 [2022-02-20 23:46:49,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-02-20 23:46:49,853 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 23 treesize of output 11 [2022-02-20 23:46:49,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:46:49,890 INFO L290 TraceCheckUtils]: 0: Hoare triple {19531#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(13, 2); {19531#true} is VALID [2022-02-20 23:46:49,891 INFO L290 TraceCheckUtils]: 1: Hoare triple {19531#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {19551#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:49,891 INFO L290 TraceCheckUtils]: 2: Hoare triple {19551#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {19551#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:49,891 INFO L290 TraceCheckUtils]: 3: Hoare triple {19551#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {19551#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:49,891 INFO L290 TraceCheckUtils]: 4: Hoare triple {19551#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {19551#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:49,892 INFO L290 TraceCheckUtils]: 5: Hoare triple {19551#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {19564#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,892 INFO L290 TraceCheckUtils]: 6: Hoare triple {19564#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {19568#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,893 INFO L290 TraceCheckUtils]: 7: Hoare triple {19568#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {19572#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not |ULTIMATE.start_main_#t~short7#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (and (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))) |ULTIMATE.start_main_#t~short7#1|)) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,893 INFO L290 TraceCheckUtils]: 8: Hoare triple {19572#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not |ULTIMATE.start_main_#t~short7#1|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (and (or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))) |ULTIMATE.start_main_#t~short7#1|)) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,894 INFO L290 TraceCheckUtils]: 9: Hoare triple {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,894 INFO L290 TraceCheckUtils]: 10: Hoare triple {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,895 INFO L290 TraceCheckUtils]: 11: Hoare triple {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,895 INFO L290 TraceCheckUtils]: 12: Hoare triple {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,896 INFO L290 TraceCheckUtils]: 13: Hoare triple {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,896 INFO L290 TraceCheckUtils]: 14: Hoare triple {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,897 INFO L290 TraceCheckUtils]: 15: Hoare triple {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,897 INFO L290 TraceCheckUtils]: 16: Hoare triple {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,898 INFO L290 TraceCheckUtils]: 17: Hoare triple {19576#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {19604#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,899 INFO L290 TraceCheckUtils]: 18: Hoare triple {19604#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {19608#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,899 INFO L290 TraceCheckUtils]: 19: Hoare triple {19608#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {19608#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,900 INFO L290 TraceCheckUtils]: 20: Hoare triple {19608#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {19615#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_#t~mem21#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,901 INFO L290 TraceCheckUtils]: 21: Hoare triple {19615#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_#t~mem21#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem21#1.base, main_#t~mem21#1.offset, 4); srcloc: L547-1 {19608#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,901 INFO L290 TraceCheckUtils]: 22: Hoare triple {19608#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {19608#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:49,902 INFO L290 TraceCheckUtils]: 23: Hoare triple {19608#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L548 {19625#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,902 INFO L290 TraceCheckUtils]: 24: Hoare triple {19625#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem22#1.base, 4 + main_#t~mem22#1.offset, 4); srcloc: L548-1 {19629#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,903 INFO L290 TraceCheckUtils]: 25: Hoare triple {19629#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {19629#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,903 INFO L290 TraceCheckUtils]: 26: Hoare triple {19629#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {19629#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,904 INFO L290 TraceCheckUtils]: 27: Hoare triple {19629#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {19639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:49,904 INFO L290 TraceCheckUtils]: 28: Hoare triple {19639#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {19543#(and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0))} is VALID [2022-02-20 23:46:49,905 INFO L290 TraceCheckUtils]: 29: Hoare triple {19543#(and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {19544#(not |ULTIMATE.start_main_#t~short7#1|)} is VALID [2022-02-20 23:46:49,905 INFO L290 TraceCheckUtils]: 30: Hoare triple {19544#(not |ULTIMATE.start_main_#t~short7#1|)} assume main_#t~short7#1; {19532#false} is VALID [2022-02-20 23:46:49,905 INFO L290 TraceCheckUtils]: 31: Hoare triple {19532#false} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L534-3 {19532#false} is VALID [2022-02-20 23:46:49,905 INFO L290 TraceCheckUtils]: 32: Hoare triple {19532#false} main_#t~short7#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {19532#false} is VALID [2022-02-20 23:46:49,905 INFO L290 TraceCheckUtils]: 33: Hoare triple {19532#false} assume !!main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647; {19532#false} is VALID [2022-02-20 23:46:49,905 INFO L290 TraceCheckUtils]: 34: Hoare triple {19532#false} assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1; {19532#false} is VALID [2022-02-20 23:46:49,905 INFO L290 TraceCheckUtils]: 35: Hoare triple {19532#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L538 {19532#false} is VALID [2022-02-20 23:46:49,905 INFO L290 TraceCheckUtils]: 36: Hoare triple {19532#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {19532#false} is VALID [2022-02-20 23:46:49,906 INFO L290 TraceCheckUtils]: 37: Hoare triple {19532#false} assume !(1 == #valid[main_~n~0#1.base]); {19532#false} is VALID [2022-02-20 23:46:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:49,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:49,988 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_548 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem22#1.base| v_ArrVal_548) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_549 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem22#1.base| v_ArrVal_549) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 0))) is different from false [2022-02-20 23:46:50,004 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_549 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) (+ |c_ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_548 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) (+ |c_ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 0))) is different from false [2022-02-20 23:46:50,035 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= 0 (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_547))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~n~0#1.base|) (+ |c_ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549)) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_546) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_547) |c_ULTIMATE.start_main_~n~0#1.base|) (+ |c_ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 0))) is different from false [2022-02-20 23:46:50,060 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int))) (= (select (select (let ((.cse1 (+ |c_ULTIMATE.start_main_~n~0#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) .cse1))) (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_546) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_547) |c_ULTIMATE.start_main_~n~0#1.base|) .cse1) v_ArrVal_548))) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (let ((.cse3 (+ |c_ULTIMATE.start_main_~n~0#1.offset| 4))) (let ((.cse2 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) .cse3) v_ArrVal_547))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~n~0#1.base|) .cse3) v_ArrVal_549))) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 0))) is different from false [2022-02-20 23:46:50,107 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (let ((.cse1 (+ |c_ULTIMATE.start_main_~n~0#1.offset| 4))) (let ((.cse0 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) .cse1 |c_ULTIMATE.start_main_#t~malloc20#1.base|)) |c_ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_547))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~n~0#1.base|) .cse1) v_ArrVal_549))) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (let ((.cse2 (+ |c_ULTIMATE.start_main_~n~0#1.offset| 4))) (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~n~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~n~0#1.base|) .cse2 v_ArrVal_545)) |c_ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_546) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) .cse2 |c_ULTIMATE.start_main_#t~malloc20#1.base|)) |c_ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_547) |c_ULTIMATE.start_main_~n~0#1.base|) .cse2) v_ArrVal_548)) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 0))) is different from false [2022-02-20 23:46:51,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:51,140 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:51,140 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 94 treesize of output 98 [2022-02-20 23:46:51,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:51,154 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:51,154 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 106 treesize of output 90 [2022-02-20 23:46:51,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:51,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:51,198 INFO L356 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2022-02-20 23:46:51,199 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 215 treesize of output 175 [2022-02-20 23:46:51,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:46:51,238 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-02-20 23:46:51,239 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 276 treesize of output 271 [2022-02-20 23:46:51,261 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:46:51,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-02-20 23:46:51,296 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 213 treesize of output 209 [2022-02-20 23:46:51,307 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 209 treesize of output 201 [2022-02-20 23:46:51,323 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 201 treesize of output 197 [2022-02-20 23:46:51,335 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 197 treesize of output 189 [2022-02-20 23:46:51,475 INFO L290 TraceCheckUtils]: 37: Hoare triple {19532#false} assume !(1 == #valid[main_~n~0#1.base]); {19532#false} is VALID [2022-02-20 23:46:51,475 INFO L290 TraceCheckUtils]: 36: Hoare triple {19532#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset; {19532#false} is VALID [2022-02-20 23:46:51,475 INFO L290 TraceCheckUtils]: 35: Hoare triple {19532#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L538 {19532#false} is VALID [2022-02-20 23:46:51,475 INFO L290 TraceCheckUtils]: 34: Hoare triple {19532#false} assume !(0 != main_#t~nondet8#1);havoc main_#t~nondet8#1; {19532#false} is VALID [2022-02-20 23:46:51,476 INFO L290 TraceCheckUtils]: 33: Hoare triple {19532#false} assume !!main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1;assume -2147483648 <= main_#t~nondet8#1 && main_#t~nondet8#1 <= 2147483647; {19532#false} is VALID [2022-02-20 23:46:51,476 INFO L290 TraceCheckUtils]: 32: Hoare triple {19532#false} main_#t~short7#1 := main_#t~mem6#1.base != 0 || main_#t~mem6#1.offset != 0; {19532#false} is VALID [2022-02-20 23:46:51,476 INFO L290 TraceCheckUtils]: 31: Hoare triple {19532#false} SUMMARY for call main_#t~mem6#1.base, main_#t~mem6#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L534-3 {19532#false} is VALID [2022-02-20 23:46:51,476 INFO L290 TraceCheckUtils]: 30: Hoare triple {19544#(not |ULTIMATE.start_main_#t~short7#1|)} assume main_#t~short7#1; {19532#false} is VALID [2022-02-20 23:46:51,476 INFO L290 TraceCheckUtils]: 29: Hoare triple {19543#(and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {19544#(not |ULTIMATE.start_main_#t~short7#1|)} is VALID [2022-02-20 23:46:51,477 INFO L290 TraceCheckUtils]: 28: Hoare triple {19542#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {19543#(and (= |ULTIMATE.start_main_#t~mem5#1.base| 0) (= |ULTIMATE.start_main_#t~mem5#1.offset| 0))} is VALID [2022-02-20 23:46:51,477 INFO L290 TraceCheckUtils]: 27: Hoare triple {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {19542#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:46:51,477 INFO L290 TraceCheckUtils]: 26: Hoare triple {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:51,478 INFO L290 TraceCheckUtils]: 25: Hoare triple {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:51,479 INFO L290 TraceCheckUtils]: 24: Hoare triple {19709#(and (forall ((v_ArrVal_549 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base| v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_548 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base| v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem22#1.base, 4 + main_#t~mem22#1.offset, 4); srcloc: L548-1 {19541#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:46:51,479 INFO L290 TraceCheckUtils]: 23: Hoare triple {19713#(and (forall ((v_ArrVal_549 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_548 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L548 {19709#(and (forall ((v_ArrVal_549 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base| v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_548 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base| v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:51,480 INFO L290 TraceCheckUtils]: 22: Hoare triple {19713#(and (forall ((v_ArrVal_549 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_548 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {19713#(and (forall ((v_ArrVal_549 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_548 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:51,481 INFO L290 TraceCheckUtils]: 21: Hoare triple {19720#(and (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int))) (= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_546) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_547) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem21#1.base, main_#t~mem21#1.offset, 4); srcloc: L547-1 {19713#(and (forall ((v_ArrVal_549 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_548 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:51,482 INFO L290 TraceCheckUtils]: 20: Hoare triple {19724#(and (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int))) (= 0 (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_546) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {19720#(and (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int))) (= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_546) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_547) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:51,483 INFO L290 TraceCheckUtils]: 19: Hoare triple {19724#(and (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int))) (= 0 (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_546) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {19724#(and (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int))) (= 0 (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_546) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:51,484 INFO L290 TraceCheckUtils]: 18: Hoare triple {19731#(and (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |ULTIMATE.start_main_#t~malloc20#1.base|)) |ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |ULTIMATE.start_main_#t~malloc20#1.base|)) |ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |ULTIMATE.start_main_#t~malloc20#1.base|)) |ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {19724#(and (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int))) (= 0 (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_546) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:51,488 INFO L290 TraceCheckUtils]: 17: Hoare triple {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {19731#(and (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |ULTIMATE.start_main_#t~malloc20#1.base|)) |ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |ULTIMATE.start_main_#t~malloc20#1.base|)) |ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |ULTIMATE.start_main_#t~malloc20#1.base|)) |ULTIMATE.start_main_#t~malloc20#1.base| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)))} is VALID [2022-02-20 23:46:51,491 WARN L290 TraceCheckUtils]: 16: Hoare triple {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} is UNKNOWN [2022-02-20 23:46:51,498 WARN L290 TraceCheckUtils]: 15: Hoare triple {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} is UNKNOWN [2022-02-20 23:46:51,505 INFO L290 TraceCheckUtils]: 14: Hoare triple {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} is VALID [2022-02-20 23:46:51,518 WARN L290 TraceCheckUtils]: 13: Hoare triple {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} is UNKNOWN [2022-02-20 23:46:51,522 WARN L290 TraceCheckUtils]: 12: Hoare triple {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} is UNKNOWN [2022-02-20 23:46:51,528 WARN L290 TraceCheckUtils]: 11: Hoare triple {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} is UNKNOWN [2022-02-20 23:46:51,532 WARN L290 TraceCheckUtils]: 10: Hoare triple {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} is UNKNOWN [2022-02-20 23:46:51,537 WARN L290 TraceCheckUtils]: 9: Hoare triple {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} is UNKNOWN [2022-02-20 23:46:51,551 WARN L290 TraceCheckUtils]: 8: Hoare triple {19763#(or |ULTIMATE.start_main_#t~short7#1| (forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0)))))} assume !main_#t~short7#1; {19735#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0))))} is UNKNOWN [2022-02-20 23:46:51,564 WARN L290 TraceCheckUtils]: 7: Hoare triple {19767#(or (forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0)))) (not (= |ULTIMATE.start_main_#t~mem5#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem5#1.base| 0)))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {19763#(or |ULTIMATE.start_main_#t~short7#1| (forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0)))))} is UNKNOWN [2022-02-20 23:46:51,566 INFO L290 TraceCheckUtils]: 6: Hoare triple {19771#(or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (<= 0 |ULTIMATE.start_main_~n~0#1.offset|)))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {19767#(or (forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_8| Int)) (or (and (forall ((v_ArrVal_547 (Array Int Int)) (v_ArrVal_549 (Array Int Int))) (= (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_549) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0)) (forall ((v_ArrVal_546 (Array Int Int)) (v_ArrVal_548 (Array Int Int)) (v_ArrVal_547 (Array Int Int)) (v_ArrVal_545 Int)) (= (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) v_ArrVal_545)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_546) (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4) |v_ULTIMATE.start_main_#t~malloc20#1.base_8|)) |v_ULTIMATE.start_main_#t~malloc20#1.base_8| v_ArrVal_547) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_548) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_8|) 0)))) (not (= |ULTIMATE.start_main_#t~mem5#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem5#1.base| 0)))} is VALID [2022-02-20 23:46:51,566 INFO L290 TraceCheckUtils]: 5: Hoare triple {19531#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {19771#(or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (<= 0 |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:46:51,566 INFO L290 TraceCheckUtils]: 4: Hoare triple {19531#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {19531#true} is VALID [2022-02-20 23:46:51,566 INFO L290 TraceCheckUtils]: 3: Hoare triple {19531#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {19531#true} is VALID [2022-02-20 23:46:51,566 INFO L290 TraceCheckUtils]: 2: Hoare triple {19531#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {19531#true} is VALID [2022-02-20 23:46:51,566 INFO L290 TraceCheckUtils]: 1: Hoare triple {19531#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {19531#true} is VALID [2022-02-20 23:46:51,567 INFO L290 TraceCheckUtils]: 0: Hoare triple {19531#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(13, 2); {19531#true} is VALID [2022-02-20 23:46:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:51,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034041474] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:51,567 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:51,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15, 15] total 34 [2022-02-20 23:46:51,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300388456] [2022-02-20 23:46:51,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:51,568 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.5294117647058822) internal successors, (86), 34 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) Word has length 38 [2022-02-20 23:46:51,568 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:51,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 34 states, 34 states have (on average 2.5294117647058822) internal successors, (86), 34 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 23:46:51,777 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 76 inductive. 0 not inductive. 10 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:51,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-20 23:46:51,777 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:51,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-20 23:46:51,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=673, Unknown=7, NotChecked=290, Total=1122 [2022-02-20 23:46:51,785 INFO L87 Difference]: Start difference. First operand 189 states and 223 transitions. Second operand has 34 states, 34 states have (on average 2.5294117647058822) internal successors, (86), 34 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 23:46:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:55,543 INFO L93 Difference]: Finished difference Result 649 states and 767 transitions. [2022-02-20 23:46:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-20 23:46:55,544 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.5294117647058822) internal successors, (86), 34 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) Word has length 38 [2022-02-20 23:46:55,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:46:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 2.5294117647058822) internal successors, (86), 34 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 23:46:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 583 transitions. [2022-02-20 23:46:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 2.5294117647058822) internal successors, (86), 34 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 23:46:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 583 transitions. [2022-02-20 23:46:55,548 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 36 states and 583 transitions. [2022-02-20 23:46:55,968 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 583 edges. 581 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:55,980 INFO L225 Difference]: With dead ends: 649 [2022-02-20 23:46:55,980 INFO L226 Difference]: Without dead ends: 649 [2022-02-20 23:46:55,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 60 SyntacticMatches, 8 SemanticMatches, 54 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=548, Invalid=2013, Unknown=9, NotChecked=510, Total=3080 [2022-02-20 23:46:55,982 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 783 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 3219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1873 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:46:55,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [783 Valid, 1619 Invalid, 3219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1250 Invalid, 0 Unknown, 1873 Unchecked, 1.0s Time] [2022-02-20 23:46:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2022-02-20 23:46:55,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 224. [2022-02-20 23:46:55,985 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:46:55,986 INFO L82 GeneralOperation]: Start isEquivalent. First operand 649 states. Second operand has 224 states, 196 states have (on average 1.3622448979591837) internal successors, (267), 223 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:55,986 INFO L74 IsIncluded]: Start isIncluded. First operand 649 states. Second operand has 224 states, 196 states have (on average 1.3622448979591837) internal successors, (267), 223 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:55,986 INFO L87 Difference]: Start difference. First operand 649 states. Second operand has 224 states, 196 states have (on average 1.3622448979591837) internal successors, (267), 223 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:55,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:55,998 INFO L93 Difference]: Finished difference Result 649 states and 767 transitions. [2022-02-20 23:46:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 767 transitions. [2022-02-20 23:46:55,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:55,999 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:55,999 INFO L74 IsIncluded]: Start isIncluded. First operand has 224 states, 196 states have (on average 1.3622448979591837) internal successors, (267), 223 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 649 states. [2022-02-20 23:46:55,999 INFO L87 Difference]: Start difference. First operand has 224 states, 196 states have (on average 1.3622448979591837) internal successors, (267), 223 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 649 states. [2022-02-20 23:46:56,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:46:56,011 INFO L93 Difference]: Finished difference Result 649 states and 767 transitions. [2022-02-20 23:46:56,011 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 767 transitions. [2022-02-20 23:46:56,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:46:56,012 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:46:56,012 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:46:56,012 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:46:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 196 states have (on average 1.3622448979591837) internal successors, (267), 223 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 267 transitions. [2022-02-20 23:46:56,015 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 267 transitions. Word has length 38 [2022-02-20 23:46:56,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:46:56,015 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 267 transitions. [2022-02-20 23:46:56,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.5294117647058822) internal successors, (86), 34 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 23:46:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 267 transitions. [2022-02-20 23:46:56,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-20 23:46:56,016 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:46:56,016 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:46:56,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 23:46:56,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:56,240 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:46:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:46:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1594589588, now seen corresponding path program 1 times [2022-02-20 23:46:56,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:46:56,240 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530555378] [2022-02-20 23:46:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:56,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:46:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:56,455 INFO L290 TraceCheckUtils]: 0: Hoare triple {22015#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(13, 2); {22015#true} is VALID [2022-02-20 23:46:56,456 INFO L290 TraceCheckUtils]: 1: Hoare triple {22015#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {22015#true} is VALID [2022-02-20 23:46:56,456 INFO L290 TraceCheckUtils]: 2: Hoare triple {22015#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {22015#true} is VALID [2022-02-20 23:46:56,456 INFO L290 TraceCheckUtils]: 3: Hoare triple {22015#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {22015#true} is VALID [2022-02-20 23:46:56,456 INFO L290 TraceCheckUtils]: 4: Hoare triple {22015#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {22015#true} is VALID [2022-02-20 23:46:56,456 INFO L290 TraceCheckUtils]: 5: Hoare triple {22015#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {22017#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:56,457 INFO L290 TraceCheckUtils]: 6: Hoare triple {22017#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:56,457 INFO L290 TraceCheckUtils]: 7: Hoare triple {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:56,458 INFO L290 TraceCheckUtils]: 8: Hoare triple {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:56,458 INFO L290 TraceCheckUtils]: 9: Hoare triple {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:56,458 INFO L290 TraceCheckUtils]: 10: Hoare triple {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:56,459 INFO L290 TraceCheckUtils]: 11: Hoare triple {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:56,459 INFO L290 TraceCheckUtils]: 12: Hoare triple {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:56,460 INFO L290 TraceCheckUtils]: 13: Hoare triple {22018#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {22019#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_#t~malloc14#1.base|) 1) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:56,461 INFO L290 TraceCheckUtils]: 14: Hoare triple {22019#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_#t~malloc14#1.base|) 1) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {22020#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:56,461 INFO L290 TraceCheckUtils]: 15: Hoare triple {22020#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {22020#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:56,462 INFO L290 TraceCheckUtils]: 16: Hoare triple {22020#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {22021#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:56,462 INFO L290 TraceCheckUtils]: 17: Hoare triple {22021#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {22020#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:56,463 INFO L290 TraceCheckUtils]: 18: Hoare triple {22020#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {22020#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:56,463 INFO L290 TraceCheckUtils]: 19: Hoare triple {22020#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {22022#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem16#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:56,464 INFO L290 TraceCheckUtils]: 20: Hoare triple {22022#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem16#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {22023#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:56,464 INFO L290 TraceCheckUtils]: 21: Hoare triple {22023#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {22023#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:56,465 INFO L290 TraceCheckUtils]: 22: Hoare triple {22023#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,465 INFO L290 TraceCheckUtils]: 23: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,466 INFO L290 TraceCheckUtils]: 24: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,466 INFO L290 TraceCheckUtils]: 25: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,466 INFO L290 TraceCheckUtils]: 26: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,466 INFO L290 TraceCheckUtils]: 27: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,467 INFO L290 TraceCheckUtils]: 28: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,467 INFO L290 TraceCheckUtils]: 29: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,467 INFO L290 TraceCheckUtils]: 30: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,468 INFO L290 TraceCheckUtils]: 31: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,470 INFO L290 TraceCheckUtils]: 32: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} assume main_#t~short25#1; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,471 INFO L290 TraceCheckUtils]: 33: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,471 INFO L290 TraceCheckUtils]: 34: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,471 INFO L290 TraceCheckUtils]: 35: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} assume main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:56,472 INFO L290 TraceCheckUtils]: 36: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} SUMMARY for call main_#t~mem27#1.base, main_#t~mem27#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L559 {22026#(= (select |#valid| |ULTIMATE.start_main_#t~mem27#1.base|) 1)} is VALID [2022-02-20 23:46:56,472 INFO L290 TraceCheckUtils]: 37: Hoare triple {22026#(= (select |#valid| |ULTIMATE.start_main_#t~mem27#1.base|) 1)} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem27#1.base, main_#t~mem27#1.offset;havoc main_#t~mem27#1.base, main_#t~mem27#1.offset; {22027#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:56,473 INFO L290 TraceCheckUtils]: 38: Hoare triple {22027#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !(1 == #valid[main_~n~0#1.base]); {22016#false} is VALID [2022-02-20 23:46:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:56,473 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:46:56,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530555378] [2022-02-20 23:46:56,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530555378] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:46:56,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997312230] [2022-02-20 23:46:56,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:46:56,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:46:56,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:46:56,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:46:56,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 23:46:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:56,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-20 23:46:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:46:56,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:46:56,727 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:46:56,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:46:56,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:46:56,883 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:46:56,883 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 19 treesize of output 22 [2022-02-20 23:46:56,938 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:46:56,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 29 [2022-02-20 23:46:57,132 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 25 treesize of output 13 [2022-02-20 23:46:57,146 INFO L290 TraceCheckUtils]: 0: Hoare triple {22015#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(13, 2); {22015#true} is VALID [2022-02-20 23:46:57,147 INFO L290 TraceCheckUtils]: 1: Hoare triple {22015#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {22034#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:57,147 INFO L290 TraceCheckUtils]: 2: Hoare triple {22034#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {22034#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:57,147 INFO L290 TraceCheckUtils]: 3: Hoare triple {22034#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {22034#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:57,148 INFO L290 TraceCheckUtils]: 4: Hoare triple {22034#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {22034#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:46:57,148 INFO L290 TraceCheckUtils]: 5: Hoare triple {22034#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {22047#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,159 INFO L290 TraceCheckUtils]: 6: Hoare triple {22047#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,160 INFO L290 TraceCheckUtils]: 7: Hoare triple {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,161 INFO L290 TraceCheckUtils]: 8: Hoare triple {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,161 INFO L290 TraceCheckUtils]: 9: Hoare triple {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,162 INFO L290 TraceCheckUtils]: 10: Hoare triple {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,162 INFO L290 TraceCheckUtils]: 11: Hoare triple {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,163 INFO L290 TraceCheckUtils]: 12: Hoare triple {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,164 INFO L290 TraceCheckUtils]: 13: Hoare triple {22051#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {22073#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,164 INFO L290 TraceCheckUtils]: 14: Hoare triple {22073#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {22077#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,165 INFO L290 TraceCheckUtils]: 15: Hoare triple {22077#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {22077#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,166 INFO L290 TraceCheckUtils]: 16: Hoare triple {22077#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {22084#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,166 INFO L290 TraceCheckUtils]: 17: Hoare triple {22084#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {22077#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,175 INFO L290 TraceCheckUtils]: 18: Hoare triple {22077#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {22077#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:57,179 INFO L290 TraceCheckUtils]: 19: Hoare triple {22077#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {22094#(and (= |ULTIMATE.start_main_#t~mem16#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:46:57,181 INFO L290 TraceCheckUtils]: 20: Hoare triple {22094#(and (= |ULTIMATE.start_main_#t~mem16#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,181 INFO L290 TraceCheckUtils]: 21: Hoare triple {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,181 INFO L290 TraceCheckUtils]: 22: Hoare triple {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,182 INFO L290 TraceCheckUtils]: 23: Hoare triple {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,182 INFO L290 TraceCheckUtils]: 24: Hoare triple {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,183 INFO L290 TraceCheckUtils]: 25: Hoare triple {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,183 INFO L290 TraceCheckUtils]: 26: Hoare triple {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,184 INFO L290 TraceCheckUtils]: 27: Hoare triple {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,184 INFO L290 TraceCheckUtils]: 28: Hoare triple {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,184 INFO L290 TraceCheckUtils]: 29: Hoare triple {22098#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,185 INFO L290 TraceCheckUtils]: 30: Hoare triple {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,185 INFO L290 TraceCheckUtils]: 31: Hoare triple {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,186 INFO L290 TraceCheckUtils]: 32: Hoare triple {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} assume main_#t~short25#1; {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,186 INFO L290 TraceCheckUtils]: 33: Hoare triple {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,187 INFO L290 TraceCheckUtils]: 34: Hoare triple {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,187 INFO L290 TraceCheckUtils]: 35: Hoare triple {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} assume main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} is VALID [2022-02-20 23:46:57,187 INFO L290 TraceCheckUtils]: 36: Hoare triple {22126#(and (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1))} SUMMARY for call main_#t~mem27#1.base, main_#t~mem27#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L559 {22026#(= (select |#valid| |ULTIMATE.start_main_#t~mem27#1.base|) 1)} is VALID [2022-02-20 23:46:57,188 INFO L290 TraceCheckUtils]: 37: Hoare triple {22026#(= (select |#valid| |ULTIMATE.start_main_#t~mem27#1.base|) 1)} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem27#1.base, main_#t~mem27#1.offset;havoc main_#t~mem27#1.base, main_#t~mem27#1.offset; {22027#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:57,188 INFO L290 TraceCheckUtils]: 38: Hoare triple {22027#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !(1 == #valid[main_~n~0#1.base]); {22016#false} is VALID [2022-02-20 23:46:57,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:57,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:46:57,268 INFO L356 Elim1Store]: treesize reduction 5, result has 66.7 percent of original size [2022-02-20 23:46:57,269 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 19 treesize of output 18 [2022-02-20 23:46:57,276 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_621 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_621) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) |c_ULTIMATE.start_main_#t~mem16#1.base|)) is different from false [2022-02-20 23:46:57,283 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_621 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|))) (= .cse0 (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_621) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|)))) is different from false [2022-02-20 23:46:57,322 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_620))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select (store .cse0 .cse1 v_ArrVal_621) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) .cse1)))) is different from false [2022-02-20 23:46:57,336 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (let ((.cse1 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|))) (= .cse0 (select (select (store .cse1 .cse0 v_ArrVal_621) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|))))) is different from false [2022-02-20 23:46:57,349 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:57,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 36 [2022-02-20 23:46:57,361 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:57,361 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 189 [2022-02-20 23:46:57,374 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:46:57,375 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 174 treesize of output 162 [2022-02-20 23:46:57,379 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 154 treesize of output 146 [2022-02-20 23:46:57,956 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:46:57,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-02-20 23:46:57,992 INFO L290 TraceCheckUtils]: 38: Hoare triple {22027#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !(1 == #valid[main_~n~0#1.base]); {22016#false} is VALID [2022-02-20 23:46:57,992 INFO L290 TraceCheckUtils]: 37: Hoare triple {22026#(= (select |#valid| |ULTIMATE.start_main_#t~mem27#1.base|) 1)} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem27#1.base, main_#t~mem27#1.offset;havoc main_#t~mem27#1.base, main_#t~mem27#1.offset; {22027#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:46:57,993 INFO L290 TraceCheckUtils]: 36: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} SUMMARY for call main_#t~mem27#1.base, main_#t~mem27#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L559 {22026#(= (select |#valid| |ULTIMATE.start_main_#t~mem27#1.base|) 1)} is VALID [2022-02-20 23:46:57,993 INFO L290 TraceCheckUtils]: 35: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} assume main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,993 INFO L290 TraceCheckUtils]: 34: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,994 INFO L290 TraceCheckUtils]: 33: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,994 INFO L290 TraceCheckUtils]: 32: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} assume main_#t~short25#1; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,994 INFO L290 TraceCheckUtils]: 31: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,994 INFO L290 TraceCheckUtils]: 30: Hoare triple {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,995 INFO L290 TraceCheckUtils]: 29: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {22025#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,995 INFO L290 TraceCheckUtils]: 28: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,996 INFO L290 TraceCheckUtils]: 27: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,996 INFO L290 TraceCheckUtils]: 26: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,996 INFO L290 TraceCheckUtils]: 25: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,996 INFO L290 TraceCheckUtils]: 24: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,997 INFO L290 TraceCheckUtils]: 23: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,997 INFO L290 TraceCheckUtils]: 22: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,997 INFO L290 TraceCheckUtils]: 21: Hoare triple {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,998 INFO L290 TraceCheckUtils]: 20: Hoare triple {22208#(forall ((v_ArrVal_621 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem16#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {22024#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 1)} is VALID [2022-02-20 23:46:57,999 INFO L290 TraceCheckUtils]: 19: Hoare triple {22212#(forall ((v_ArrVal_621 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {22208#(forall ((v_ArrVal_621 (Array Int Int))) (= |ULTIMATE.start_main_#t~mem16#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:46:57,999 INFO L290 TraceCheckUtils]: 18: Hoare triple {22212#(forall ((v_ArrVal_621 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {22212#(forall ((v_ArrVal_621 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:46:58,000 INFO L290 TraceCheckUtils]: 17: Hoare triple {22219#(forall ((v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_620) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {22212#(forall ((v_ArrVal_621 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:46:58,001 INFO L290 TraceCheckUtils]: 16: Hoare triple {22223#(forall ((v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {22219#(forall ((v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_620) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:46:58,001 INFO L290 TraceCheckUtils]: 15: Hoare triple {22223#(forall ((v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {22223#(forall ((v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:46:58,002 INFO L290 TraceCheckUtils]: 14: Hoare triple {22230#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc14#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {22223#(forall ((v_ArrVal_621 (Array Int Int)) (v_ArrVal_620 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_620) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_621) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:46:58,003 INFO L290 TraceCheckUtils]: 13: Hoare triple {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {22230#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc14#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:58,004 INFO L290 TraceCheckUtils]: 12: Hoare triple {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} is VALID [2022-02-20 23:46:58,004 INFO L290 TraceCheckUtils]: 11: Hoare triple {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} is VALID [2022-02-20 23:46:58,005 INFO L290 TraceCheckUtils]: 10: Hoare triple {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} is VALID [2022-02-20 23:46:58,006 INFO L290 TraceCheckUtils]: 9: Hoare triple {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} is VALID [2022-02-20 23:46:58,006 INFO L290 TraceCheckUtils]: 8: Hoare triple {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} assume !main_#t~short7#1; {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} is VALID [2022-02-20 23:46:58,007 INFO L290 TraceCheckUtils]: 7: Hoare triple {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} is VALID [2022-02-20 23:46:58,008 INFO L290 TraceCheckUtils]: 6: Hoare triple {22017#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {22234#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_10| Int)) (or (and (not (= |v_ULTIMATE.start_main_#t~malloc14#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_10|) 0))))} is VALID [2022-02-20 23:46:58,009 INFO L290 TraceCheckUtils]: 5: Hoare triple {22015#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {22017#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:46:58,009 INFO L290 TraceCheckUtils]: 4: Hoare triple {22015#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {22015#true} is VALID [2022-02-20 23:46:58,009 INFO L290 TraceCheckUtils]: 3: Hoare triple {22015#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {22015#true} is VALID [2022-02-20 23:46:58,009 INFO L290 TraceCheckUtils]: 2: Hoare triple {22015#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {22015#true} is VALID [2022-02-20 23:46:58,009 INFO L290 TraceCheckUtils]: 1: Hoare triple {22015#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {22015#true} is VALID [2022-02-20 23:46:58,009 INFO L290 TraceCheckUtils]: 0: Hoare triple {22015#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(13, 2); {22015#true} is VALID [2022-02-20 23:46:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:46:58,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997312230] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:46:58,010 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:46:58,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-20 23:46:58,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86126856] [2022-02-20 23:46:58,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:46:58,011 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.4074074074074074) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 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 39 [2022-02-20 23:46:58,011 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:46:58,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 28 states, 27 states have (on average 3.4074074074074074) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:46:58,142 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:46:58,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-20 23:46:58,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:46:58,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-20 23:46:58,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=466, Unknown=4, NotChecked=188, Total=756 [2022-02-20 23:46:58,143 INFO L87 Difference]: Start difference. First operand 224 states and 267 transitions. Second operand has 28 states, 27 states have (on average 3.4074074074074074) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:00,994 INFO L93 Difference]: Finished difference Result 785 states and 944 transitions. [2022-02-20 23:47:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-20 23:47:00,994 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.4074074074074074) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 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 39 [2022-02-20 23:47:00,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:47:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 3.4074074074074074) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 609 transitions. [2022-02-20 23:47:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 3.4074074074074074) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 609 transitions. [2022-02-20 23:47:00,999 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 609 transitions. [2022-02-20 23:47:01,402 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 609 edges. 609 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:47:01,422 INFO L225 Difference]: With dead ends: 785 [2022-02-20 23:47:01,422 INFO L226 Difference]: Without dead ends: 785 [2022-02-20 23:47:01,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 67 SyntacticMatches, 8 SemanticMatches, 47 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=407, Invalid=1585, Unknown=4, NotChecked=356, Total=2352 [2022-02-20 23:47:01,422 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 986 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 986 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1684 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-20 23:47:01,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [986 Valid, 1011 Invalid, 3035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1241 Invalid, 0 Unknown, 1684 Unchecked, 0.9s Time] [2022-02-20 23:47:01,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2022-02-20 23:47:01,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 318. [2022-02-20 23:47:01,427 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:47:01,428 INFO L82 GeneralOperation]: Start isEquivalent. First operand 785 states. Second operand has 318 states, 290 states have (on average 1.3793103448275863) internal successors, (400), 317 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:01,428 INFO L74 IsIncluded]: Start isIncluded. First operand 785 states. Second operand has 318 states, 290 states have (on average 1.3793103448275863) internal successors, (400), 317 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:01,428 INFO L87 Difference]: Start difference. First operand 785 states. Second operand has 318 states, 290 states have (on average 1.3793103448275863) internal successors, (400), 317 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:01,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:01,446 INFO L93 Difference]: Finished difference Result 785 states and 944 transitions. [2022-02-20 23:47:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 944 transitions. [2022-02-20 23:47:01,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:01,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:01,447 INFO L74 IsIncluded]: Start isIncluded. First operand has 318 states, 290 states have (on average 1.3793103448275863) internal successors, (400), 317 states have internal predecessors, (400), 0 states have call successors, (0), 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 785 states. [2022-02-20 23:47:01,447 INFO L87 Difference]: Start difference. First operand has 318 states, 290 states have (on average 1.3793103448275863) internal successors, (400), 317 states have internal predecessors, (400), 0 states have call successors, (0), 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 785 states. [2022-02-20 23:47:01,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:01,467 INFO L93 Difference]: Finished difference Result 785 states and 944 transitions. [2022-02-20 23:47:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 944 transitions. [2022-02-20 23:47:01,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:01,467 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:01,467 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:47:01,467 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:47:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 290 states have (on average 1.3793103448275863) internal successors, (400), 317 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 400 transitions. [2022-02-20 23:47:01,471 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 400 transitions. Word has length 39 [2022-02-20 23:47:01,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:47:01,471 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 400 transitions. [2022-02-20 23:47:01,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.4074074074074074) internal successors, (92), 28 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 400 transitions. [2022-02-20 23:47:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-20 23:47:01,472 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:47:01,472 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:47:01,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 23:47:01,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-02-20 23:47:01,672 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr37REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:47:01,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:47:01,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1594589587, now seen corresponding path program 1 times [2022-02-20 23:47:01,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:47:01,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087287763] [2022-02-20 23:47:01,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:47:01,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:47:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:01,874 INFO L290 TraceCheckUtils]: 0: Hoare triple {25000#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(13, 2); {25000#true} is VALID [2022-02-20 23:47:01,875 INFO L290 TraceCheckUtils]: 1: Hoare triple {25000#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {25000#true} is VALID [2022-02-20 23:47:01,875 INFO L290 TraceCheckUtils]: 2: Hoare triple {25000#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {25000#true} is VALID [2022-02-20 23:47:01,875 INFO L290 TraceCheckUtils]: 3: Hoare triple {25000#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {25000#true} is VALID [2022-02-20 23:47:01,875 INFO L290 TraceCheckUtils]: 4: Hoare triple {25000#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {25000#true} is VALID [2022-02-20 23:47:01,875 INFO L290 TraceCheckUtils]: 5: Hoare triple {25000#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {25002#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,876 INFO L290 TraceCheckUtils]: 6: Hoare triple {25002#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,876 INFO L290 TraceCheckUtils]: 7: Hoare triple {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,876 INFO L290 TraceCheckUtils]: 8: Hoare triple {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,877 INFO L290 TraceCheckUtils]: 9: Hoare triple {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,877 INFO L290 TraceCheckUtils]: 10: Hoare triple {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,877 INFO L290 TraceCheckUtils]: 11: Hoare triple {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,878 INFO L290 TraceCheckUtils]: 12: Hoare triple {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,878 INFO L290 TraceCheckUtils]: 13: Hoare triple {25003#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {25004#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_#t~malloc14#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,879 INFO L290 TraceCheckUtils]: 14: Hoare triple {25004#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_#t~malloc14#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {25005#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,880 INFO L290 TraceCheckUtils]: 15: Hoare triple {25005#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {25005#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,880 INFO L290 TraceCheckUtils]: 16: Hoare triple {25005#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {25006#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,881 INFO L290 TraceCheckUtils]: 17: Hoare triple {25006#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {25005#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,881 INFO L290 TraceCheckUtils]: 18: Hoare triple {25005#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {25005#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,882 INFO L290 TraceCheckUtils]: 19: Hoare triple {25005#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {25007#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem16#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,883 INFO L290 TraceCheckUtils]: 20: Hoare triple {25007#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem16#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {25008#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,883 INFO L290 TraceCheckUtils]: 21: Hoare triple {25008#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {25008#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:01,884 INFO L290 TraceCheckUtils]: 22: Hoare triple {25008#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:01,884 INFO L290 TraceCheckUtils]: 23: Hoare triple {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:01,884 INFO L290 TraceCheckUtils]: 24: Hoare triple {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:01,885 INFO L290 TraceCheckUtils]: 25: Hoare triple {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:01,885 INFO L290 TraceCheckUtils]: 26: Hoare triple {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:01,886 INFO L290 TraceCheckUtils]: 27: Hoare triple {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:01,886 INFO L290 TraceCheckUtils]: 28: Hoare triple {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:01,886 INFO L290 TraceCheckUtils]: 29: Hoare triple {25009#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) 8) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:01,887 INFO L290 TraceCheckUtils]: 30: Hoare triple {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:01,887 INFO L290 TraceCheckUtils]: 31: Hoare triple {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:01,888 INFO L290 TraceCheckUtils]: 32: Hoare triple {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} assume main_#t~short25#1; {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:01,888 INFO L290 TraceCheckUtils]: 33: Hoare triple {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:01,888 INFO L290 TraceCheckUtils]: 34: Hoare triple {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:01,889 INFO L290 TraceCheckUtils]: 35: Hoare triple {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} assume main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:01,889 INFO L290 TraceCheckUtils]: 36: Hoare triple {25010#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem27#1.base, main_#t~mem27#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L559 {25011#(and (= |ULTIMATE.start_main_#t~mem27#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem27#1.base|) 8))} is VALID [2022-02-20 23:47:01,890 INFO L290 TraceCheckUtils]: 37: Hoare triple {25011#(and (= |ULTIMATE.start_main_#t~mem27#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_#t~mem27#1.base|) 8))} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem27#1.base, main_#t~mem27#1.offset;havoc main_#t~mem27#1.base, main_#t~mem27#1.offset; {25012#(and (= (select |#length| |ULTIMATE.start_main_~n~0#1.base|) 8) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:01,890 INFO L290 TraceCheckUtils]: 38: Hoare triple {25012#(and (= (select |#length| |ULTIMATE.start_main_~n~0#1.base|) 8) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} assume !(4 + main_~n~0#1.offset <= #length[main_~n~0#1.base] && 0 <= main_~n~0#1.offset); {25001#false} is VALID [2022-02-20 23:47:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:01,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:47:01,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087287763] [2022-02-20 23:47:01,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087287763] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:47:01,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849199960] [2022-02-20 23:47:01,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:47:01,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:47:01,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:47:01,895 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:47:01,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 23:47:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:01,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 49 conjunts are in the unsatisfiable core [2022-02-20 23:47:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:02,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:47:02,170 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:47:02,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-20 23:47:02,178 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 6 treesize of output 5 [2022-02-20 23:47:02,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:47:02,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:47:02,381 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:47:02,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:47:02,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 23:47:02,474 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:47:02,475 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2022-02-20 23:47:02,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-20 23:47:02,766 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 25 treesize of output 13 [2022-02-20 23:47:02,795 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 23:47:02,836 INFO L290 TraceCheckUtils]: 0: Hoare triple {25000#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(13, 2); {25000#true} is VALID [2022-02-20 23:47:02,836 INFO L290 TraceCheckUtils]: 1: Hoare triple {25000#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {25019#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:02,836 INFO L290 TraceCheckUtils]: 2: Hoare triple {25019#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {25019#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:02,837 INFO L290 TraceCheckUtils]: 3: Hoare triple {25019#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {25019#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:02,837 INFO L290 TraceCheckUtils]: 4: Hoare triple {25019#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {25019#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:02,837 INFO L290 TraceCheckUtils]: 5: Hoare triple {25019#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {25032#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,838 INFO L290 TraceCheckUtils]: 6: Hoare triple {25032#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,838 INFO L290 TraceCheckUtils]: 7: Hoare triple {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,839 INFO L290 TraceCheckUtils]: 8: Hoare triple {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,839 INFO L290 TraceCheckUtils]: 9: Hoare triple {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,839 INFO L290 TraceCheckUtils]: 10: Hoare triple {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,840 INFO L290 TraceCheckUtils]: 11: Hoare triple {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,840 INFO L290 TraceCheckUtils]: 12: Hoare triple {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,841 INFO L290 TraceCheckUtils]: 13: Hoare triple {25036#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {25058#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_#t~malloc14#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,842 INFO L290 TraceCheckUtils]: 14: Hoare triple {25058#(and (<= 8 (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_#t~malloc14#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {25062#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,842 INFO L290 TraceCheckUtils]: 15: Hoare triple {25062#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {25062#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,843 INFO L290 TraceCheckUtils]: 16: Hoare triple {25062#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {25069#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,844 INFO L290 TraceCheckUtils]: 17: Hoare triple {25069#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem15#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {25062#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,845 INFO L290 TraceCheckUtils]: 18: Hoare triple {25062#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {25062#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:02,846 INFO L290 TraceCheckUtils]: 19: Hoare triple {25062#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {25079#(and (= |ULTIMATE.start_main_#t~mem16#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,847 INFO L290 TraceCheckUtils]: 20: Hoare triple {25079#(and (= |ULTIMATE.start_main_#t~mem16#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,847 INFO L290 TraceCheckUtils]: 21: Hoare triple {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,848 INFO L290 TraceCheckUtils]: 22: Hoare triple {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,848 INFO L290 TraceCheckUtils]: 23: Hoare triple {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,849 INFO L290 TraceCheckUtils]: 24: Hoare triple {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,849 INFO L290 TraceCheckUtils]: 25: Hoare triple {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,850 INFO L290 TraceCheckUtils]: 26: Hoare triple {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,850 INFO L290 TraceCheckUtils]: 27: Hoare triple {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,850 INFO L290 TraceCheckUtils]: 28: Hoare triple {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} is VALID [2022-02-20 23:47:02,851 INFO L290 TraceCheckUtils]: 29: Hoare triple {25083#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) |ULTIMATE.start_main_~root~0#1.base|)) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:02,852 INFO L290 TraceCheckUtils]: 30: Hoare triple {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:02,852 INFO L290 TraceCheckUtils]: 31: Hoare triple {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:02,852 INFO L290 TraceCheckUtils]: 32: Hoare triple {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} assume main_#t~short25#1; {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:02,853 INFO L290 TraceCheckUtils]: 33: Hoare triple {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:02,853 INFO L290 TraceCheckUtils]: 34: Hoare triple {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:02,854 INFO L290 TraceCheckUtils]: 35: Hoare triple {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} assume main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:02,854 INFO L290 TraceCheckUtils]: 36: Hoare triple {25111#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem27#1.base, main_#t~mem27#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L559 {25133#(and (= |ULTIMATE.start_main_#t~mem27#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem27#1.base|)))} is VALID [2022-02-20 23:47:02,855 INFO L290 TraceCheckUtils]: 37: Hoare triple {25133#(and (= |ULTIMATE.start_main_#t~mem27#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_main_#t~mem27#1.base|)))} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem27#1.base, main_#t~mem27#1.offset;havoc main_#t~mem27#1.base, main_#t~mem27#1.offset; {25137#(and (<= 8 (select |#length| |ULTIMATE.start_main_~n~0#1.base|)) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:02,855 INFO L290 TraceCheckUtils]: 38: Hoare triple {25137#(and (<= 8 (select |#length| |ULTIMATE.start_main_~n~0#1.base|)) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} assume !(4 + main_~n~0#1.offset <= #length[main_~n~0#1.base] && 0 <= main_~n~0#1.offset); {25001#false} is VALID [2022-02-20 23:47:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:02,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:47:03,097 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_697) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_697) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 4) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_698) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|))))) is different from false [2022-02-20 23:47:03,114 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|))) (<= (+ (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_697) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|) 4) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_698) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|))))) (forall ((v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|)))) is different from false [2022-02-20 23:47:03,163 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_696) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695) |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|))) (<= (+ 4 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_696) .cse0 v_ArrVal_697) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|)) (select |c_#length| (select (select (store .cse1 .cse0 v_ArrVal_698) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|))))))) is different from false [2022-02-20 23:47:03,189 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|))) (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_696) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_695) |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697)) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|))) (let ((.cse3 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_695))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~n~0#1.base|) |c_ULTIMATE.start_main_~n~0#1.offset|))) (<= (+ 4 (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_696) .cse2 v_ArrVal_697) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|)) (select |c_#length| (select (select (store .cse3 .cse2 v_ArrVal_698) |c_ULTIMATE.start_main_~root~0#1.base|) |c_ULTIMATE.start_main_~root~0#1.offset|)))))))) is different from false [2022-02-20 23:47:03,238 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:03,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 23:47:03,245 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:03,245 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 50 [2022-02-20 23:47:03,300 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:03,300 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 334 treesize of output 301 [2022-02-20 23:47:03,347 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:03,348 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 950 treesize of output 909 [2022-02-20 23:47:03,359 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 894 treesize of output 878 [2022-02-20 23:47:03,367 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 878 treesize of output 838 [2022-02-20 23:47:03,374 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 838 treesize of output 798 [2022-02-20 23:47:03,387 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:03,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 798 treesize of output 730 [2022-02-20 23:47:09,418 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:09,418 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 1 case distinctions, treesize of input 36 treesize of output 37 [2022-02-20 23:47:09,427 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:09,428 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 1 case distinctions, treesize of input 28 treesize of output 29 [2022-02-20 23:47:09,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:47:09,444 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 26 treesize of output 18 [2022-02-20 23:47:09,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:47:09,451 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 16 treesize of output 8 [2022-02-20 23:47:09,735 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 23:47:09,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-02-20 23:47:09,752 INFO L290 TraceCheckUtils]: 38: Hoare triple {25141#(and (<= (+ |ULTIMATE.start_main_~n~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~n~0#1.base|)) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|))} assume !(4 + main_~n~0#1.offset <= #length[main_~n~0#1.base] && 0 <= main_~n~0#1.offset); {25001#false} is VALID [2022-02-20 23:47:09,753 INFO L290 TraceCheckUtils]: 37: Hoare triple {25145#(and (<= 0 |ULTIMATE.start_main_#t~mem27#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem27#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem27#1.base|)))} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem27#1.base, main_#t~mem27#1.offset;havoc main_#t~mem27#1.base, main_#t~mem27#1.offset; {25141#(and (<= (+ |ULTIMATE.start_main_~n~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~n~0#1.base|)) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|))} is VALID [2022-02-20 23:47:09,753 INFO L290 TraceCheckUtils]: 36: Hoare triple {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} SUMMARY for call main_#t~mem27#1.base, main_#t~mem27#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L559 {25145#(and (<= 0 |ULTIMATE.start_main_#t~mem27#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem27#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem27#1.base|)))} is VALID [2022-02-20 23:47:09,754 INFO L290 TraceCheckUtils]: 35: Hoare triple {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} assume main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:47:09,754 INFO L290 TraceCheckUtils]: 34: Hoare triple {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:47:09,755 INFO L290 TraceCheckUtils]: 33: Hoare triple {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:47:09,755 INFO L290 TraceCheckUtils]: 32: Hoare triple {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} assume main_#t~short25#1; {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:47:09,755 INFO L290 TraceCheckUtils]: 31: Hoare triple {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:47:09,756 INFO L290 TraceCheckUtils]: 30: Hoare triple {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:47:09,763 INFO L290 TraceCheckUtils]: 29: Hoare triple {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {25149#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:47:09,764 INFO L290 TraceCheckUtils]: 28: Hoare triple {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,764 INFO L290 TraceCheckUtils]: 27: Hoare triple {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,764 INFO L290 TraceCheckUtils]: 26: Hoare triple {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,765 INFO L290 TraceCheckUtils]: 25: Hoare triple {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,765 INFO L290 TraceCheckUtils]: 24: Hoare triple {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,766 INFO L290 TraceCheckUtils]: 23: Hoare triple {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,766 INFO L290 TraceCheckUtils]: 22: Hoare triple {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,767 INFO L290 TraceCheckUtils]: 21: Hoare triple {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,768 INFO L290 TraceCheckUtils]: 20: Hoare triple {25199#(and (forall ((v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))) (forall ((v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {25171#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,768 INFO L290 TraceCheckUtils]: 19: Hoare triple {25203#(and (forall ((v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {25199#(and (forall ((v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))) (forall ((v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem16#1.base| v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,769 INFO L290 TraceCheckUtils]: 18: Hoare triple {25203#(and (forall ((v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {25203#(and (forall ((v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))))} is VALID [2022-02-20 23:47:09,770 INFO L290 TraceCheckUtils]: 17: Hoare triple {25210#(and (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 4) (select |#length| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))) (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {25203#(and (forall ((v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))) (forall ((v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ 4 (select (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (select |#length| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))))} is VALID [2022-02-20 23:47:09,771 INFO L290 TraceCheckUtils]: 16: Hoare triple {25214#(and (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 4) (select |#length| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))) (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {25210#(and (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 4) (select |#length| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))) (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem15#1.base| v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,773 INFO L290 TraceCheckUtils]: 15: Hoare triple {25214#(and (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 4) (select |#length| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))) (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {25214#(and (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 4) (select |#length| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))) (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,774 INFO L290 TraceCheckUtils]: 14: Hoare triple {25221#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= 0 |ULTIMATE.start_main_#t~malloc14#1.offset|) (<= (+ |ULTIMATE.start_main_#t~malloc14#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|)) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {25214#(and (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= (+ (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 4) (select |#length| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_698) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)))) (forall ((v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (<= 0 (select (select (store (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_696) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_695) |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) v_ArrVal_697) |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:09,775 INFO L290 TraceCheckUtils]: 13: Hoare triple {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {25221#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= 0 |ULTIMATE.start_main_#t~malloc14#1.offset|) (<= (+ |ULTIMATE.start_main_#t~malloc14#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~malloc14#1.base|)) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc14#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:09,775 INFO L290 TraceCheckUtils]: 12: Hoare triple {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} is VALID [2022-02-20 23:47:09,776 INFO L290 TraceCheckUtils]: 11: Hoare triple {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} is VALID [2022-02-20 23:47:09,777 INFO L290 TraceCheckUtils]: 10: Hoare triple {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} is VALID [2022-02-20 23:47:09,777 INFO L290 TraceCheckUtils]: 9: Hoare triple {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} is VALID [2022-02-20 23:47:09,778 INFO L290 TraceCheckUtils]: 8: Hoare triple {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} assume !main_#t~short7#1; {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} is VALID [2022-02-20 23:47:09,778 INFO L290 TraceCheckUtils]: 7: Hoare triple {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} is VALID [2022-02-20 23:47:09,779 INFO L290 TraceCheckUtils]: 6: Hoare triple {25002#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {25225#(forall ((|v_ULTIMATE.start_main_#t~malloc14#1.base_12| Int)) (or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc14#1.base_12|) 0))))} is VALID [2022-02-20 23:47:09,779 INFO L290 TraceCheckUtils]: 5: Hoare triple {25000#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {25002#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:09,779 INFO L290 TraceCheckUtils]: 4: Hoare triple {25000#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {25000#true} is VALID [2022-02-20 23:47:09,779 INFO L290 TraceCheckUtils]: 3: Hoare triple {25000#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {25000#true} is VALID [2022-02-20 23:47:09,779 INFO L290 TraceCheckUtils]: 2: Hoare triple {25000#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {25000#true} is VALID [2022-02-20 23:47:09,780 INFO L290 TraceCheckUtils]: 1: Hoare triple {25000#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {25000#true} is VALID [2022-02-20 23:47:09,780 INFO L290 TraceCheckUtils]: 0: Hoare triple {25000#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(13, 2); {25000#true} is VALID [2022-02-20 23:47:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:09,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849199960] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:47:09,780 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:47:09,780 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2022-02-20 23:47:09,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906205285] [2022-02-20 23:47:09,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:47:09,781 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 3.3333333333333335) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 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 39 [2022-02-20 23:47:09,781 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:47:09,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 34 states, 33 states have (on average 3.3333333333333335) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:09,877 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:47:09,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-20 23:47:09,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:47:09,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-20 23:47:09,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=748, Unknown=4, NotChecked=236, Total=1122 [2022-02-20 23:47:09,878 INFO L87 Difference]: Start difference. First operand 318 states and 400 transitions. Second operand has 34 states, 33 states have (on average 3.3333333333333335) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:15,063 INFO L93 Difference]: Finished difference Result 918 states and 1099 transitions. [2022-02-20 23:47:15,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-20 23:47:15,063 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 3.3333333333333335) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 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 39 [2022-02-20 23:47:15,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:47:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 3.3333333333333335) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 769 transitions. [2022-02-20 23:47:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 3.3333333333333335) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 769 transitions. [2022-02-20 23:47:15,069 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 44 states and 769 transitions. [2022-02-20 23:47:15,625 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 769 edges. 766 inductive. 0 not inductive. 3 times theorem prover too weak to decide inductivity. [2022-02-20 23:47:15,649 INFO L225 Difference]: With dead ends: 918 [2022-02-20 23:47:15,649 INFO L226 Difference]: Without dead ends: 918 [2022-02-20 23:47:15,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 65 SyntacticMatches, 11 SemanticMatches, 66 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1248 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=761, Invalid=3283, Unknown=4, NotChecked=508, Total=4556 [2022-02-20 23:47:15,650 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 1237 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 3469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1555 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-02-20 23:47:15,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1237 Valid, 1527 Invalid, 3469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1761 Invalid, 0 Unknown, 1555 Unchecked, 1.4s Time] [2022-02-20 23:47:15,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2022-02-20 23:47:15,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 321. [2022-02-20 23:47:15,656 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:47:15,661 INFO L82 GeneralOperation]: Start isEquivalent. First operand 918 states. Second operand has 321 states, 299 states have (on average 1.3678929765886287) internal successors, (409), 320 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:15,661 INFO L74 IsIncluded]: Start isIncluded. First operand 918 states. Second operand has 321 states, 299 states have (on average 1.3678929765886287) internal successors, (409), 320 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:15,661 INFO L87 Difference]: Start difference. First operand 918 states. Second operand has 321 states, 299 states have (on average 1.3678929765886287) internal successors, (409), 320 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:15,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:15,685 INFO L93 Difference]: Finished difference Result 918 states and 1099 transitions. [2022-02-20 23:47:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1099 transitions. [2022-02-20 23:47:15,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:15,686 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:15,687 INFO L74 IsIncluded]: Start isIncluded. First operand has 321 states, 299 states have (on average 1.3678929765886287) internal successors, (409), 320 states have internal predecessors, (409), 0 states have call successors, (0), 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 918 states. [2022-02-20 23:47:15,687 INFO L87 Difference]: Start difference. First operand has 321 states, 299 states have (on average 1.3678929765886287) internal successors, (409), 320 states have internal predecessors, (409), 0 states have call successors, (0), 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 918 states. [2022-02-20 23:47:15,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:15,710 INFO L93 Difference]: Finished difference Result 918 states and 1099 transitions. [2022-02-20 23:47:15,710 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1099 transitions. [2022-02-20 23:47:15,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:15,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:15,711 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:47:15,711 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:47:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 299 states have (on average 1.3678929765886287) internal successors, (409), 320 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 409 transitions. [2022-02-20 23:47:15,715 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 409 transitions. Word has length 39 [2022-02-20 23:47:15,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:47:15,715 INFO L470 AbstractCegarLoop]: Abstraction has 321 states and 409 transitions. [2022-02-20 23:47:15,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 3.3333333333333335) internal successors, (110), 34 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 409 transitions. [2022-02-20 23:47:15,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-20 23:47:15,716 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:47:15,716 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:47:15,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 23:47:15,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-02-20 23:47:15,933 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:47:15,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:47:15,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1594404890, now seen corresponding path program 1 times [2022-02-20 23:47:15,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:47:15,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925761697] [2022-02-20 23:47:15,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:47:15,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:47:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:15,988 INFO L290 TraceCheckUtils]: 0: Hoare triple {28426#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(13, 2); {28426#true} is VALID [2022-02-20 23:47:15,989 INFO L290 TraceCheckUtils]: 1: Hoare triple {28426#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {28426#true} is VALID [2022-02-20 23:47:15,989 INFO L290 TraceCheckUtils]: 2: Hoare triple {28426#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {28426#true} is VALID [2022-02-20 23:47:15,989 INFO L290 TraceCheckUtils]: 3: Hoare triple {28426#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {28426#true} is VALID [2022-02-20 23:47:15,989 INFO L290 TraceCheckUtils]: 4: Hoare triple {28426#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {28426#true} is VALID [2022-02-20 23:47:15,989 INFO L290 TraceCheckUtils]: 5: Hoare triple {28426#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {28426#true} is VALID [2022-02-20 23:47:15,989 INFO L290 TraceCheckUtils]: 6: Hoare triple {28426#true} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {28426#true} is VALID [2022-02-20 23:47:15,990 INFO L290 TraceCheckUtils]: 7: Hoare triple {28426#true} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {28426#true} is VALID [2022-02-20 23:47:15,990 INFO L290 TraceCheckUtils]: 8: Hoare triple {28426#true} assume !main_#t~short7#1; {28426#true} is VALID [2022-02-20 23:47:15,990 INFO L290 TraceCheckUtils]: 9: Hoare triple {28426#true} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {28426#true} is VALID [2022-02-20 23:47:15,990 INFO L290 TraceCheckUtils]: 10: Hoare triple {28426#true} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {28426#true} is VALID [2022-02-20 23:47:15,990 INFO L290 TraceCheckUtils]: 11: Hoare triple {28426#true} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {28426#true} is VALID [2022-02-20 23:47:15,990 INFO L290 TraceCheckUtils]: 12: Hoare triple {28426#true} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {28426#true} is VALID [2022-02-20 23:47:15,990 INFO L290 TraceCheckUtils]: 13: Hoare triple {28426#true} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {28426#true} is VALID [2022-02-20 23:47:15,990 INFO L290 TraceCheckUtils]: 14: Hoare triple {28426#true} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {28426#true} is VALID [2022-02-20 23:47:15,990 INFO L290 TraceCheckUtils]: 15: Hoare triple {28426#true} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {28426#true} is VALID [2022-02-20 23:47:15,991 INFO L290 TraceCheckUtils]: 16: Hoare triple {28426#true} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {28426#true} is VALID [2022-02-20 23:47:15,991 INFO L290 TraceCheckUtils]: 17: Hoare triple {28426#true} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {28426#true} is VALID [2022-02-20 23:47:15,991 INFO L290 TraceCheckUtils]: 18: Hoare triple {28426#true} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {28426#true} is VALID [2022-02-20 23:47:15,991 INFO L290 TraceCheckUtils]: 19: Hoare triple {28426#true} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {28426#true} is VALID [2022-02-20 23:47:15,991 INFO L290 TraceCheckUtils]: 20: Hoare triple {28426#true} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {28426#true} is VALID [2022-02-20 23:47:15,991 INFO L290 TraceCheckUtils]: 21: Hoare triple {28426#true} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {28426#true} is VALID [2022-02-20 23:47:15,991 INFO L290 TraceCheckUtils]: 22: Hoare triple {28426#true} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {28426#true} is VALID [2022-02-20 23:47:15,991 INFO L290 TraceCheckUtils]: 23: Hoare triple {28426#true} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {28426#true} is VALID [2022-02-20 23:47:15,992 INFO L290 TraceCheckUtils]: 24: Hoare triple {28426#true} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {28426#true} is VALID [2022-02-20 23:47:15,992 INFO L290 TraceCheckUtils]: 25: Hoare triple {28426#true} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {28426#true} is VALID [2022-02-20 23:47:15,992 INFO L290 TraceCheckUtils]: 26: Hoare triple {28426#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {28426#true} is VALID [2022-02-20 23:47:15,992 INFO L290 TraceCheckUtils]: 27: Hoare triple {28426#true} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {28426#true} is VALID [2022-02-20 23:47:15,992 INFO L290 TraceCheckUtils]: 28: Hoare triple {28426#true} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {28426#true} is VALID [2022-02-20 23:47:15,992 INFO L290 TraceCheckUtils]: 29: Hoare triple {28426#true} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {28426#true} is VALID [2022-02-20 23:47:15,993 INFO L290 TraceCheckUtils]: 30: Hoare triple {28426#true} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {28428#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem23#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem23#1.offset|))} is VALID [2022-02-20 23:47:15,993 INFO L290 TraceCheckUtils]: 31: Hoare triple {28428#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem23#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem23#1.offset|))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {28429#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not |ULTIMATE.start_main_#t~short25#1|))} is VALID [2022-02-20 23:47:15,993 INFO L290 TraceCheckUtils]: 32: Hoare triple {28429#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not |ULTIMATE.start_main_#t~short25#1|))} assume main_#t~short25#1; {28430#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)))} is VALID [2022-02-20 23:47:15,994 INFO L290 TraceCheckUtils]: 33: Hoare triple {28430#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)))} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {28430#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)))} is VALID [2022-02-20 23:47:15,994 INFO L290 TraceCheckUtils]: 34: Hoare triple {28430#(or (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)))} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {28431#(or (not (= |ULTIMATE.start_main_#t~mem26#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem26#1.base| 0)))} is VALID [2022-02-20 23:47:15,995 INFO L290 TraceCheckUtils]: 35: Hoare triple {28431#(or (not (= |ULTIMATE.start_main_#t~mem26#1.offset| 0)) (not (= |ULTIMATE.start_main_#t~mem26#1.base| 0)))} assume !(main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0);havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {28427#false} is VALID [2022-02-20 23:47:15,995 INFO L290 TraceCheckUtils]: 36: Hoare triple {28427#false} SUMMARY for call main_#t~mem28#1.base, main_#t~mem28#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L561 {28427#false} is VALID [2022-02-20 23:47:15,995 INFO L290 TraceCheckUtils]: 37: Hoare triple {28427#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem28#1.base, main_#t~mem28#1.offset;havoc main_#t~mem28#1.base, main_#t~mem28#1.offset; {28427#false} is VALID [2022-02-20 23:47:15,995 INFO L290 TraceCheckUtils]: 38: Hoare triple {28427#false} assume !(1 == #valid[main_~n~0#1.base]); {28427#false} is VALID [2022-02-20 23:47:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 23:47:15,995 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:47:15,995 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925761697] [2022-02-20 23:47:15,996 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925761697] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:47:15,996 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:47:15,996 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 23:47:15,996 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678586207] [2022-02-20 23:47:15,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:47:15,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 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 39 [2022-02-20 23:47:15,996 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:47:15,997 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,017 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:47:16,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 23:47:16,017 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:47:16,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 23:47:16,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:47:16,018 INFO L87 Difference]: Start difference. First operand 321 states and 409 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:16,372 INFO L93 Difference]: Finished difference Result 321 states and 406 transitions. [2022-02-20 23:47:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:47:16,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 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 39 [2022-02-20 23:47:16,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:47:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 103 transitions. [2022-02-20 23:47:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 103 transitions. [2022-02-20 23:47:16,373 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 103 transitions. [2022-02-20 23:47:16,430 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:47:16,434 INFO L225 Difference]: With dead ends: 321 [2022-02-20 23:47:16,434 INFO L226 Difference]: Without dead ends: 321 [2022-02-20 23:47:16,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:47:16,435 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 12 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:47:16,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 299 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:47:16,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-02-20 23:47:16,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 318. [2022-02-20 23:47:16,438 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:47:16,438 INFO L82 GeneralOperation]: Start isEquivalent. First operand 321 states. Second operand has 318 states, 296 states have (on average 1.3614864864864864) internal successors, (403), 317 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,439 INFO L74 IsIncluded]: Start isIncluded. First operand 321 states. Second operand has 318 states, 296 states have (on average 1.3614864864864864) internal successors, (403), 317 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,439 INFO L87 Difference]: Start difference. First operand 321 states. Second operand has 318 states, 296 states have (on average 1.3614864864864864) internal successors, (403), 317 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:16,442 INFO L93 Difference]: Finished difference Result 321 states and 406 transitions. [2022-02-20 23:47:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 406 transitions. [2022-02-20 23:47:16,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:16,443 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:16,443 INFO L74 IsIncluded]: Start isIncluded. First operand has 318 states, 296 states have (on average 1.3614864864864864) internal successors, (403), 317 states have internal predecessors, (403), 0 states have call successors, (0), 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 321 states. [2022-02-20 23:47:16,444 INFO L87 Difference]: Start difference. First operand has 318 states, 296 states have (on average 1.3614864864864864) internal successors, (403), 317 states have internal predecessors, (403), 0 states have call successors, (0), 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 321 states. [2022-02-20 23:47:16,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:16,447 INFO L93 Difference]: Finished difference Result 321 states and 406 transitions. [2022-02-20 23:47:16,447 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 406 transitions. [2022-02-20 23:47:16,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:16,448 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:16,448 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:47:16,448 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:47:16,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 296 states have (on average 1.3614864864864864) internal successors, (403), 317 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 403 transitions. [2022-02-20 23:47:16,452 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 403 transitions. Word has length 39 [2022-02-20 23:47:16,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:47:16,452 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 403 transitions. [2022-02-20 23:47:16,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 403 transitions. [2022-02-20 23:47:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-20 23:47:16,453 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:47:16,453 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:47:16,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-02-20 23:47:16,453 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:47:16,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:47:16,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1677406060, now seen corresponding path program 1 times [2022-02-20 23:47:16,454 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:47:16,454 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130572803] [2022-02-20 23:47:16,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:47:16,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:47:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:16,665 INFO L290 TraceCheckUtils]: 0: Hoare triple {29721#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(13, 2); {29721#true} is VALID [2022-02-20 23:47:16,665 INFO L290 TraceCheckUtils]: 1: Hoare triple {29721#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {29721#true} is VALID [2022-02-20 23:47:16,665 INFO L290 TraceCheckUtils]: 2: Hoare triple {29721#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {29721#true} is VALID [2022-02-20 23:47:16,665 INFO L290 TraceCheckUtils]: 3: Hoare triple {29721#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {29721#true} is VALID [2022-02-20 23:47:16,665 INFO L290 TraceCheckUtils]: 4: Hoare triple {29721#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {29721#true} is VALID [2022-02-20 23:47:16,666 INFO L290 TraceCheckUtils]: 5: Hoare triple {29721#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {29723#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,666 INFO L290 TraceCheckUtils]: 6: Hoare triple {29723#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {29724#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,667 INFO L290 TraceCheckUtils]: 7: Hoare triple {29724#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem5#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) |ULTIMATE.start_main_#t~mem5#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {29725#(or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) |ULTIMATE.start_main_#t~short7#1|)} is VALID [2022-02-20 23:47:16,667 INFO L290 TraceCheckUtils]: 8: Hoare triple {29725#(or (and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)) |ULTIMATE.start_main_#t~short7#1|)} assume !main_#t~short7#1; {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,668 INFO L290 TraceCheckUtils]: 9: Hoare triple {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,668 INFO L290 TraceCheckUtils]: 10: Hoare triple {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,669 INFO L290 TraceCheckUtils]: 11: Hoare triple {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,670 INFO L290 TraceCheckUtils]: 12: Hoare triple {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,670 INFO L290 TraceCheckUtils]: 13: Hoare triple {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,670 INFO L290 TraceCheckUtils]: 14: Hoare triple {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,671 INFO L290 TraceCheckUtils]: 15: Hoare triple {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,672 INFO L290 TraceCheckUtils]: 16: Hoare triple {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,672 INFO L290 TraceCheckUtils]: 17: Hoare triple {29726#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {29727#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,673 INFO L290 TraceCheckUtils]: 18: Hoare triple {29727#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {29728#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,674 INFO L290 TraceCheckUtils]: 19: Hoare triple {29728#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {29728#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,674 INFO L290 TraceCheckUtils]: 20: Hoare triple {29728#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {29729#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_#t~mem21#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,675 INFO L290 TraceCheckUtils]: 21: Hoare triple {29729#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_#t~mem21#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem21#1.base, main_#t~mem21#1.offset, 4); srcloc: L547-1 {29728#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,676 INFO L290 TraceCheckUtils]: 22: Hoare triple {29728#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {29728#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:16,676 INFO L290 TraceCheckUtils]: 23: Hoare triple {29728#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L548 {29730#(and (not (= |ULTIMATE.start_main_#t~mem22#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:16,677 INFO L290 TraceCheckUtils]: 24: Hoare triple {29730#(and (not (= |ULTIMATE.start_main_#t~mem22#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem22#1.base, 4 + main_#t~mem22#1.offset, 4); srcloc: L548-1 {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:16,677 INFO L290 TraceCheckUtils]: 25: Hoare triple {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:16,678 INFO L290 TraceCheckUtils]: 26: Hoare triple {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:16,678 INFO L290 TraceCheckUtils]: 27: Hoare triple {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:16,678 INFO L290 TraceCheckUtils]: 28: Hoare triple {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:16,679 INFO L290 TraceCheckUtils]: 29: Hoare triple {29731#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {29732#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:16,679 INFO L290 TraceCheckUtils]: 30: Hoare triple {29732#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {29733#(and (= |ULTIMATE.start_main_#t~mem23#1.offset| 0) (= |ULTIMATE.start_main_#t~mem23#1.base| 0))} is VALID [2022-02-20 23:47:16,680 INFO L290 TraceCheckUtils]: 31: Hoare triple {29733#(and (= |ULTIMATE.start_main_#t~mem23#1.offset| 0) (= |ULTIMATE.start_main_#t~mem23#1.base| 0))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {29734#(not |ULTIMATE.start_main_#t~short25#1|)} is VALID [2022-02-20 23:47:16,680 INFO L290 TraceCheckUtils]: 32: Hoare triple {29734#(not |ULTIMATE.start_main_#t~short25#1|)} assume main_#t~short25#1; {29722#false} is VALID [2022-02-20 23:47:16,680 INFO L290 TraceCheckUtils]: 33: Hoare triple {29722#false} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {29722#false} is VALID [2022-02-20 23:47:16,680 INFO L290 TraceCheckUtils]: 34: Hoare triple {29722#false} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {29722#false} is VALID [2022-02-20 23:47:16,680 INFO L290 TraceCheckUtils]: 35: Hoare triple {29722#false} assume main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0;havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {29722#false} is VALID [2022-02-20 23:47:16,680 INFO L290 TraceCheckUtils]: 36: Hoare triple {29722#false} SUMMARY for call main_#t~mem27#1.base, main_#t~mem27#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L559 {29722#false} is VALID [2022-02-20 23:47:16,680 INFO L290 TraceCheckUtils]: 37: Hoare triple {29722#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem27#1.base, main_#t~mem27#1.offset;havoc main_#t~mem27#1.base, main_#t~mem27#1.offset; {29722#false} is VALID [2022-02-20 23:47:16,680 INFO L290 TraceCheckUtils]: 38: Hoare triple {29722#false} assume !(1 == #valid[main_~n~0#1.base]); {29722#false} is VALID [2022-02-20 23:47:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:16,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:47:16,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130572803] [2022-02-20 23:47:16,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130572803] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:47:16,681 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:47:16,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-02-20 23:47:16,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394319621] [2022-02-20 23:47:16,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:47:16,681 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-02-20 23:47:16,682 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:47:16,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:16,710 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:47:16,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-20 23:47:16,711 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:47:16,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-20 23:47:16,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-02-20 23:47:16,711 INFO L87 Difference]: Start difference. First operand 318 states and 403 transitions. Second operand has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:18,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:18,158 INFO L93 Difference]: Finished difference Result 442 states and 541 transitions. [2022-02-20 23:47:18,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-20 23:47:18,158 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-02-20 23:47:18,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:47:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 275 transitions. [2022-02-20 23:47:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:18,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 275 transitions. [2022-02-20 23:47:18,162 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 275 transitions. [2022-02-20 23:47:18,336 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 275 edges. 275 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:47:18,342 INFO L225 Difference]: With dead ends: 442 [2022-02-20 23:47:18,342 INFO L226 Difference]: Without dead ends: 442 [2022-02-20 23:47:18,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2022-02-20 23:47:18,347 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 208 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 23:47:18,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 738 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-20 23:47:18,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-02-20 23:47:18,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 326. [2022-02-20 23:47:18,350 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:47:18,351 INFO L82 GeneralOperation]: Start isEquivalent. First operand 442 states. Second operand has 326 states, 304 states have (on average 1.381578947368421) internal successors, (420), 325 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:18,351 INFO L74 IsIncluded]: Start isIncluded. First operand 442 states. Second operand has 326 states, 304 states have (on average 1.381578947368421) internal successors, (420), 325 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:18,351 INFO L87 Difference]: Start difference. First operand 442 states. Second operand has 326 states, 304 states have (on average 1.381578947368421) internal successors, (420), 325 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:18,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:18,358 INFO L93 Difference]: Finished difference Result 442 states and 541 transitions. [2022-02-20 23:47:18,358 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 541 transitions. [2022-02-20 23:47:18,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:18,358 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:18,359 INFO L74 IsIncluded]: Start isIncluded. First operand has 326 states, 304 states have (on average 1.381578947368421) internal successors, (420), 325 states have internal predecessors, (420), 0 states have call successors, (0), 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 442 states. [2022-02-20 23:47:18,359 INFO L87 Difference]: Start difference. First operand has 326 states, 304 states have (on average 1.381578947368421) internal successors, (420), 325 states have internal predecessors, (420), 0 states have call successors, (0), 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 442 states. [2022-02-20 23:47:18,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:18,366 INFO L93 Difference]: Finished difference Result 442 states and 541 transitions. [2022-02-20 23:47:18,366 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 541 transitions. [2022-02-20 23:47:18,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:18,366 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:18,366 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:47:18,366 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:47:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 304 states have (on average 1.381578947368421) internal successors, (420), 325 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 420 transitions. [2022-02-20 23:47:18,370 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 420 transitions. Word has length 39 [2022-02-20 23:47:18,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:47:18,370 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 420 transitions. [2022-02-20 23:47:18,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 14 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:18,370 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 420 transitions. [2022-02-20 23:47:18,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-20 23:47:18,371 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:47:18,371 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:47:18,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-20 23:47:18,371 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:47:18,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:47:18,371 INFO L85 PathProgramCache]: Analyzing trace with hash 982584715, now seen corresponding path program 1 times [2022-02-20 23:47:18,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:47:18,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119453046] [2022-02-20 23:47:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:47:18,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:47:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:18,534 INFO L290 TraceCheckUtils]: 0: Hoare triple {31416#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(13, 2); {31416#true} is VALID [2022-02-20 23:47:18,534 INFO L290 TraceCheckUtils]: 1: Hoare triple {31416#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {31416#true} is VALID [2022-02-20 23:47:18,534 INFO L290 TraceCheckUtils]: 2: Hoare triple {31416#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {31416#true} is VALID [2022-02-20 23:47:18,535 INFO L290 TraceCheckUtils]: 3: Hoare triple {31416#true} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {31416#true} is VALID [2022-02-20 23:47:18,535 INFO L290 TraceCheckUtils]: 4: Hoare triple {31416#true} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {31416#true} is VALID [2022-02-20 23:47:18,535 INFO L290 TraceCheckUtils]: 5: Hoare triple {31416#true} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {31418#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,535 INFO L290 TraceCheckUtils]: 6: Hoare triple {31418#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,536 INFO L290 TraceCheckUtils]: 7: Hoare triple {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,536 INFO L290 TraceCheckUtils]: 8: Hoare triple {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,536 INFO L290 TraceCheckUtils]: 9: Hoare triple {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,537 INFO L290 TraceCheckUtils]: 10: Hoare triple {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,537 INFO L290 TraceCheckUtils]: 11: Hoare triple {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,538 INFO L290 TraceCheckUtils]: 12: Hoare triple {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,538 INFO L290 TraceCheckUtils]: 13: Hoare triple {31419#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnHeap(8); {31420#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc14#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc14#1.base| 0)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,539 INFO L290 TraceCheckUtils]: 14: Hoare triple {31420#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_#t~malloc14#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc14#1.base| 0)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L541 {31421#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,539 INFO L290 TraceCheckUtils]: 15: Hoare triple {31421#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc14#1.base, main_#t~malloc14#1.offset; {31421#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,540 INFO L290 TraceCheckUtils]: 16: Hoare triple {31421#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L542 {31422#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,541 INFO L290 TraceCheckUtils]: 17: Hoare triple {31422#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem15#1.base|)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem15#1.base, main_#t~mem15#1.offset, 4); srcloc: L542-1 {31421#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,541 INFO L290 TraceCheckUtils]: 18: Hoare triple {31421#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem15#1.base, main_#t~mem15#1.offset; {31421#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,541 INFO L290 TraceCheckUtils]: 19: Hoare triple {31421#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|))) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L543 {31423#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem16#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,542 INFO L290 TraceCheckUtils]: 20: Hoare triple {31423#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem16#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem16#1.base, 4 + main_#t~mem16#1.offset, 4); srcloc: L543-1 {31424#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,543 INFO L290 TraceCheckUtils]: 21: Hoare triple {31424#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem16#1.base, main_#t~mem16#1.offset; {31424#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:18,543 INFO L290 TraceCheckUtils]: 22: Hoare triple {31424#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,543 INFO L290 TraceCheckUtils]: 23: Hoare triple {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,544 INFO L290 TraceCheckUtils]: 24: Hoare triple {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,544 INFO L290 TraceCheckUtils]: 25: Hoare triple {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,544 INFO L290 TraceCheckUtils]: 26: Hoare triple {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,544 INFO L290 TraceCheckUtils]: 27: Hoare triple {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,545 INFO L290 TraceCheckUtils]: 28: Hoare triple {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,545 INFO L290 TraceCheckUtils]: 29: Hoare triple {31425#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) |ULTIMATE.start_main_~root~0#1.offset|) 0))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,545 INFO L290 TraceCheckUtils]: 30: Hoare triple {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,545 INFO L290 TraceCheckUtils]: 31: Hoare triple {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,546 INFO L290 TraceCheckUtils]: 32: Hoare triple {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} assume !main_#t~short25#1; {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,546 INFO L290 TraceCheckUtils]: 33: Hoare triple {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,546 INFO L290 TraceCheckUtils]: 34: Hoare triple {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,546 INFO L290 TraceCheckUtils]: 35: Hoare triple {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} is VALID [2022-02-20 23:47:18,547 INFO L290 TraceCheckUtils]: 36: Hoare triple {31426#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) |ULTIMATE.start_main_~n~0#1.offset|) 0))} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {31427#(not (= |ULTIMATE.start_main_#t~mem26#1.base| 0))} is VALID [2022-02-20 23:47:18,547 INFO L290 TraceCheckUtils]: 37: Hoare triple {31427#(not (= |ULTIMATE.start_main_#t~mem26#1.base| 0))} assume !(main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0);havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {31417#false} is VALID [2022-02-20 23:47:18,547 INFO L290 TraceCheckUtils]: 38: Hoare triple {31417#false} SUMMARY for call main_#t~mem28#1.base, main_#t~mem28#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L561 {31417#false} is VALID [2022-02-20 23:47:18,547 INFO L290 TraceCheckUtils]: 39: Hoare triple {31417#false} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem28#1.base, main_#t~mem28#1.offset;havoc main_#t~mem28#1.base, main_#t~mem28#1.offset; {31417#false} is VALID [2022-02-20 23:47:18,547 INFO L290 TraceCheckUtils]: 40: Hoare triple {31417#false} assume !(1 == #valid[main_~n~0#1.base]); {31417#false} is VALID [2022-02-20 23:47:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:18,548 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:47:18,548 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119453046] [2022-02-20 23:47:18,548 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119453046] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:47:18,548 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:47:18,548 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-20 23:47:18,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121168576] [2022-02-20 23:47:18,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:47:18,548 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-20 23:47:18,548 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:47:18,549 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:18,576 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:47:18,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-20 23:47:18,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:47:18,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-20 23:47:18,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:47:18,577 INFO L87 Difference]: Start difference. First operand 326 states and 420 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:19,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:19,504 INFO L93 Difference]: Finished difference Result 533 states and 657 transitions. [2022-02-20 23:47:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 23:47:19,504 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-20 23:47:19,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:47:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 327 transitions. [2022-02-20 23:47:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:19,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 327 transitions. [2022-02-20 23:47:19,507 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 327 transitions. [2022-02-20 23:47:19,710 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 327 edges. 327 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:47:19,718 INFO L225 Difference]: With dead ends: 533 [2022-02-20 23:47:19,718 INFO L226 Difference]: Without dead ends: 529 [2022-02-20 23:47:19,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2022-02-20 23:47:19,719 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 330 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:47:19,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 529 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-20 23:47:19,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2022-02-20 23:47:19,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 362. [2022-02-20 23:47:19,723 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:47:19,724 INFO L82 GeneralOperation]: Start isEquivalent. First operand 529 states. Second operand has 362 states, 340 states have (on average 1.3676470588235294) internal successors, (465), 361 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:19,724 INFO L74 IsIncluded]: Start isIncluded. First operand 529 states. Second operand has 362 states, 340 states have (on average 1.3676470588235294) internal successors, (465), 361 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:19,724 INFO L87 Difference]: Start difference. First operand 529 states. Second operand has 362 states, 340 states have (on average 1.3676470588235294) internal successors, (465), 361 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:19,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:19,733 INFO L93 Difference]: Finished difference Result 529 states and 653 transitions. [2022-02-20 23:47:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 653 transitions. [2022-02-20 23:47:19,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:19,733 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:19,734 INFO L74 IsIncluded]: Start isIncluded. First operand has 362 states, 340 states have (on average 1.3676470588235294) internal successors, (465), 361 states have internal predecessors, (465), 0 states have call successors, (0), 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 529 states. [2022-02-20 23:47:19,734 INFO L87 Difference]: Start difference. First operand has 362 states, 340 states have (on average 1.3676470588235294) internal successors, (465), 361 states have internal predecessors, (465), 0 states have call successors, (0), 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 529 states. [2022-02-20 23:47:19,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:47:19,743 INFO L93 Difference]: Finished difference Result 529 states and 653 transitions. [2022-02-20 23:47:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 653 transitions. [2022-02-20 23:47:19,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:47:19,743 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:47:19,743 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:47:19,744 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:47:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 340 states have (on average 1.3676470588235294) internal successors, (465), 361 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 465 transitions. [2022-02-20 23:47:19,748 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 465 transitions. Word has length 41 [2022-02-20 23:47:19,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:47:19,748 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 465 transitions. [2022-02-20 23:47:19,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:47:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 465 transitions. [2022-02-20 23:47:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-20 23:47:19,749 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:47:19,749 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:47:19,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-20 23:47:19,749 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr36REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 52 more)] === [2022-02-20 23:47:19,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:47:19,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1454341771, now seen corresponding path program 1 times [2022-02-20 23:47:19,750 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:47:19,750 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875010397] [2022-02-20 23:47:19,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:47:19,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:47:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:19,926 INFO L290 TraceCheckUtils]: 0: Hoare triple {33401#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(13, 2); {33401#true} is VALID [2022-02-20 23:47:19,927 INFO L290 TraceCheckUtils]: 1: Hoare triple {33401#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {33403#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:19,927 INFO L290 TraceCheckUtils]: 2: Hoare triple {33403#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {33403#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:19,927 INFO L290 TraceCheckUtils]: 3: Hoare triple {33403#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {33403#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:19,927 INFO L290 TraceCheckUtils]: 4: Hoare triple {33403#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {33403#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:19,928 INFO L290 TraceCheckUtils]: 5: Hoare triple {33403#(= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {33404#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,928 INFO L290 TraceCheckUtils]: 6: Hoare triple {33404#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,929 INFO L290 TraceCheckUtils]: 7: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,929 INFO L290 TraceCheckUtils]: 8: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,929 INFO L290 TraceCheckUtils]: 9: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,931 INFO L290 TraceCheckUtils]: 10: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,931 INFO L290 TraceCheckUtils]: 11: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,932 INFO L290 TraceCheckUtils]: 12: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,933 INFO L290 TraceCheckUtils]: 13: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,933 INFO L290 TraceCheckUtils]: 14: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,934 INFO L290 TraceCheckUtils]: 15: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,934 INFO L290 TraceCheckUtils]: 16: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,935 INFO L290 TraceCheckUtils]: 17: Hoare triple {33405#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {33406#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,936 INFO L290 TraceCheckUtils]: 18: Hoare triple {33406#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {33407#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,936 INFO L290 TraceCheckUtils]: 19: Hoare triple {33407#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {33407#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,937 INFO L290 TraceCheckUtils]: 20: Hoare triple {33407#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {33408#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,938 INFO L290 TraceCheckUtils]: 21: Hoare triple {33408#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_#t~mem21#1.base| |ULTIMATE.start_main_~n~0#1.base|)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem21#1.base, main_#t~mem21#1.offset, 4); srcloc: L547-1 {33407#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,941 INFO L290 TraceCheckUtils]: 22: Hoare triple {33407#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {33407#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:19,941 INFO L290 TraceCheckUtils]: 23: Hoare triple {33407#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L548 {33409#(and (not (= |ULTIMATE.start_main_#t~mem22#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,942 INFO L290 TraceCheckUtils]: 24: Hoare triple {33409#(and (not (= |ULTIMATE.start_main_#t~mem22#1.base| |ULTIMATE.start_main_~root~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem22#1.base, 4 + main_#t~mem22#1.offset, 4); srcloc: L548-1 {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,942 INFO L290 TraceCheckUtils]: 25: Hoare triple {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,943 INFO L290 TraceCheckUtils]: 26: Hoare triple {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,943 INFO L290 TraceCheckUtils]: 27: Hoare triple {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,943 INFO L290 TraceCheckUtils]: 28: Hoare triple {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,944 INFO L290 TraceCheckUtils]: 29: Hoare triple {33410#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~root~0#1.offset| 0))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,944 INFO L290 TraceCheckUtils]: 30: Hoare triple {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,945 INFO L290 TraceCheckUtils]: 31: Hoare triple {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,945 INFO L290 TraceCheckUtils]: 32: Hoare triple {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} assume !main_#t~short25#1; {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,946 INFO L290 TraceCheckUtils]: 33: Hoare triple {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,946 INFO L290 TraceCheckUtils]: 34: Hoare triple {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,946 INFO L290 TraceCheckUtils]: 35: Hoare triple {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,949 INFO L290 TraceCheckUtils]: 36: Hoare triple {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,950 INFO L290 TraceCheckUtils]: 37: Hoare triple {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} assume !(main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0);havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} is VALID [2022-02-20 23:47:19,950 INFO L290 TraceCheckUtils]: 38: Hoare triple {33411#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~n~0#1.offset| 0))} SUMMARY for call main_#t~mem28#1.base, main_#t~mem28#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L561 {33412#(= (select |#valid| |ULTIMATE.start_main_#t~mem28#1.base|) 1)} is VALID [2022-02-20 23:47:19,950 INFO L290 TraceCheckUtils]: 39: Hoare triple {33412#(= (select |#valid| |ULTIMATE.start_main_#t~mem28#1.base|) 1)} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem28#1.base, main_#t~mem28#1.offset;havoc main_#t~mem28#1.base, main_#t~mem28#1.offset; {33413#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:47:19,951 INFO L290 TraceCheckUtils]: 40: Hoare triple {33413#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !(1 == #valid[main_~n~0#1.base]); {33402#false} is VALID [2022-02-20 23:47:19,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:19,951 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:47:19,951 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875010397] [2022-02-20 23:47:19,951 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875010397] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:47:19,951 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008466612] [2022-02-20 23:47:19,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:47:19,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:47:19,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:47:19,953 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:47:19,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 23:47:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:20,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-20 23:47:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:47:20,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:47:20,263 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:47:20,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 23:47:20,325 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 23:47:20,431 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:47:20,431 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 34 treesize of output 35 [2022-02-20 23:47:20,507 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:47:20,507 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 34 treesize of output 35 [2022-02-20 23:47:21,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 23:47:21,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-02-20 23:47:21,411 INFO L290 TraceCheckUtils]: 0: Hoare triple {33401#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(13, 2); {33401#true} is VALID [2022-02-20 23:47:21,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {33401#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:21,411 INFO L290 TraceCheckUtils]: 2: Hoare triple {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:21,412 INFO L290 TraceCheckUtils]: 3: Hoare triple {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:21,412 INFO L290 TraceCheckUtils]: 4: Hoare triple {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:21,412 INFO L290 TraceCheckUtils]: 5: Hoare triple {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {33433#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,413 INFO L290 TraceCheckUtils]: 6: Hoare triple {33433#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,413 INFO L290 TraceCheckUtils]: 7: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,414 INFO L290 TraceCheckUtils]: 8: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1; {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,414 INFO L290 TraceCheckUtils]: 9: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,414 INFO L290 TraceCheckUtils]: 10: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,415 INFO L290 TraceCheckUtils]: 11: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,415 INFO L290 TraceCheckUtils]: 12: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,416 INFO L290 TraceCheckUtils]: 13: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,416 INFO L290 TraceCheckUtils]: 14: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,416 INFO L290 TraceCheckUtils]: 15: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,417 INFO L290 TraceCheckUtils]: 16: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,418 INFO L290 TraceCheckUtils]: 17: Hoare triple {33437#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {33471#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,418 INFO L290 TraceCheckUtils]: 18: Hoare triple {33471#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~malloc20#1.base|)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {33475#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,419 INFO L290 TraceCheckUtils]: 19: Hoare triple {33475#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {33475#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,419 INFO L290 TraceCheckUtils]: 20: Hoare triple {33475#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {33482#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem21#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,420 INFO L290 TraceCheckUtils]: 21: Hoare triple {33482#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (= |ULTIMATE.start_main_#t~mem21#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem21#1.base, main_#t~mem21#1.offset, 4); srcloc: L547-1 {33475#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,421 INFO L290 TraceCheckUtils]: 22: Hoare triple {33475#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {33475#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} is VALID [2022-02-20 23:47:21,421 INFO L290 TraceCheckUtils]: 23: Hoare triple {33475#(and (= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L548 {33492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,422 INFO L290 TraceCheckUtils]: 24: Hoare triple {33492#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem22#1.base, 4 + main_#t~mem22#1.offset, 4); srcloc: L548-1 {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,422 INFO L290 TraceCheckUtils]: 25: Hoare triple {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,423 INFO L290 TraceCheckUtils]: 26: Hoare triple {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,423 INFO L290 TraceCheckUtils]: 27: Hoare triple {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,424 INFO L290 TraceCheckUtils]: 28: Hoare triple {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,424 INFO L290 TraceCheckUtils]: 29: Hoare triple {33496#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)) |ULTIMATE.start_main_~root~0#1.base|)) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_main_~root~0#1.base|) 1))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {33512#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,425 INFO L290 TraceCheckUtils]: 30: Hoare triple {33512#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,426 INFO L290 TraceCheckUtils]: 31: Hoare triple {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,427 INFO L290 TraceCheckUtils]: 32: Hoare triple {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} assume !main_#t~short25#1; {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,427 INFO L290 TraceCheckUtils]: 33: Hoare triple {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,428 INFO L290 TraceCheckUtils]: 34: Hoare triple {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,429 INFO L290 TraceCheckUtils]: 35: Hoare triple {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,430 INFO L290 TraceCheckUtils]: 36: Hoare triple {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,430 INFO L290 TraceCheckUtils]: 37: Hoare triple {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} assume !(main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0);havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,431 INFO L290 TraceCheckUtils]: 38: Hoare triple {33516#(and (exists ((|ULTIMATE.start_main_~root~0#1.offset| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4))) 1) (<= |ULTIMATE.start_main_~root~0#1.offset| 0) (not (= |ULTIMATE.start_main_~n~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~root~0#1.offset| 4)))) (<= |ULTIMATE.start_main_~n~0#1.offset| |ULTIMATE.start_main_~root~0#1.offset|))) (<= 0 |ULTIMATE.start_main_~n~0#1.offset|) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} SUMMARY for call main_#t~mem28#1.base, main_#t~mem28#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L561 {33541#(and (exists ((|ULTIMATE.start_main_~n~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem28#1.base|)))) (= (select |#valid| |ULTIMATE.start_main_#t~mem28#1.base|) 1))} is VALID [2022-02-20 23:47:21,432 INFO L290 TraceCheckUtils]: 39: Hoare triple {33541#(and (exists ((|ULTIMATE.start_main_~n~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1) (not (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_#t~mem28#1.base|)))) (= (select |#valid| |ULTIMATE.start_main_#t~mem28#1.base|) 1))} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem28#1.base, main_#t~mem28#1.offset;havoc main_#t~mem28#1.base, main_#t~mem28#1.offset; {33545#(and (exists ((|v_ULTIMATE.start_main_~n~0#1.base_86| Int)) (and (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_86|)) (= (select |#valid| |v_ULTIMATE.start_main_~n~0#1.base_86|) 1))) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} is VALID [2022-02-20 23:47:21,432 INFO L290 TraceCheckUtils]: 40: Hoare triple {33545#(and (exists ((|v_ULTIMATE.start_main_~n~0#1.base_86| Int)) (and (not (= |ULTIMATE.start_main_~n~0#1.base| |v_ULTIMATE.start_main_~n~0#1.base_86|)) (= (select |#valid| |v_ULTIMATE.start_main_~n~0#1.base_86|) 1))) (= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1))} assume !(1 == #valid[main_~n~0#1.base]); {33402#false} is VALID [2022-02-20 23:47:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:21,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:47:22,383 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:22,383 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 46 treesize of output 37 [2022-02-20 23:47:22,410 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:22,410 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 170 treesize of output 149 [2022-02-20 23:47:22,431 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 23:47:22,432 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 130 treesize of output 122 [2022-02-20 23:47:22,447 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 110 treesize of output 102 [2022-02-20 23:47:28,481 INFO L356 Elim1Store]: treesize reduction 5, result has 93.8 percent of original size [2022-02-20 23:47:28,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 84 treesize of output 149 [2022-02-20 23:47:29,297 INFO L290 TraceCheckUtils]: 40: Hoare triple {33413#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} assume !(1 == #valid[main_~n~0#1.base]); {33402#false} is VALID [2022-02-20 23:47:29,298 INFO L290 TraceCheckUtils]: 39: Hoare triple {33412#(= (select |#valid| |ULTIMATE.start_main_#t~mem28#1.base|) 1)} main_~n~0#1.base, main_~n~0#1.offset := main_#t~mem28#1.base, main_#t~mem28#1.offset;havoc main_#t~mem28#1.base, main_#t~mem28#1.offset; {33413#(= (select |#valid| |ULTIMATE.start_main_~n~0#1.base|) 1)} is VALID [2022-02-20 23:47:29,298 INFO L290 TraceCheckUtils]: 38: Hoare triple {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem28#1.base, main_#t~mem28#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L561 {33412#(= (select |#valid| |ULTIMATE.start_main_#t~mem28#1.base|) 1)} is VALID [2022-02-20 23:47:29,298 INFO L290 TraceCheckUtils]: 37: Hoare triple {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} assume !(main_#t~mem26#1.base != 0 || main_#t~mem26#1.offset != 0);havoc main_#t~mem26#1.base, main_#t~mem26#1.offset; {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:47:29,299 INFO L290 TraceCheckUtils]: 36: Hoare triple {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem26#1.base, main_#t~mem26#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558 {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:47:29,299 INFO L290 TraceCheckUtils]: 35: Hoare triple {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} assume !!main_#t~short25#1;havoc main_#t~mem23#1.base, main_#t~mem23#1.offset;havoc main_#t~mem24#1.base, main_#t~mem24#1.offset;havoc main_#t~short25#1;main_~pred~0#1.base, main_~pred~0#1.offset := main_~n~0#1.base, main_~n~0#1.offset; {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:47:29,299 INFO L290 TraceCheckUtils]: 34: Hoare triple {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} main_#t~short25#1 := main_#t~mem24#1.base != 0 || main_#t~mem24#1.offset != 0; {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:47:29,299 INFO L290 TraceCheckUtils]: 33: Hoare triple {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} SUMMARY for call main_#t~mem24#1.base, main_#t~mem24#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L556-4 {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:47:29,300 INFO L290 TraceCheckUtils]: 32: Hoare triple {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} assume !main_#t~short25#1; {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:47:29,300 INFO L290 TraceCheckUtils]: 31: Hoare triple {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} main_#t~short25#1 := main_#t~mem23#1.base != 0 || main_#t~mem23#1.offset != 0; {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:47:29,300 INFO L290 TraceCheckUtils]: 30: Hoare triple {33580#(or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_main_~n~0#1.offset|)))} SUMMARY for call main_#t~mem23#1.base, main_#t~mem23#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L558-3 {33555#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:47:29,301 INFO L290 TraceCheckUtils]: 29: Hoare triple {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} assume !!(main_~root~0#1.base != 0 || main_~root~0#1.offset != 0);main_~pred~0#1.base, main_~pred~0#1.offset := 0, 0;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {33580#(or (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_main_~n~0#1.offset|)))} is VALID [2022-02-20 23:47:29,302 INFO L290 TraceCheckUtils]: 28: Hoare triple {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} main_~n~0#1.base, main_~n~0#1.offset := 0, 0;havoc main_~pred~0#1.base, main_~pred~0#1.offset; {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:29,302 INFO L290 TraceCheckUtils]: 27: Hoare triple {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:29,302 INFO L290 TraceCheckUtils]: 26: Hoare triple {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:29,303 INFO L290 TraceCheckUtils]: 25: Hoare triple {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} havoc main_#t~mem22#1.base, main_#t~mem22#1.offset; {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:29,304 INFO L290 TraceCheckUtils]: 24: Hoare triple {33600#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_873 (Array Int Int))) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base| v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem22#1.base, 4 + main_#t~mem22#1.offset, 4); srcloc: L548-1 {33584#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int)) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:29,304 INFO L290 TraceCheckUtils]: 23: Hoare triple {33604#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_873 (Array Int Int))) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L548 {33600#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_873 (Array Int Int))) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base| v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:29,305 INFO L290 TraceCheckUtils]: 22: Hoare triple {33604#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_873 (Array Int Int))) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} havoc main_#t~mem21#1.base, main_#t~mem21#1.offset; {33604#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_873 (Array Int Int))) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:29,306 INFO L290 TraceCheckUtils]: 21: Hoare triple {33611#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_872 (Array Int Int)) (v_ArrVal_873 (Array Int Int))) (or (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_872) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_872) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, main_#t~mem21#1.base, main_#t~mem21#1.offset, 4); srcloc: L547-1 {33604#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_873 (Array Int Int))) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:29,307 INFO L290 TraceCheckUtils]: 20: Hoare triple {33615#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_872 (Array Int Int)) (v_ArrVal_873 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|)) (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_872) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_872) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1)))} SUMMARY for call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L547 {33611#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_872 (Array Int Int)) (v_ArrVal_873 (Array Int Int))) (or (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_872) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem21#1.base| v_ArrVal_872) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1) (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|))))} is VALID [2022-02-20 23:47:29,307 INFO L290 TraceCheckUtils]: 19: Hoare triple {33615#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_872 (Array Int Int)) (v_ArrVal_873 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|)) (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_872) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_872) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1)))} havoc main_#t~malloc20#1.base, main_#t~malloc20#1.offset; {33615#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_872 (Array Int Int)) (v_ArrVal_873 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|)) (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_872) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_872) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1)))} is VALID [2022-02-20 23:47:29,309 INFO L290 TraceCheckUtils]: 18: Hoare triple {33622#(and (or (forall ((v_arrayElimCell_72 Int)) (= (select |#valid| v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (forall ((v_arrayElimCell_76 Int)) (= (select |#valid| v_arrayElimCell_76) 1)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1)) (or (forall ((v_arrayElimCell_75 Int)) (or (and (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= v_arrayElimCell_75 |ULTIMATE.start_main_~root~0#1.base|)) (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|))) (= 1 (select |#valid| v_arrayElimCell_75)))) (not (= |ULTIMATE.start_main_#t~malloc20#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (forall ((v_arrayElimCell_76 Int)) (= (select |#valid| v_arrayElimCell_76) 1)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} SUMMARY for call write~$Pointer$(main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L546 {33615#(forall ((|v_ULTIMATE.start_main_~n~0#1.offset_69| Int) (v_ArrVal_872 (Array Int Int)) (v_ArrVal_873 (Array Int Int))) (or (not (<= 0 |v_ULTIMATE.start_main_~n~0#1.offset_69|)) (not (<= |v_ULTIMATE.start_main_~n~0#1.offset_69| |ULTIMATE.start_main_~root~0#1.offset|)) (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_872) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_872) |ULTIMATE.start_main_~n~0#1.base|) (+ |ULTIMATE.start_main_~n~0#1.offset| 4)) v_ArrVal_873) |ULTIMATE.start_main_~root~0#1.base|) (+ |v_ULTIMATE.start_main_~n~0#1.offset_69| 4))) 1)))} is VALID [2022-02-20 23:47:29,310 INFO L290 TraceCheckUtils]: 17: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} assume main_#t~short19#1;havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;havoc main_#t~nondet18#1;havoc main_#t~short19#1;call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnHeap(8); {33622#(and (or (forall ((v_arrayElimCell_72 Int)) (= (select |#valid| v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (forall ((v_arrayElimCell_76 Int)) (= (select |#valid| v_arrayElimCell_76) 1)) (= (select |#valid| |ULTIMATE.start_main_#t~malloc20#1.base|) 1)) (or (forall ((v_arrayElimCell_75 Int)) (or (and (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= v_arrayElimCell_75 |ULTIMATE.start_main_~root~0#1.base|)) (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|))) (= 1 (select |#valid| v_arrayElimCell_75)))) (not (= |ULTIMATE.start_main_#t~malloc20#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (forall ((v_arrayElimCell_76 Int)) (= (select |#valid| v_arrayElimCell_76) 1)) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:47:29,312 INFO L290 TraceCheckUtils]: 16: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,313 INFO L290 TraceCheckUtils]: 15: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} main_#t~short19#1 := main_#t~mem17#1.base == 0 && main_#t~mem17#1.offset == 0; {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,315 INFO L290 TraceCheckUtils]: 14: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} SUMMARY for call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~n~0#1.base, 4 + main_~n~0#1.offset, 4); srcloc: L540-5 {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,316 INFO L290 TraceCheckUtils]: 13: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} assume !main_#t~short13#1;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~nondet12#1;havoc main_#t~short13#1; {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,318 INFO L290 TraceCheckUtils]: 12: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} assume main_#t~short13#1;assume -2147483648 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 2147483647;main_#t~short13#1 := 0 != main_#t~nondet12#1; {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,319 INFO L290 TraceCheckUtils]: 11: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} main_#t~short13#1 := main_#t~mem11#1.base == 0 && main_#t~mem11#1.offset == 0; {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,321 INFO L290 TraceCheckUtils]: 10: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} SUMMARY for call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L534-8 {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,322 INFO L290 TraceCheckUtils]: 9: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} assume !main_#t~short7#1;havoc main_#t~mem5#1.base, main_#t~mem5#1.offset;havoc main_#t~mem6#1.base, main_#t~mem6#1.offset;havoc main_#t~short7#1; {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,323 INFO L290 TraceCheckUtils]: 8: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} assume !main_#t~short7#1; {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,325 INFO L290 TraceCheckUtils]: 7: Hoare triple {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} main_#t~short7#1 := main_#t~mem5#1.base != 0 || main_#t~mem5#1.offset != 0; {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,326 INFO L290 TraceCheckUtils]: 6: Hoare triple {33660#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} SUMMARY for call main_#t~mem5#1.base, main_#t~mem5#1.offset := read~$Pointer$(main_~n~0#1.base, main_~n~0#1.offset, 4); srcloc: L535-2 {33626#(forall ((|v_ULTIMATE.start_main_#t~malloc20#1.base_10| Int)) (or (and (or (forall ((v_arrayElimCell_72 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_72) 1)) (and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)))) (or (not (= |v_ULTIMATE.start_main_#t~malloc20#1.base_10| |ULTIMATE.start_main_~root~0#1.base|)) (forall ((v_arrayElimCell_75 Int)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_75) 1)))) (or (forall ((v_arrayElimCell_76 Int)) (= (select (store |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10| 1) v_arrayElimCell_76) 1)) (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_main_#t~malloc20#1.base_10|) 0))))} is VALID [2022-02-20 23:47:29,326 INFO L290 TraceCheckUtils]: 5: Hoare triple {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume !!(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~n~0#1.base, main_~n~0#1.offset := main_~root~0#1.base, main_~root~0#1.offset; {33660#(and (or (<= |ULTIMATE.start_main_~n~0#1.offset| 0) (< |ULTIMATE.start_main_~root~0#1.offset| 0)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (<= |ULTIMATE.start_main_~root~0#1.offset| |ULTIMATE.start_main_~n~0#1.offset|)) (or (< |ULTIMATE.start_main_~root~0#1.offset| 0) (= |ULTIMATE.start_main_~n~0#1.base| |ULTIMATE.start_main_~root~0#1.base|)))} is VALID [2022-02-20 23:47:29,326 INFO L290 TraceCheckUtils]: 4: Hoare triple {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} assume -2147483648 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 2147483647; {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:29,327 INFO L290 TraceCheckUtils]: 3: Hoare triple {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, 4 + main_~root~0#1.offset, 4); srcloc: L530-1 {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:29,327 INFO L290 TraceCheckUtils]: 2: Hoare triple {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, main_~root~0#1.base, main_~root~0#1.offset, 4); srcloc: L530 {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:29,327 INFO L290 TraceCheckUtils]: 1: Hoare triple {33401#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet8#1, main_#t~mem9#1.base, main_#t~mem9#1.offset, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem5#1.base, main_#t~mem5#1.offset, main_#t~mem6#1.base, main_#t~mem6#1.offset, main_#t~short7#1, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~nondet12#1, main_#t~short13#1, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~nondet18#1, main_#t~short19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~nondet4#1, main_#t~mem26#1.base, main_#t~mem26#1.offset, main_#t~mem27#1.base, main_#t~mem27#1.offset, main_#t~mem28#1.base, main_#t~mem28#1.offset, main_#t~mem23#1.base, main_#t~mem23#1.offset, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_#t~short25#1, main_#t~mem29#1.base, main_#t~mem29#1.offset, main_~root~0#1.base, main_~root~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset, main_~pred~0#1.base, main_~pred~0#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~root~0#1.base, main_~root~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_~n~0#1.base, main_~n~0#1.offset; {33420#(<= |ULTIMATE.start_main_~root~0#1.offset| 0)} is VALID [2022-02-20 23:47:29,327 INFO L290 TraceCheckUtils]: 0: Hoare triple {33401#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(13, 2); {33401#true} is VALID [2022-02-20 23:47:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:47:29,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008466612] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:47:29,328 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:47:29,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 14] total 34 [2022-02-20 23:47:29,328 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453830692] [2022-02-20 23:47:29,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:47:29,329 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 3.3823529411764706) internal successors, (115), 35 states have internal predecessors, (115), 0 states have call successors, (0), 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 41 [2022-02-20 23:47:29,329 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:47:29,329 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 35 states, 34 states have (on average 3.3823529411764706) internal successors, (115), 35 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)